Bought used 5 months ago. Spark Plug (1 pc) - Replaces 1110-400-7005. 1 Fuel hose. Rinse repeat, x2 or 3 times had enough quit for the day. 1117-350-5800 DOP17250ST023 Stihl 023 Tank Vent No. How to make / hack a gas tank vent line for a chainsaw. includes: 5pcs aftermarket tank vent as pictured replaces oem#: 0000 350 5800 fits the following stihl models: 024 026 034 036 044 046 088 ms231 ms251 ms241 ms260 ms261 ms270 ms280 ms271 ms291 ms311 ms391 ms360 ms361 ms362 ms380 ms440 ms441 ms460 ms461 ms661 ms880 bg45 bg46 bg55 bg65 bg85 bg56 bg86 br200. Chain Saw Parts & Accessories - stihl Chain Saw Parts & Accessories HUSQVARNA continued Part # HU357 • Gas Cap • Fits models 234, 238, 365 chainsaws • 371K, 3120K, 375K cut-off saws Chain Saw Parts & Accessories STIHL continued Part # 6000517 • Cylinder Assembly • Fits models 017, MS170. Cylinder MS 310. Unanswered Stihl product questions & open problems. The tank vent cap. 72 psi) Fuel: see owner's manual 3. I had replaced the tank vent, fuel filter, checked the fuel lines, etc. 100% brand new and high quality. As for the vent, I am intrigued about this. I started by cleaning fuel filter, removing and cleaning carb, put a new carb kit in to make sure diaphragm pump was working well, clean. Step 4 of 5: Filling up with fuel. Stihl 026 won't start bad fuel cap Neighborhood go 2 guy. Primer Bulb PZ04. Includes: tank, handle cover moulding 1140 791 0600, trigger 1140 182 1000, safety 1138 182 0800, throttle link 1140 182 1500, tank vent 0000 350 5800, and fuel lines 1140 358 7704, 1140 350 2700, 4224 122 3900. However, when the sensor itself causes a problem, P0452 or a P0453 set for the fuel tank pressure reads low or high respectively. Most fuel line issues are there hot or cold, some only present with the tank less than completely full. Replaced vent tube and rod in tank. 99 Sold Out! stihl ms290, ms310 chainsaw tank vent and hose. item: fuel line and weighted filter brand: fuel line is original oem stihl pn# 1121 358 7705, fuel filter replaces oem pn: replaces oem 1121-358-7700 fuel line, 0000 350 3504 fuel filter model fit: stihl 024 and 026 stihl 024 early model prior to serial # x37167498. Stihl Original Fuel Line FS40 Fs50 FS56 HT56 KM56 FC56 FC70 FS70. Stihl Tank Vent : Stihl 5-2 AutoCut Head Trimmer : Tank Vent. Rinse repeat, x2 or 3 times had enough quit for the day. The serial number is located on the label on the bottom of the engine. Posts: 7,323. STIHL HT 100, 101, 130, 131 WARNING Read Instruction Manual thoroughly before use and follow all safety precautions – improper use can cause serious or fatal injury. 1 Fuel hose. Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Stihl BG Handle. Runs great. Stihl have also included a key feature in the carburetor that ensures a consistent air / fuel ratio mixture. Then the fuel line for the clunk gets to be really short. Slowly and carefully fill the tank with the fuel mix, taking care not to spill any. Tank Vent. includes: 5pcs aftermarket tank vent as pictured replaces oem#: 0000 350 5800 fits the following stihl models: 024 026 034 036 044 046 088 ms231 ms251 ms241 ms260 ms261 ms270 ms280 ms271 ms291 ms311 ms391 ms360 ms361 ms362 ms380 ms440 ms441 ms460 ms461 ms661 ms880 bg45 bg46 bg55 bg65 bg85 bg56 bg86 br200. Click to expand Good work, exactly the problem with my 039. 1117 350 5800 TreeStuff - Stihl Compatible Fuel Tank Vent Hose with Inserts Stihl inserts 1120 358 8105 at DuckDuckGo. Search Fixya Sounds like a faulty fuel tank vent, creating a vacuum lock. Engine 29 7. Like Stihl's other handheld equipment, Stihl trimmers are easy to maintain because they use two-cycle motors (or the 2/4 hybrid 4-MIX motors) that take a 50:1 gas/oil mix. Once I started to get into the bigger wood the saw was. Stihl BR 600 Backpack Blower (BR 600) Parts Diagram, Fuel tank Look at the diagram and find parts that fit a Stihl BR 600 Backpack Blower, or refer to the list below. both air and fuel filters fresh out of packages. F Pressure test fuel line to 0. Check the cap and clean it or replace. Then disconnect the fuel filler hose and the fuel pump wiring harness. Prices, promotions, styles, and availability may vary. MS 210, 230 and 250 chainsaws is The manual lists all special almost identical, the descriptions servicing tools currently available and servicing procedures in thus from STIHL. 1 Spark plug. If anything went wrong with your Stihl chainsaw or trimmer, but finding the right Stihl parts to repair or tune up your equipment makes a problem, you've come to the right place. Of course Stihl has no online look up to reference but did find a look up provided by an on line sales store [possibly unreliable] and it shows a retro Stihl style tank vent. Push the smaller fuel supply line into the tank far enough so that the fuel filter will lay on the bottom of the tank. Not sure about cost. Specifications: *Material: Rubber. Fuel Filter Tank Vent Line Hose Cylinder Muffler Gasket For Stihl 028 Chainsaw. Prices, promotions, styles, and availability may vary. Buy genuine OEM and aftermarket fuel system parts for Ferris zero-turn mowers, stand-on mowers, and walk-behind lawn mowers. Then the fuel line for the clunk gets to be really short. stihl fuel line and fuel filter , replaces stihl part # 1119-353-7701, to fit the following chain saws, 028, 028wb, 028super, 028av, 034, 034 super, 036, 036pro, 038, 038av, 038 super, 038 magnum our price: $11. Then perform a vacuum test to verify that the tank vent is allowing air into the tank. I removed the carburetor, clean it and it will start again. One side of the fuel tank vent valve is connected to the charcoal canister and the other to a vent hose. Air Filter (1. 8 Fuel Pickup Body and Fuel Hose Top: 1 = Grub screw 2 = Vent hose Bottom: Correct positions of grub screws a = Removing tank vent approx. It has been mild today, but if you are using fresh fuel it will be winter grade and therefore vaporise much too readily. STIHL offers a patented fuel filling system. The tube (Stihl p/n 1117 350 5800, approx. 1 Tank vent. If the compression is low, you will have this and other problems. Pressure test fuel lines to 0. My problem is my chainsaw, Stihl MS181C, wont start. 5 Fuel hose (MS 200 T) Version with multi-part tank vent system 112 14. Thanks for the information Grumpy. This check valve or the fuel tank vent is connected to the fuel tank in the following products: hedge trimmer, leaf blower/vacuum, chainsaw, edger, engine, tiler, auger, water pump, chipper shredder, sprayer, and brush cutter. 015 in) Spark plug (resistor type): Bosch WSR 6F NGK BPMR 7A. Perhaps it is just the filler neck leaking, the pipe between gas cap and tank. Maintains stability for up to. Stihl Strongway Ultra-Tow Vestil Wacker Neuson WARN Western Global Fuel Tank Vent Kit — Fits Model FCP250 FuelCube with Gas, Model# KIT-VENT-FCP1000 (Not Yet. OK I finally figured out the problem with this saw. However, when the sensor itself causes a problem, P0452 or a P0453 set for the fuel tank pressure reads low or high respectively. The vent line only has to hang in the tank about a 1/2 inch. i use Stihl oil keep it Maintained run it hard every time. Fix low power problems with a simple valve How to clean, adjust, and fix common carburetor problems on a Stihl FS90 trimmer weedeater We have been using several Stihl FS90R trimmers for years now. 12: To Basket: 10. Here's an 026 with a newer-type tank top, with a small vent that fits underneath. Fuel Tank Vent Line Fits Stihl 021 023 025 028 029 038 039 048 MS290 MS310 MS390 042 AV, P 835, P 840 OEM 1117-350-5800, Everest Parts Brand 4. My Stihl Weed Trimmer Is Dying at Full Throttle. This is another reason I replaced the part on the end of the fuel line but, it did not fix the problem. part # 1121 350 5800 Condition: good used, working condition Fits: Stihl 034, 024, 026, 036 AV View $3. BTW, I said the wrong thing in the previous post, the vent is there to relieve suction, not over pressure! Must have been past my bed time. However for gasoline engines I tend to like to use the felt lined clunk. MOVED: Stihl 028 Gas Tank Vent Started by Tom on Sawmills and Milling. Rosko420 Feb 27, 2020. So I started searching and to my surprise GM wants you to buy an entire new fuel tank for this little broken valve I did however find a universal vent valve made by Doorman part# 911-001. 4 out of 5 stars 49 $8. STIHL gas-powered edgers, trimmer/brushcutters, pole pruners and KombiMotors Hazard: The gasoline tank vent can become dislodged due to incorrect factory installation and cause fuel to leak, posing a fire hazard. Check Fuel System by Removing Fuel Filter and Pressuring Carburetor; Pressure Test Fuel Tank & Tank Vent; Pressure Test & Vacuum Test Engine; Tech Check is Stihl's recommended procedure for diagnosing any engine problems on Stihl gas powered units. This is similar to the Stihl 1117 350. 1*Fuel tank vent. The main purposes of a fuel tank are to securely store and deliver enough fuel to get a job done and to make sure that the fuel stays clean. Checking to see if its dirty or damaged an be done at home, as can replacing a worn out gas tank with a new one. Then sat in my barn 4 months. both air and fuel filters fresh out of packages. Vent in the Fuel Cap is plugged - If the vents in the fuel caps are clogged the fuel becomes vacuum locked. Stabilizer works by decreasing the rate of compound evaporation from gasoline. The chainsaw fuel lines that carry fuel from the tank to the carburetor can clog, crimp or crack over time. 1 Fuel tank vent. Find many great new & used options and get the best deals for Genuine STIHL Tank Vent (Viton) FS90 FS110 FS130 HL100 HT101 00003505807 OEM at the best online prices at eBay! Free shipping for many products!. A poorly venting tank can cause running behavior such as engine stalling when hot, poor acceleration, or loss of power when hot. The fuel lines need to be sealed at the tank and the carburetor. Once I started to get into the bigger wood the saw was. 7 Tank Vent 11. On most Stihl's, the cap is not vented but the fuel tank itself is. Ensure cracks in intake fuel line in tank aren't sucking in air, preventing fuel from getting to carburetor. I started by cleaning fuel filter, removing and cleaning carb, put a new carb kit in to make sure diaphragm pump was working well, clean. They have a vent in those also to let the fuel pump, and if its damaged it won't work right either. Stihl MS 391 Service Workshop Manual to service and repair the 391 chainsaw. Once I started to get into the bigger wood the saw was. 1 Fuel hose. I thought the same, its a little plastic tube of the top of the fuel tank, about 3 inches long with something stuck down the end of it about 2 1/2 inches out from the tank. Replaced vent tube and rod in tank. If the chainsaw won’t start, clear clogs and check the fuel lines for cracks or crimps. What happens when a tank vent gets clogged on a W123. He told me that there was a tech bulletin put out faulting the carb on this. Small leaks that produce a fuel odor will also eventually grow into larger leaks, which will cause more serious issues. In order to breathe, your tank must have a vent somewhere that will relieve both vacuum and pressure. If not, remove the fuel tank cap and repeat the test. Jump to Latest Follow You're barking up the wrong tree worrying about the surge tankit's just the tank vent, and unless an engine runs a few minutes and stalls, the tank is venting. Hello, I'm working on my Stihl TS 510 AV concrete saw. offers a full line of gas tank accessories including, fuel necks, Chevy gas caps, Ford gas caps, push-through gas caps, fuel transfer hoses, fuel pickup tubes, rollover vent valves, cork and rubber gaskets, grommets, weld-in fittings, split ring mounting plates, block off plates, recessed fuel bowls, fuel senders, switchover valves, mounting straps, T-bolts. item 2 NEW Genuine STIHL Tank Vent (Viton) FS90 FS110 FS130 HL100 HT101 00003505807 OEM - NEW Genuine STIHL Tank Vent (Viton) FS90 FS110 FS130 HL100 HT101. Simply click one of the product groups to start the search. Fuel Tank Vent Line Fits Stihl 021 023 025 028 029 038 039 048 MS290 MS310 MS390 042 AV, P 835, P 840 OEM 1117-350-5800, Everest Parts Brand 4. This is a quality aftermarket tank vent that replaces stihl chainsaw part numbers 11173505800 and 1117 350 5800. Release slowly… fuel inside tank is bubbling! Saw cranks promptly dies. stihl 028 crankshaft seals, clutch & flywheel side. He is using Stihl tubing. If that one has a fuel shut off valve off the tank, take that apart also to check for it being plugged up and working correctly or not. Air Filter (1. The part number for this tank vent is: 1117 350 5800. Somewhere between the gas tank and the atmosphere there is a tube whose function is to vent the tank so that when fuel is consumed, air is pulled through this tube into the tank to prevent a vacuum from forming. Carburetor. 1*Fuel line. Stihl MS 391 Service Workshop Manual to service and repair the 391 chainsaw. The thin line is your fuel feed while the thick one is your fuel return/breather. Mine went bad after 5 years and did the same thing. They have a vent in those also to let the fuel pump, and if its damaged it won't work right either. 1 Tank vent. Fuel Filter Tank Vent Line Hose Cylinder Muffler Gasket For Stihl 028 Chainsaw. Push the larger vent line about an inch into the tank. Diagram Stihl Carburetor 034 On Chainsaw The gas tank in a stihl chain saw is surrounded by other parts rotate the twist lock retaining screw on the carburetor box cover counterclockwise by hand lift the box to gain access to The homelite 330 chain saw is a medium duty saw designed for the homelite 330 features a 2 cycle engine with a walbro carburetor after the saw carburetor has been removed. I suspect a possible air leak, since the problem starts after the saw warms up, you may a crack somewhere or a gasket that isn't fitting as well as it should anymore. 6 psi) Function of tank vent at gauge pressure: (±) 0. It is a good practice to always pressure test an empty tank to be sure it has no leaks. Online version - not for reprint Illustration 3 Ref. We had several farmers come in complaining no hot start. 72 psi) Fuel: see owner’s manual 3. 0000 350 5804 Suitable for the following Stihl Machines: KM 90, KM 90 R, FS 130, FS 130 R, FS 56, FS 56 C, FS 56 R, FS 56 RC, FS 87, FS 87 R, HT 100, HT 101, KM 130, KM 130 R, FC 70 C, FS 70 C, FS 70 RC, FC. Tank vent Genuine Stihl Part OEM Part No. turnover, fuel spillage and damage to the unit. tank vent system 109 14. Ethanol free fuel 91 octane 35:1 stihl hp ultra. Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. It’s not a bad idea to try to seek out 100% gasoline; there are websites that can help with this. Stihl state any problems with the fuel supply & you should check the fuel tank vent first which is in the filler cap. Find our best fitting fuel tank vent valves for your vehicle and enjoy free next day delivery or same day pickup at a store near you!. feels good in ur hand starts third pull every time. 1*Cylinder gasket. 095 so that's no problem. If the chainsaw won’t start, clear clogs and check the fuel lines for cracks or crimps. 69 US pt (0. In more extreme cases, the bore inside the pump may wear out. *Fitment: For Stihl 028 *Color: As Pictures Show. The tank vents are known to have problems from sitting on a rack in a position other than upright. The HS45 has a separate fuel tank port for the vent and the fuel uptake lines. Re: Stihl FS55 starting but not running [ Re: flaminghansom ] #728476 09/25/12 03:44 PM 09/25/12 03:44 PM. ) When you have the cowl off to get to the air filter, look for a spot to spray the starting fluid into the air cleaner. Check the cap and clean it or replace. Rinse repeat, x2 or 3 times had enough quit for the day. The fuel line filter or the fuel tank pick up could be blocked. 5 Cam Gear 33 7. 1 Tank vent. Any dirt in the fuel tank will quickly block the fuel intake. I know Stihl has a terrible rep for starting issues especially on a hot day but I’ve found the reason (for me anyway) on the 4 mix kombi’s If you are having the same prob which I know at least a few are by what’s written on here then you will kick yourself for how simple it is We have two 4 mix kombi’s and never had starting issues. For a smaller tank the clunk will barely fit inside the tank. There is a tank vent attached via a line to a check valve near the air filter. Ethanol free fuel 91 octane 35:1 stihl hp ultra. 1*Fuel hose. com; Call our Customer Service number: 1-800-GO-STIHL; Email us via Contact Us. 1*Fuel line. Fuel Tank Vent Fit Stihl 021 023 025 MS250 028 029 MS290 038 048 Chainsaws Parts. It only runs for a few minutes and then acts like it has run out of fuel. Hello, I have a Stihl MS290 that is about 5 months old, and it started to spew fuel from the gas cap at times when the motor is reved. 25cc, lightweight 2-cycle engine for ease of use. This can happen because the fuel tank vent allows air into the fuel tank as the fuel level drops. STIHL MM55 CARBURETOR 4601-120-0600 - To understand the problem with the MM55 carburetor was a simple as taking it apart. fuel lines, and you can get a sound idea if the carburetor is in good shape simply by pressurizing the fuel line. edit: make sure the choke is closing. F Reinstall tank vent; vacuum test tank; vent should allow vacuum to bleed off ; Pressure test vent with 0. Reduces emissions up to 70% compared to previous models. It is also designed to vent excess heated gases to keep the right amount of pressure, which allows the fuel to be pumped into the carburetor via the fuel line. 0 views per day, 811 days on eBay. 1*Fuel tank vent. My Stihl Weed Trimmer Is Dying at Full Throttle. part # 1121 350 5800 Condition: good used, working condition Fits: Stihl 034, 024, 026, 036 AV View $3. I was doing a lot of rigging so saw wasn't seeing sustained use for most of the operation. Fuel coming through Stihl air filter. Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. I have noticed when I remove the carburetor a stream of gas shoots out of line to tank about 2 foot , seems like a lots of. 63-72 C10 Bed Fill EFI Tank With Aeromotive Stealth 340 In-Tank pump Regular price $686. If fuel only comes out when you remove the tank cap, you have a blocked fuel tank vent. Turns out that the STIHL MM55 CARBURETOR 4601-120-0600 is not designed in a way that lends to be able to completely remove unwanted fuel. Likely got stuck open due to something that got past the fuel filter (if there even is one) and jammed the valve open. Fuel Tank Vent Line Fit For Stihl 021 023 025 028 029 039 038 048 1117 350 5800. Stihl 4 mix engine conversion with carb issues Hi all, Its been a while since I have actually logged in here but I have an interesting project and an interesting problem too. 1 Answer Were can I get a free SERVICE manual for a TS 400. If there is a pressure issue in the tank, you can crack the cap before you try to start the saw warm, and see if that eliminates the problem -- it's a simple test. Test fuel tank and tank vent. The test for this - Open the cap enough to ensure air flow but enough to prevent fuel splashing out. Interestingly whilst contacting Stihl for a price on a new primer base block, which has the valves for fuel flow whilst priming, they said it should not cause running issues unless the bulb is split and causes an air leak. 2020 popular Stihl Fuel Tank trends in Tools, Tool Parts, Automobiles & Motorcycles, Fuel Tanks with Stihl Fuel Tank and Stihl Fuel Tank. STIHL MotoMix® STIHL MotoMix is a premixed 50:1 fuel mixture, created with premium high-octane gasoline and STIHL HP Ultra Oil. F Impulse signal present. Stihl 026 tank vent missing? Discussion in 'Chainsaws' started by livemusic, Aug 5, 2019. Of course Stihl has no online look up to reference but did find a look up provided by an on line sales store [possibly unreliable] and it shows a retro Stihl style tank vent. Package Contents: 1*Muffler gasket. Complete Original Stihl 5-2 Trimmer /Mowing Head TYPE D. Hissing from fuel cap vent hmmmm, attempt to remove cap and sprays fuel at me. Did you open the air vent switch on the fuel cap before starting? Air must be able to get back into the gas tank to replace the gasoline running out of the tank through the fuel line as the engine runs. There seems to be a problem serving the request at this time. So we tried to get some terrific stihl 029 super parts diagram graphic for your. Stabilizer works by decreasing the rate of compound evaporation from gasoline. Not sure about cost. I have replaced several carbs on my various Stihl equipment with aftermarket carbs, and have always had good success. Stihl Fan Wheel BG50: Stihl Air Box: Stihl Fan Wheel BG50. When the gas inside your Stihl chain saw fuel tank heats up it creates pressure inside the tank. If the engine has a fuel pump, you should not have to prefill lines/filters. 1 Fuel hose. I've owned it a few years, but having trouble keeping it running now. The problem is the fuel line from the tank to the carb. 5 Cam Gear 33 STIHL BR 500, 550, 600 STIHL. Page 4: Safety Precautions Warning! Do not smoke or bring any fire, flame or other source of heat near the fuel. Take care when opening the can as pressure may have built up inside. I don't know about this particular modelwhich type of vent it has, but some have a cent in the gas cap that will stop venting. Your gas tank needs to breath in, to allow air to displace the gas pumped out and when the gas contracts during cooling, and out, because the volume in the tank inceases (1) whenn you fill it, (2) when the gas warms up in the sun, and (3) when the fuel is agitated as you drive (agitated fluid takes up. 5 Fuel hose (MS 200 T) Version with multi-part tank vent system 112 14. I suspect the fuel vent is to blame. Air Filter (1. Fuel coming through Stihl air filter. 3 bar (5 psi). 1 Spark plug. You need to check your fuel line, and replace the fuel filter, and completely go through your carb, you will find the passage under the needle partially clogged, and the screen full of crud from the deteriorated fuel filter. The duckbill valve ensures there is always neutral or positive pressure in the fuel tank. 12: To Basket: 10. 3 Ignition System Air gap between ignition module and fanwheel: 0. NEW OEM STIHL FUEL GAS TANK VENT 021 025 028 029 038 039 042 048 AV MS290 MS390. Buy Chainsaw Fuel Tanks and get the best deals at the lowest prices on eBay! Fuel Tank Fits STIHL 020T, MS200, MS200T, 1129 350 0806 New Type Post 2005. 1 Compression Pressure 29 7. Package Contents: 1*Muffler gasket. My problem is my chainsaw, Stihl MS181C, wont start. Fuel stabilizers will not reconstitute stale fuel. After many problems removed the plastic parts and modified it. It also has advanced air filtration system so effective, your air filter stays cleaner, longer for reduced maintenance and reliable performance. 2 Fuel System Carburetor leakage test at gauge pressure: 0. Made of high quality material, durable and practical to use. Hi, I have a problem with my Stihl MS 180, I am very fond of this little saw but it has stopped oiling the bar, when I take the bar and chain off and run the saw there is oil coming through but only very slowly, and when I put the bar and chain back on and run the saw for a while there is no oil on the bar at all and the oil tank is still full (I'm using stihl bio oil) - I have checked all the. 325 l) MS361 Ignition System. Appears to be starved for fuel. 3 bar (5 psi). product description. 5 mm OD, 3 mm ID) slips over a nipple, and is clearly intended to be a "breather" or vent tube leading through the floor of the carburetor compartment down to the gas tank immediately below. Sounds like the vented cap is restricted, causing a vacuum inside the tank and not allowing fuel to flow freely to carb. One of the first symptoms of possible issue with fuel injection lines is a fuel odor coming from the vehicle. Description: Stihl Chainsaw Parts Diagram | Wiring Diagram And Fuse Box Diagram inside Stihl 029 Super Parts Diagram, image size 1017 X 732 px, and to view image details please click the image. When you replace those fuel lines, check the condition of the rubber grommets. A quick way to check the tank venting is to temporarily open the fuel tank filler fitting. Stihl is recalling 140,000 gas-powered edgers, trimmer/brushcutters, pole pruners and KombiMotors because of a problem with the gas tank vents. H and H Lawncare Equipment is ready to provide you with a large selection of Stihl parts online that will ensure maximum performance, reliability and long life for. Diesel Tank Sealer and Gas Tank Sealer. I had replaced the tank vent, fuel filter, checked the fuel lines, etc. Stihl 026 won't start bad fuel cap Neighborhood go 2 guy. The check valve allows air into the fuel tank to prevent vacuum when the fuel is being fed through the fuel line. Added fresh mix a month ago and it started fine. Fuel Tank Vent Fit Stihl 021 023 025 MS250 028 029 MS290 038 048 Chainsaws Parts. When replacing the thin line, it connects to the filter inside the tank. In good used shape Fits Stihl MS-. Stihl Problem I have a older Stihl 290 Farm Boss LOL It has cut wood for years with no problems You should consider a saw that old as replacing all fuel/vent lines as preventative maintenance Good luck BEAR 05-05-2019, 04:45 PM #9. STIHL offers a patented fuel filling system. F Pressure test fuel line to 0. I don't know about this particular modelwhich type of vent it has, but some have a cent in the gas cap that will stop venting. The unattached end shows one set screw at the end, and there's another set screw within the tube. If the saw is working hard the fuel will heat up and, along with the vibrations it will vaporise, causing the pressure build up. For a smaller tank the clunk will barely fit inside the tank. nearly always first pull hot or cold, but eventually. The fuel outlet with the felt filter on the end goes to the bottom connection of the carb and the other tube goes from the top connection of the carb, back into the fuel tank. Step 4 of 5: Filling up with fuel. Turns out that the STIHL MM55 CARBURETOR 4601-120-0600 is not designed in a way that lends to be able to completely remove unwanted fuel. The products are gray and orange with "STIHL" on the engine cover. ) When you have the cowl off to get to the air filter, look for a spot to spray the starting fluid into the air cleaner. If there are cracks in the line you'll see em. Buy genuine OEM and aftermarket fuel system parts for Ferris zero-turn mowers, stand-on mowers, and walk-behind lawn mowers. Solid and durable, long service life. Diagram Stihl Carburetor 034 On Chainsaw The gas tank in a stihl chain saw is surrounded by other parts rotate the twist lock retaining screw on the carburetor box cover counterclockwise by hand lift the box to gain access to The homelite 330 chain saw is a medium duty saw designed for the homelite 330 features a 2 cycle engine with a walbro carburetor after the saw carburetor has been removed. 63-72 C10 Bed Fill EFI Tank With Aeromotive Stealth 340 In-Tank pump Regular price $686. Stihl Fan Wheel BG50: Stihl Air Box: Stihl Fan Wheel BG50. Stop the engine and close the fuel cap vent. Hissing from fuel cap vent hmmmm, attempt to remove cap and sprays fuel at me. STIHL offers a patented fuel filling system. It is a good practice to always pressure test an empty tank to be sure it has no leaks. Is fuel geysering a new problem? Reports of fuel geysers and injuries from fuel geysers involving tractors have been recorded since Can you vent a fuel tank or fuel cap? The same fuel cap works for the Stihl MS660 chain saws. Buy online, pick up in-store in 30 minutes. 325 l) MS361 Ignition System. Rinse repeat, x2 or 3 times had enough quit for the day. My problem is my chainsaw, Stihl MS181C, wont start. If not, tank vent is faulty. View Stihl BR 600 Backpack Blower (BR 600) Parts Diagram , Fuel tank to easily locate and buy the spares that fit this machine. Find many great new & used options and get the best deals for Genuine STIHL Tank Vent (Viton) FS90 FS110 FS130 HL100 HT101 00003505807 OEM at the best online prices at eBay! Free shipping for many products!. The tanks have to vent to allow for the expansion of the fuel and the ingress of air - if no air can get in you'd get a vacuum forming inside the tank and no fuel would gravity feed to carbs/injection system after a few kms. Take care when opening the can as pressure may have built up inside. This isn't my video but is exactly what happened to me yesterday. try a little starting fluid, if it starts and dies its a fuel problem, usually the filter or a broken line in the tank. SFS receivers for Husqvarna chain saws are also available (models: Husqvarna 372 XP, 550XP, 562XP and 572XP). Buy online, pick up in-store in 30 minutes. Fuel Cap Oil Cap For Stihl Chainsaw MS180 MS170 018 017 Engine Replacement Parts OEM #1130 350 0500 MFPower CNC Fuel Tank Vent Cap Petrol. i use Stihl oil keep it Maintained run it hard every time. With this system you run the feed line to the carb inlet line (fuel log) and on the other side of the fuel log is the inlet of the regulator. Then sat in my barn 4 months. The tank vents are known to have problems from sitting on a rack in a position other than upright. product description. Funny part is, if its a vent I would have thought I could have blown through it, I certainly can't, from either end. Common overlooked fault that can cause this condition is a plugged vent in your fuel cap. They have a vent in those also to let the fuel pump, and if its damaged it won't work right either. He told me that there was a tech bulletin put out faulting the carb on this. So there is typically a vent hole of some type in the cap. Cracked Fuel Tank Support Bracket - 1996 BMW F650. The test for this - Open the cap enough to ensure air flow but enough to prevent fuel splashing out. Fuel Tank Venting. Perhaps it is just the filler neck leaking, the pipe between gas cap and tank. It's underneath the carb, it's like a black cap roughly the size of a 5c piece with holes in the top. I presumed it was a one piece cap but breaks down into eight separate parts. Solid and durable, long service life. Chainsaw Maintenance Tune-up Kit Air Filter For Stihl 009 010 011 012 Chainsaw. Get outdoors for some landscaping or spruce up your garden! Shop a huge online selection at eBay. 12: To Basket: 10. My problem is my chainsaw, Stihl MS181C, wont start. Stihl Strongway Ultra-Tow Vestil Wacker Neuson WARN Western Global Fuel Tank Vent Kit — Fits Model FCP250 FuelCube with Gas, Model# KIT-VENT-FCP1000 (Not Yet. Air Filter (1. Stihl 029 fuel tank vent question. Your gas tank needs to breath in, to allow air to displace the gas pumped out and when the gas contracts during cooling, and out, because the volume in the tank inceases (1) whenn you fill it, (2) when the gas warms up in the sun, and (3) when the fuel is agitated as you drive (agitated fluid takes up. Fuel Line Essentials: Picking Out a Fuel Tank Vent Valve That Fits Size matters Making the choice Fuel Line Essentials: Picking Out a Fuel Tank Vent Valve That Fits Pressure-in the right levels-is absolutely essential to the proper functioning of our vehicle's fuel tank and its lines. It was the first tank of fuel through the saw. 1*Cylinder gasket. 2pcs/Set Fuel&Oil Cap Kit For Stihl MS181 MS260 MS381 MS440 Tank Cover. 62 Fuel Gas Tank Vent Duck Bill For Stihl 017 018 019T MS170C MS180C MS190T MS191T. Test fuel tank and tank vent. Replacing Fuel Lines in a String Trimmer. I would need the serial number to verify the exact configuration but I believe the D110 fuel tank is suspended on pivots with a spring. When the gas inside your Stihl chain saw fuel tank heats up it creates pressure inside the tank. 6 Fuel Hoses/ Pickup Body 28 6. This check valve or the fuel tank vent is connected to the fuel tank in the following products: hedge trimmer, leaf blower/vacuum, chainsaw, edger, engine, tiler, auger, water pump, chipper shredder, sprayer, and brush cutter. 95 Coming Soon. A poorly venting tank can cause running behavior such as engine stalling when hot, poor acceleration, or loss of power when hot. All parts that fit a MS 310 Chainsaw. includes: 1pc aftermarket tank vent as pictured replaces oem#: 0000 350 5800 fits the following stihl models: 024 026 034 036 044 046 088 ms231 ms251 ms241 ms260 ms261 ms270 ms280 ms271 ms291 ms311 ms391 ms360 ms361 ms362 ms380 ms440 ms441 ms460 ms461 ms661 ms880 bg45 bg46 bg55 bg65 bg85 bg56 bg86 br200. Gas tank has small crack in it so most gas leaks out over a day. 1*Fuel hose. Your tank has to breathe. Simply tap the AutoCut® head to feed the double nylon line. The toolless fuel caps subject to this recall can be distinguished from a newly designed cap which corrects this problem by a molded identifier mark located on the lever of the cap and also by a letter molded on the underside of the cap. Looking at the saw from the carb side, on the left hand side there is a small bit of tubing fitted vertically with a screw inside it. Lance came up in his 1954 Cessna 180 with the update cross over fuel system earlier in the week. Fuel Filter Tank Vent Line Hose Cylinder Muffler Gasket For Stihl 028 Chainsaw. Get fast shipping and low prices from Power Mower Sales! Can't see the specific part you're looking for? Try searching with a part number or model number using our interactive parts lookup. Rinse repeat, x2 or 3 times had enough quit for the day. 72 psi) Fuel: see owner’s manual 3. Does anyone know if there is a vent or check valve somewhere in the line? Stihl KM110 power head with pole saw, shaft extension, power scythe, curved. 4 out of 5 stars 49 $8. Fuel Tank Vent Line Fits Stihl 021 023 025 028 029 038 039 048 MS290 MS310 MS390 042 AV, P 835, P 840 OEM 1117-350-5800, Everest Parts Brand 4. 7 Flywheel 35 7. Release slowly… fuel inside tank is bubbling! Saw cranks promptly dies. Find all the parts you need for your Stihl Chainsaw 028 at RepairClinic. stihl 026 early model prior to serial # x376453619. UK Fuel Oil Tank Vent Plug Fit Stihl MS180 018 MS170 017 Chainsaw 0747-313-6810. i'm a gold certified stihl technician, i recommend you take it to a stihl dealer and have them repair it. Check the cap and clean it or replace. it could be dirt in the fuel tank that has got into the carb did you clean it out before fitting the new carb I have a blower that was doing similar. Stihl Fan Wheel BG50: Stihl Air Box: Stihl Fan Wheel BG50. Took a close look at it today and saw a metal fitting screwed into the end of the flexible hose. Got home cranked back up and runs fine. It is a good practice to always pressure test an empty tank to be sure it has no leaks. I started out by removing the old valve by cutting the ring with a razor knife, it is actually really easy to cut. Somewhere between the gas tank and the atmosphere there is a tube whose function is to vent the tank so that when fuel is consumed, air is pulled through this tube into the tank to prevent a vacuum from forming. Carburetor: All position diaphragm carburetor with integral fuel pump Carburetor leakage test at gauge pressure: 0. The Fuel Tank Vent is connected to the Fuel Vent Tube. Stihl MS 310 Chainsaw (MS310) Parts Diagram Select a page from the Stihl MS 310 Chainsaw diagram to view the parts list and exploded view diagram. Up For Sale Is One New GENUINE OEM STIHL Fuel Tank Vent Used On The Folowing STIHL Chain Saw And Pump Models NOTE: The MS 290, MS 310 & MS 390 model chainsaws used 2 totally different style fuel tank vents depending on the date of manufacture! eBay. It probably won't let fuel run through unless you unhook the fuel line inside the tank being a vacuum set up. Fuel Tank Vent Line Fit For Stihl 021 023 025 028 029 039 038 048 1117 350 5800. 8 Fuel Pickup Body and Fuel Hose Top: 1 = Grub screw 2 = Vent hose Bottom: Correct positions of grub screws a = Removing tank vent approx. It's kind of an odd problem because it will bog on the top end most of the time but sometimes it runs just fine. BTW, I said the wrong thing in the previous post, the vent is there to relieve suction, not over pressure! Must have been past my bed time. Small leaks will cause the vehicle to emit fuel vapors which may cause a noticeable odor. Repairing a Stihl 024 (or 026) with Huztl parts The original fuel tank breather (it lets air into the tank as fuel is drawn out) on this saw was the tower type which extends up alongside the air filter, but only works with the old type small air filters. Many fuel tanks are designed to use a vented gas cap to prevent a vacuum or pressure from forming in the fuel system. The fuel tank on the 210 holds 1 pint. these are easy to install and remove. ) When you have the cowl off to get to the air filter, look for a spot to spray the starting fluid into the air cleaner. Find Fuel Tank Vent Valves and get Free Shipping on Orders Over $99 at Summit Racing!. A plastic gas tank can weigh less than half of a comparable metal gas tank and it is easy to mold into shapes to fit odd configurations. Perform necessary repairs and re. Your tank has to breathe. Small leaks will cause the vehicle to emit fuel vapors which may cause a noticeable odor. Then perform a vacuum test to verify that the tank vent is allowing air into the tank. The fuel tank valve is a 2 way valve to allow air into the tank so the fuel can get out and prevent the tank over pressureising. My problem is my chainsaw, Stihl MS181C, wont start. If no fuel comes out when the hose is lower than the tank, you have a blockage in the hose either inside or outside the tank. If the tank can't vent this added pressure, fuel will stop flowing from the tank to the carburetor due to an imbalance in the atmospheric pressure and the tank pressure. Thinking that a vent maybe stopped up because the fuel tank seems to be collapsing and sucks a lot of air in when the cap is taken off. If the Stihl chainsaw stalls after cutting, it is likely from problems in the carburetor, which will require an adjustment. Stihl Tank Vent : Stihl 5-2 AutoCut Head Trimmer : Stihl Original Fuel Line FS40 Fs50 FS56 HT56 KM56 FC56 FC70 FS70. Stihl Tank Vent: This is for a brand new replacment Stihl tank vent. I have noticed when I remove the carburetor a stream of gas shoots out of line to tank about 2 foot , seems like a lots of. 1*Fuel line. Remedy: Repair Consumers should immediately stop using the recalled products and return them to an authorized STIHL dealer for a free inspection and repair. Description: Stihl Chainsaw Parts Diagram | Wiring Diagram And Fuse Box Diagram inside Stihl 029 Super Parts Diagram, image size 1017 X 732 px, and to view image details please click the image. Fuel gas tank housing assembly 1140 350 0804. Then sat in my barn 4 months. Bought used 5 months ago. Likely got stuck open due to something that got past the fuel filter (if there even is one) and jammed the valve open. 7 Tank Vent 11. Any dirt in the fuel tank will quickly block the fuel intake. Another solution involves insulating the fuel pump with specialty blankets designed to keep the temperature cool, reducing the risk of overheating. UK Fuel Oil Tank Vent Plug Fit Stihl MS180 018 MS170 017 Chainsaw 0747-313-6810. 1*Fuel line. They have a vent in those also to let the fuel pump, and if its damaged it won't work right either. 1 Tank vent. , fuel tank, jerry can, fuel bottle) is superheated (the fuel is heated above the boiling point, but does not boil because it is under pressure) and is quickly depressurized. item 2 NEW Genuine STIHL Tank Vent (Viton) FS90 FS110 FS130 HL100 HT101 00003505807 OEM - NEW Genuine STIHL Tank Vent (Viton) FS90 FS110 FS130 HL100 HT101. I mean if it is something else causing pressure to build up in the fuel tank no new cap would solve the problem. The Dolmar part # 965452370 is difficult to find. Hello, I'm working on my Stihl TS 510 AV concrete saw. Find many great new & used options and get the best deals for Genuine STIHL Tank Vent (Viton) FS90 FS110 FS130 HL100 HT101 00003505807 OEM at the best online prices at eBay! Free shipping for many products!. Mine went bad after 5 years and did the same thing. My problem is my chainsaw, Stihl MS181C, wont start. 100% brand new and high quality. There seems to be a problem serving the request at this time. Over time fuel hoses can wear out and break down, and leak. 1 Compression Pressure 29 7. Browse our daily deals for even more savings! Free shipping on many items!. Order: 10 Pieces. 1 out of 5 stars 84 £3. Test fuel tank and tank vent. *Fitment: For Stihl 028 *Color: As Pictures Show. 3 bar (5 psi). Disconnect the fuel lines from the fuel pump. 1*Fuel hose. My problem is my chainsaw, Stihl MS181C, wont start. includes: 5pcs aftermarket tank vent as pictured replaces oem#: 0000 350 5800 fits the following stihl models: 024 026 034 036 044 046 088 ms231 ms251 ms241 ms260 ms261 ms270 ms280 ms271 ms291 ms311 ms391 ms360 ms361 ms362 ms380 ms440 ms441 ms460 ms461 ms661 ms880 bg45 bg46 bg55 bg65 bg85 bg56 bg86 br200. The tank vent lets air IN to the tank to replace used fuel. Fuel Tank Vent Line-For STIHL 021 023 025 MS250 028 029 MS290 048 038 Chainsaw. 1 Spark plug. tank vent system 109 14. As Stihl's website notes, the 026 is able to hold 460 cc or approximately 15. If the saw is working hard the fuel will heat up and, along with the vibrations it will vaporise, causing the pressure build up. item: fuel line and weighted filter brand: fuel line is original oem stihl pn# 1121 358 7705, fuel filter replaces oem pn: replaces oem 1121-358-7700 fuel line, 0000 350 3504 fuel filter model fit: stihl 024 and 026 stihl 024 early model prior to serial # x37167498. One of the first symptoms of possible issue with fuel injection lines is a fuel odor coming from the vehicle. The hose from tank with strainer on it would go to the carburetor and a second hose , return, goes back to the tank. As for the vent, I am intrigued about this. 6%, Location: China, Ships to: Worldwide, Item: 264050647086 10pcs For Stihl Fuel Oil Tank Vent Plug MS180 018 MS170 017 0747-313-6810 Condition: Brand New, Type: Fuel Oil Tank Vent Plug, Brand: Unbranded, Bundle Listing: Yes, Model: Fitment, Manufacturer Part Number: Does not apply, Country/Region of. Stihl BR550 fuel tank vent. The fuel tank valve is a 2 way valve to allow air into the tank so the fuel can get out and prevent the tank over pressureising. UK Fuel Oil Tank Vent Plug Fit Stihl MS180 018 MS170 017 Chainsaw 0747-313-6810. For the carburetor to work, these pressures must be equal. 2 Fuel System Carburetor leakage test at gauge pressure: 0. STIHL 029, 039 11. Did you open the air vent switch on the fuel cap before starting? Air must be able to get back into the gas tank to replace the gasoline running out of the tank through the fuel line as the engine runs. I don't know about this particular modelwhich type of vent it has, but some have a cent in the gas cap that will stop venting. Two of these go to the carburetor, and one goes to a vent. Then perform a vacuum test to verify that the tank vent is allowing air into the tank. Trimmer Maintenance. If no fuel comes out when the hose is lower than the tank, you have a blockage in the hose either inside or outside the tank. Fuel line diagram craftsman chainsaw questions answers with sears craftsman chainsaw fuel line replacement 2 stroke engine how to replace chainsaw fuel lines repair guide fuel line diagram craftsman chainsaw questions answers with sears craftsman chainsaw fuel line replacement 2 stroke engine. *2 holes fuel gas tank grommet replacement for Stihl Honda Trimmer Lawn Mower *2-hole designs, universally fit for trimmers brush cutters, blowers and more *Made of black rubber *Durable and practical to use *Fits Husqvarna Honda Homelite and other many 2-hole models *100% Brand New and High Quality. My problem is my chainsaw, Stihl MS181C, wont start. ? My saw is several years old and this spring when I fired it up it did so with ease as usual. Got home cranked back up and runs fine. Rds Fuel Tank Vent Youtube Rds Fuel Tank Vent Leaking Rds Fuel Tank Vent Yield Rds Fuel Tank Vent Valve bejotok Truck Mud Flaps April 14th, 2020 - 06:03:48 Mud flaps or splash guards, also known as mud guards, play a significant role, especially among trucks that tend to have bigger tires and therefore ride higher than most cars on the road. Somehow the tank isn't getting the vacuum relieved. F Reinstall tank vent; vacuum test tank; vent should allow vacuum to bleed off ; Pressure test vent with 0. You know, just a tube out of the tank going no where but having the tiny headless screw inside. The tank vents are known to have problems from sitting on a rack in a position other than upright. Fix low power problems with a simple valve How to clean, adjust, and fix common carburetor problems on a Stihl FS90 trimmer weedeater We have been using several Stihl FS90R trimmers for years now. It's probably the float valve in the carburetor bowl. The tank vents are known to have problems from sitting on a rack in a position other than upright. Over time, the fuel tank vent valve can become clogged and be stuck open. Posts: 7,323. Test fuel tank and tank vent. and others have an external vent. The products are gray and orange with "STIHL" on the engine cover. Stihl MS 310 Chainsaw (MS310) Parts Diagram Select a page from the Stihl MS 310 Chainsaw diagram to view the parts list and exploded view diagram. SFS receivers for Husqvarna chain saws are also available (models: Husqvarna 372 XP, 550XP, 562XP and 572XP). Check the gas tank vent. @t663s33, Fred Clevenger, You did not state your year/make/model/engine so I will post some what generic answer on fuel issue. Get outdoors for some landscaping or spruce up your garden! Shop a huge online selection at eBay. The vented gas cap is designed to vent small amounts of air into the car gas tank line. However for gasoline engines I tend to like to use the felt lined clunk. fuel tank and vent testing - Duration: Stihl impulse line and fuel line replacement - Duration:. Prices, promotions, styles, and availability may vary. On most Stihl's, the cap is not vented but the fuel tank itself is. Your Q&A may be posted to Jackssmallengines. The tank vent lets air IN to the tank to replace used fuel. Gas cap on these saws isn't vented so it's seldom the problem. A plastic gas tank can weigh less than half of a comparable metal gas tank and it is easy to mold into shapes to fit odd configurations. This cycle needs to remain completely airtight, otherwise fuel will start leaking from either the broken seal or from another area in the fuel system. Similar Threads - Stihl tank vent. Common overlooked fault that can cause this condition is a plugged vent in your fuel cap. Stop the engine and close the fuel cap vent. Its upright position also makes it easier to refill the tank. Small leaks that produce a fuel odor will also eventually grow into larger leaks, which will cause more serious issues. 3 Rocker Arms / Pushrods 31 7. Bought used 5 months ago. Special Servicing Tools 114 16. 96 STIHL HS81 HS86 BG45 BG46 FS38 FS45 FS55 HS45 PISTON 34mm NEW. fuel line clear yellow (tygon type) 3/32" id x 3/16" od. The fuel outlet with the felt filter on the end goes to the bottom connection of the carb and the other tube goes from the top connection of the carb, back into the fuel tank. I know Stihl has a terrible rep for starting issues especially on a hot day but I've found the reason (for me anyway) on the 4 mix kombi's If you are having the same prob which I know at least a few are by what's written on here then you will kick yourself for how simple it is We have two 4 mix kombi's and never had starting issues. Any dirt in the fuel tank will quickly block the fuel intake. 72 psi) Fuel: see owner’s manual 3. STIHL MM55 CARBURETOR 4601-120-0600 – To understand the problem with the MM55 carburetor was a simple as taking it apart. Incidents/Injuries: STIHL Inc. Got home cranked back up and runs fine. Special Servicing Tools 114 16. 325 l) MS361 Ignition System. Stihl BG50 C1Q-S521 Carburetor: Stihl BG50 Fuel Tank: Stihl BG50 C1Q-S521 Carburetor. The vented gas cap has a one-way release valve that is pressure-activated. Specifications: *Material: Rubber. 1 Decompression System 33 7. Hissing from fuel cap vent hmmmm, attempt to remove cap and sprays fuel at me. John Deere 5200 fuel problems. Plastic fuel tank is made from HDPE plastic ( High-density polyethylene) Most PE plastic grades have excellent chemical resistance, meaning they are not attacked by strong acids or strong bases, and are resistant to gentle oxidants and reducing agents. tank vent system 109 14. Thank you guys for the help, I'm currently looking into the fuel tank vent to see if it is plugged. UK Fuel Oil Tank Vent Plug Fit Stihl MS180 018 MS170 017 Chainsaw 0747-313-6810. The tube (Stihl p/n 1117 350 5800, approx. The fuel tank valve is a 2 way valve to allow air into the tank so the fuel can get out and prevent the tank over pressureising. Make sure you not only drain the fuel tank of the wrong fuel, but to flush out the fuel lines and replace the fuel filters. Re: Stihl FS55 starting but not running [ Re: flaminghansom ] #728476 09/25/12 03:44 PM 09/25/12 03:44 PM. That is why PE plastic is very hart to "fix" by glues. Hi, I have a problem with my Stihl MS 180, I am very fond of this little saw but it has stopped oiling the bar, when I take the bar and chain off and run the saw there is oil coming through but only very slowly, and when I put the bar and chain back on and run the saw for a while there is no oil on the bar at all and the oil tank is still full (I'm using stihl bio oil) - I have checked all the. ? My saw is several years old and this spring when I fired it up it did so with ease as usual. 1 Compression Pressure 29 7. When the pressure reaches a certain point (defined by so many pounds per square inch) the valve opens by a very small amount, relieving some of the pressure. It only runs for a few minutes and then acts like it has run out of fuel. Check Fuel System by Removing Fuel Filter and Pressuring Carburetor; Pressure Test Fuel Tank & Tank Vent; Pressure Test & Vacuum Test Engine; Tech Check is Stihl's recommended procedure for diagnosing any engine problems on Stihl gas powered units. He told me that there was a tech bulletin put out faulting the carb on this. Servicing Aids 116. If a plastic fuel tank does sustain small holes or tears, there are several fairly easy ways to make the repair. Buy STIHL Chainsaw Fuel Tanks and get the best deals at the lowest prices on eBay! Great Savings Free Delivery / Collection on many items Fuel Tank Vent Line-For STIHL 021 023 025 MS250 028 029 MS290 048 038 Chainsaw. Hissing from fuel cap vent hmmmm, attempt to remove cap and sprays fuel at me. 1 Spark plug. The thin line is your fuel feed while the thick one is your fuel return/breather. com to help other shoppers, like you, with their purchasing decisions. 1 Fuel filter. Most of the time the Vent line is connected to a fuel line grommet that is installed on the fuel tank. Here you go. Ensure you have good fresh gas and that there is fuel flow from the tank, as there may be an internal screen in the tank plugged. All position diaphragm carburetor with integral fuel pump Carburetor leakage test at gauge pressure: 0. Stihl 026 Pro chainsaw fuel tank vent Later style gas tank vent assembly. Rinse repeat, x2 or 3 times had enough quit for the day. Stihl MS 391 Service Workshop Manual to service and repair the 391 chainsaw. nearly always first pull hot or cold, but eventually. F Pressure test fuel line to 0. Weaknesses: Don't have two Used product for 3+ Years.