Lawn Mower Gas Cap Not Venting

I have a Craftsman riding lawn mower, model # 917273140. I've narrored it down to the fact that the gas tank seems to no longer be vented. Call 844-200-5464 from 7 am to midnight. Drilling a hole in the improvised cap will fix the problem. non gas push mower - Walk-Behind Lawn Mowers - Push Lawn non gas push mower. It is compatible with 150+ models of lawn tractors. Use this GC-134 1. We have low prices and a great selection on all Push Mowers. There are great gas cans designed to store only gasoline. Club Car Carryall 294/XRT1500, gas, 2004-2006 Exmark Viking, Explorer, Lazer Z, Metro, Turf Ranger, Turf Tracer and 300 series tractors John Deere STX thru SRX series. In some cases it may only happen under certain conditions, for example only after the mower gets hot, or only when the fuel level gets low. There is no vent in the cap or above the gas line level. Fluids can leak from air vents and any seals, like the one around the fuel cap. You need to clean the vent hole in the gas cap. if this fixes it, poke a small hole in the gas cap with a needle, push pin or similar item. It that little hole in. Replace it with a new one or try to clean out the vent hole and see if that solves the problem. Does anyone know why this occurred. Gary Jun 26. Remove the caps and check the electrolyte level. equipped ) o Catcher not venting air. Find Gravely Replacement Gas Caps below, just find your Gravely Gas Cap part number to order. Check the vent of the gas cap to be certain that it is clear. Why did my lawn mower die? The most common reason a lawn mower dies is bad gas, but a loose plug wire will cause it to stall too. If the fuel is fresh, you have a good spark and still won't start, you must make sure that fresh gasoline is getting to the carburetor. Often referred to as vapor lock, the engine can't operate with these heated gases trapped inside the tank. Locate the source of the fuel or air loss to get your John Deere lawn mower running again. Clean out the vent hole. When that happens you usually get vapor lock and the fuel stops flowing and the engine either dies or will not restart after hot until you let it cool off. 1 enemy of small engines Old gas causes the vast majority of starting problems in mowers, snowblowers and other small engines. Consumer Product Safety Commission - Recall Alert Fuel can leak from the vent valve grommet on top of the fuel tank. My mower started running perfect the second I unscrewed the cap. Not Vented? | Yahoo Answers. If you do not have specific guidelines and knowledge to do this then you will suffer a lot. Arnold Vented Gas Cap with Liner Will this replace fresh start fuel cap for john deere lawn mower? Where's the vent hole? Or, how does it vent?. A local repair shop added a small hole in the top of the gas cap and this seemed to work for a while. Update: The gas cap did not have a vent in it, so I drilled a little hole in it. You have gas leaking from your Briggs and Stratton lawn mower engine The leak appears to be coming from just below the base of the fuel cap near the air filter How coming from the A/C vents. com I think the lawn mower was not winterised. Cub Cadet Fuel Cap with Tether No. Lawn mowers are an important tool that we depend on for routine yard maintenance. Companies such as Husqvarna, Stihl, EGO, Oregon, and others, are. help Inside diameter: 2-inch; Cap vented but not with screw down vent; Not compatible with greater than 10-percent ethanol fuel heart Vented Gas Cap Lawn Mower Caps Garden Outdoor $ 5. I don't have a TimeMaster (yet, still thinking about it) but you don't have to worry about where the vent is in the cap. You cannot put fuel into your tank, unless you can get the air outand you cannot withdraw fuel from your tank unless you can let air in. Locate the source of the fuel or air loss to get your John Deere lawn mower running again. Thank you Puey61. Starts fine, runs for 5-15 min, then dies. A fuel cap that does not vent properly may cause your engine to not run properly. The gas cap vent hole could be clogged. We stock thousands of Stens parts for your lawn mower, go-kart, golf cart, trimmer, brush cutter, hedge clipper, string trimmer and more. Causes Solutions; Blades worn or. GOOD LUCK!. I received this Lawn mower from Husqvarna in exchange for this review. Engine suction moves the diaphragm as a pump to suck gas up the tube and to the needle valve and throat of the carb. Dirt and dust can accumulate and eventually plug the vent hole in cap which will restrict - Lawn Mower Craftsman ZTS 7500. Poulan Pro, 3-N-1, Push Lawn Mower, Roof Venting & Fans Rated 1 out of 5 by FrustratedOwner from Awful gas cap! Used this mower twice before the cap came off. or send cap back where you bought mower explain you want a new cap. This Arnold Vented Gas Cap fits 3. runs out of fuel with fuel in tank. Also for: Hr215pxa, Hr215hxa, Hr215sxa, Hr215sma. It worked fine, then it starting dying. Clean grass catcher. Fluids can leak from air vents and any seals, like the one around the fuel cap. 0 HP engine. There are gas caps for almost everything that uses or carries gasoline — from your automobile and lawn mower to the gas can you fill up when you run out of gas. BSS MTD AYP JD Ariens Vented fuel gas cap NOS 751-3111 by Oregon 07-309. add to compare compare now. 5 out of 5 by 2. - treeNinja Jun 27 '14 at 18:41 The mower does not have a adjustable choke like some. Make sure that the fuel shutoff valve (if present) is opened, and that the fuel line is not plugged or kinked. For Ariens, Craftsman, Husqvarna, John Deere, Poulan and Poulan Pro; Replaces OE no. Gas leaks out of the vent hole in the top of the gas cap when running. If you know the carb is good and there are not leaks of fuel or air, and nothing else is obviously wrong, time to take it to a shop. Gas Cap Most gas caps will have an air vent that allows air to enter the fuel tank. There are great gas cans designed to store only gasoline. lawn mower will just stop running. Fuel tanks are designed to keep your engine's fuel clean, vented and secure on all lawn mowers, snow blowers and outdoor power products. Buy Online Lawn Mower Spare Parts & Outdoor Power Equipment | OutdoorKing Genuine Robin FUEL CAP EX VENT SEAL TYPE 0430430060 [0430430060] - OEM Number Description Dimensions 0430430060 Genuine Robin / Subaru FUEL CAP EX VENT SEAL TYPE N/A Fits Robin / Subaru Models EY150BB0020 Engine EY150BB0030 Engine EY150BB0220 Engine EY150BB0230 Engine EY150BB0250 Engine EY150BB0260 Engine EY150BB0400. Thing is about 16 years old now. The beauty of your lawn depends upon a properly operating mower, and if your Craftsman 6. We Fuel Cap Vented **non Returnable** Lawn Mower and Small Engine Parts Genuine OEM | We Fuel Cap Vented **non Returnable** MowPart JavaScript seems to be disabled in your browser. Bush Hog lives up to its reputation for over 60 years in Selma, Alabama. Place a plastic bag over the fuel tank opening and put the fuel tank cap back on to prevent gasoline from leaking out through the fuel tank cap vent. If something else is dirty though and the gas cap is not. Using an old turkey baster, suck old gas from your tank. Most of the time the Vent line is connected to a fuel line grommet that is installed on the fuel tank. In this video I show you an easy way to check if your fuel cap is venting properly. Rated 2 out of 5 by GrumpyCat from I don't like this gas cap My 725ex uses this gas cap. There is no vent in the cap or above the gas line level. If the engine starts when you remove the gas cap, a plugged vent hole is the problem. Lawn Mower Won't Stay Running: Why And How To Solve? then that means the gas cap vent is blocked. Do they have some new way of venting gas tanks for enviromental reasons or something. Be sure to take care of any problem you find, or have your servicing dealer correct it, before you operate the lawn mower. lawn mower gas caps - compare prices at BuyCheapr. Providing you with top-quality oil, filters, and accessories that are specific to your engine, Arnold oil products are the best way to get keep your engine functioning at its prime. Since these things have been done, I do notice that the mower starts easier when cold. Remove the gas cap and try starting your lawnmower. there is an insert cup that goes into the gas cap and it says replace when empty what is it and what is the part number 917388134 Craftsman Lawn mower. The engine will likely shut down after a few minutes if the cap is not vented. Even if your lawn mower uses gasoline, other gas-powered equipment you own might use diesel or other fuel types. If you know the carb is good and there are not leaks of fuel or air, and nothing else is obviously wrong, time to take it to a shop. There is a small vent hole on the cap that also controls the flow of air into the gas tank and ultimately the flow of air into the carburetor, so continued sputtering problems may be the result of a clogged vent hole. We are an Authorized Tecumseh Dealer and Service Center carrying a large selection of Replacement Gas Caps for Tecumseh Small Engines. Vented without a screw down vent; Ethanol Not compatible with greater than 10% Lawn-Boy 678699, 681446; Snapper 1 Stens Fuel Cap. If your engine needs new air and fuel filters, or a new spark plug, insist on a product from a name-brand manufacturer, such as Champion. One of the overlooked problems with mowers that run and then stop is the gas cap. See Details. This is a guide about a Yardman mower that won't start. Clear the breather vent/hole in the fuel cap. At RCPW, we believe in saving you money with only the best quality aftermarket parts available. Mower; Mower - Electrical; Fuel Caps - 4-Cycle. This caused the engine to stall after a few minutes of use. The L series mowers have a problem with this. 75" in diameter and has built-in ventilation along with a liner. 5hp 4 cycle engine. Had two of these caps gas leaks just below it on the filler neck. Both failed problem returned less than 12 months after replacing this cap. when mower dies. If it is damaged and has a metal body, discard the pump and perform a fuel pump replacement. However, it is not secure. We are an Authorized MTD Dealer carrying a large selection of MTD Gas Caps. My 18 hp Mastercraft riding lawn mower hesitates under a load. 27528 lawnmower (also known as a garden tractor), is a very powerful machine equipped with a 27. there is an insert cup that goes into the gas cap and it says replace when empty what is it and what is the part number 917388134 Craftsman Lawn mower. Last year I left my gas cap at the gas station and needed an emergency replacement. Best cordless lawn mowers in UK to choose from! With a cordless mower / battery lawn mower, there's no lead to tie you down!. The old style caps with the small dish inside can be problematic, stopping the tank from venting. This cap is made to seal the top of the fuel tank. 378441) with a Briggs & Stratton 6. The fuel level of your tank changes throughout the day, even if you are not driving it. If you take the cap off after the mower quits and you hear a whooshing of air, the cap is not venting as it should. Creators of the Toro 71429 lawnmower refer to this model as Wheel Horse XL 440H lawn tractor. Remove the caps and check the electrolyte level. 5 HP Tecumseh lawn mower will not start. LAWN MOWERS AND FUEL ISSUES: How to Prevent Fuel Problems With Your Lawn Mower. pdf), Text File (. We have the Husqvarna Gas Caps 4-Cycle You need with fast shipping and low prices. Obtain fresh fuel. Many people use a dry rag to remove the "crud" but I've found that the most efficient way is to use a paint brush. Gas runs down the filler neck regardless of how tight the cap is attached. Fuel cap is not covered with debris and is for allowing proper ventilation. Save on Driveworks Fuel Filter, Lawn Mower DW-761 at Advance Auto Parts. Engine oil level is at the "full" mark on the dipstick. If it runs for longer, then the fuel tank is not venting. There's a tiny vent in the cap that can get plugged up. If the seal is damaged or the cap cannot properly seal the tank, the lights will glow continuously. 0 HP (horsepower) lawn mower suffers from bad fuel, a disconnected or bad spark plug, a misaligned air adjustment valve or even a fuel tank cap problem, then your lawn will also suffer. One of the overlooked problems with mowers that run and then stop is the gas cap. 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. Does anyone know why this occurred. Some months ago, my youngest son disassembled my JS63C's tranny. / 159cc Gas All Wheel Drive Self Propelled Lawn Mower with Side Discharge, Mulching and Rear Bag "lawn mower gas cap. Clean or replace the fuel cap. Now it dies continuously. Get their tips for proper mower fuel use, including ethanol ratings and fuel stabilizer choices!. Replace it with a new one or try to clean out the vent hole and see if that solves the problem. New Black Front Fuel Cap Tank Cover Petrol Diesel 1J0201550A 1H0201553B. A lawn mower that fails to deliver fuel to the carburetor will typically not even start. 5 out of 5 by 2. After it first cuts off it will crank and run again just for a few seconds. Find great deals on Riding mower fuel tank Lawn Mowers & Tractors, including discounts on the New CRAFTSMAN Riding Lawn Mower Gas Tank 184900 109202X 53218490 with Fuel Cap. If so the cap vent is clogged. A local repair shop added a small hole in the top of the gas cap and this seemed to work for a while. This cap is made to seal the top of the fuel tank. to check, remove gas cap and run engine. We have the Husqvarna Gas Caps 4-Cycle You need with fast shipping and low prices. Other problems, such as a lack of or a weak spark at the spark plug, can also render a mower useless. Why Does My Mower Stop Running After 20 Minutes? 4 My Push Lawn Mower Doesn't Seem to Be Getting Gas; but moisture can also enter the system through a loose or ill fitting gas cap. POSSIBLE CAUSE Cutter deck clogged. While your mower will get the job done a lot faster than you could, this is not a very cost effective method. It can also come from the humidity in the air and enter through the vent on the fuel tank. I've narrored it down to the fact that the gas tank seems to no longer be vented. When they fail to start it is very frustrating and can be an expensive repair. org will support you zero in on the top-grade gas cap for lawn mower with quality, use, and sales. The vented gas cap is designed to vent small amounts of air into the car gas tank line. For Lawn Mower parts and accessories, think Jack's!. Replace it with a new one or try to clean out the vent hole and see if that solves the problem. Make sure the float moves and that the needle valve functions properly. The gas cap on my Husqvarna push mower vibrates loose. Sold by yourpartsdirect13 an eBay Marketplace seller. Locate the source of the fuel or air loss to get your John Deere lawn mower running again. Why would gas leak out of lawn mower cap area? I assume you are referring to the cap on the fuel tank. gas can caps are non vented designed to seal and not let vapors in or out mower caps are vented so as gasoline is used air can enter the tank, otherwise the engine will quit after awhile stareved for fuel. What Is Wrong If My Push Mower Won't Continue to Run After I've Started it? Debris in the undercarriage may be more than your lawnmower can handle. Albert, A lot of lawn mowers have a problem with the gas cap not venting properly and will quit running after running a few minutes as you described, try running with cap removed or very loose( be-careful of splashing fuel). Start the engine. Buy Lawn Mower Gas Caps and get the best deals at the lowest prices on eBay! Great Savings Free Delivery / Collection on many items SNAPPER VENTED gas FUEL CAP. This relieves the vacuum and allows the gas to flow again. Just when engine starts to sputter, unscrew the cap. Use this fuel spout to refuel your lawnmowers, lawn trimmers and other fuel container. I have recently had the same problem with the same tractor, i have only 52 hours on the tractor after 6 months. fits like a charm. For anyone that doesn't think the lift pump on a OM617 can practically suck a golf ball through a garden hosehere are two pictures of my fuel tank when the vent became fully blocked for some reason on a 3,200 mile round trip. If it's a fairly new machine, make the dealer give you a new cap, otherwise, pick one up and replace it. That said, Fuel Pump / Kohler 24 393 16-S. This part is sold individually, and it requires no tools to replace. Lawn mower engine surging is a right pain in the Jacksie, it's an engine that runs erratically, revs up and down by itself uncontrollably. We carry a large selection of Sears Gas Caps. The engine will likely shut down after a few minutes if the cap is not vented. Our online catalog has a huge selection of Toro Replacement Fuel Caps ready to ship direct to your door. Take a small pick and dig out any trash if not drill a tiny hole in the cap. I've narrored it down to the fact that the gas tank seems to no longer be vented. Echo QV Quick Vent Saw Parts; White Parts,White Mower Parts; White Lawn Tractor Parts; White Push Mower Parts; Kohler Fuel Tank Caps. Gas Caps for MTD outdoor power equipment. This engine according to the serial number was built in 1993. Do read your manual and follow all lawn mower safety instructions. The last thing you need to worry about is cleaning up a gas spill! We have listed below our favorite gas cans for your review. add to compare compare now. / 159cc Gas All Wheel Drive Self Propelled Lawn Mower with Side Discharge, Mulching and Rear Bag "lawn mower gas cap. Often referred to as vapor lock, the engine can't operate with these heated gases trapped inside the tank. It's made of high-quality materials and is easy to install. It poses a risk of leakage, fire or fuel contamination. Now it dies continuously. Starts fine, runs for 5-15 min, then dies. (no Vent hole) on to motor fuel. The solenoid on the carb is the fuel shut off to the Main Jet. IS YOUR LAWN MOWER READY TO GO? FUEL TANK CAP (p. 42 Inch Lawn Mower - Free download as PDF File (. Refuel outdoors WHERE THERE ARE NO SPARKS OR FLAMES. Well you get the idea. com Lawn Push Mower Gas Cap Replacement for Murray Hy. 22" Personal Pace® Electric Start Mower (20334) Walk Power Mower Lawn Striper (Model #20601) Choose the right fuel for your mower. Buy online, pick up in-store in 30 minutes. May fit other Sears Craftsman models not listed, use part numbers and description to determine if this fuel cap. Get the best deal for Lawn Mower Fuel Tank Caps from the largest online selection at eBay. I got a 25hp kawasaki on a JD 757. Not sure if it also affects operation, but at any rate, it's annoying and hazardous. Usually this is done from the fuel cap. If it does try soaking cap in deisel fuel or heating oil overnight, remove and allow to dry prior to re-installing. As you likely guessed, the lawn mower will stop running if the carburetor is not getting fuel. There's a rubber baffle inside the cap that does this. Cub Cadet Fuel Cap with Tether No. Causes Solutions; Blades worn or. If you do not see the Husqvarna Gas Cap you need, please complete the Lawn Mower Parts Request Form and we will be happy to assist you. 378441) with a Briggs & Stratton 6. Best cordless lawn mowers in UK to choose from! With a cordless mower / battery lawn mower, there's no lead to tie you down!. If it runs for longer, then the fuel tank is not venting. A blocked vent on the gas tank cap could also cause the engine to stop. I cannot get fuel in my john deere 160 lawn mower from the fuel tank to the fuel filter - John Deere Garden question clean the gas cap vent hole(s). Please Note: Prices, promotions, styles and availability may vary by store and online. Buy a Cap-Fuel (Black) (1-1/2 I D) [37844] for your Lawn Equipment - This black fuel cap is a genuine OEM supplied replacement part, it is not an aftermarke. add to compare compare now. 33 S & H: $ 0. 7 results for lawn mower oil cap Save lawn mower oil cap to get e-mail alerts and updates on your eBay Feed. This is one way of testing whether or not the gas cap on you lawn mower is venting. 0 HP engine. Did you check the top of the gas cap for tape over it top of gas cap should have a small hole all the way through it. Remove the air filter and clean the carburetor. non gas push mower - Walk-Behind Lawn Mowers - Push Lawn non gas push mower. There is supposed to be a tiny pinhole in the top of the cap to vent the tank. It is not. Now, each time I take off the gas cap, air rushes into the gas tank, because that tank is no longer vented, as my gas cap is not of the vented variety. Good Evening! I own a Craftsman Lawn Mower (Model #917. Place a plastic bag over the fuel tank opening and put the fuel tank cap back on to prevent gasoline from leaking out through the fuel tank cap vent. However, it still does not work properly. Problem of mower cable is just like that one. For those who need more run-time, battery backpacks offer a unique solution. What happens when a tank vent gets clogged on a W123. Some problem can be solved very easily but some are not. If the mix is out of balance, the mower may start. tony alexander, Possibly easy fix. Very frustrated with Honda lawn mower. Gas Cap Most gas caps will have an air vent that allows air to enter the fuel tank. Craftsman GARDENTRACTOR 917. IS YOUR LAWN MOWER READY TO GO? FUEL TANK CAP (p. Figured cap needed to be vented. txt) or read online for free. May fit other Sears Craftsman models not listed, use part numbers and description to determine if this fuel cap. There's a tiny vent in the cap that can get plugged up. Engine suction moves the diaphragm as a pump to suck gas up the tube and to the needle valve and throat of the carb. • Replace the spark plug. Worked perfectly. Did you check the top of the gas cap for tape over it top of gas cap should have a small hole all the way through it. After it first cuts off it will crank and run again just for a few seconds. Save on Driveworks Fuel Filter, Lawn Mower DW-761 at Advance Auto Parts. The beauty of your lawn depends upon a properly operating mower, and if your Craftsman 6. to check, remove gas cap and run engine. A blocked vent on the gas tank cap could also cause the engine to stop. Had the same problem with my Kohler, gas in the oil. Creators of the Toro 71429 lawnmower refer to this model as Wheel Horse XL 440H lawn tractor. Clean or replace the fuel cap. Update: The gas cap did not have a vent in it, so I drilled a little hole in it. A blocked vent on the gas tank cap could also cause the engine to stop. Long story short, the vent hole on the gas cap was clogged and after cleaning and boring the hole out a little, the issue was resolved. The vent on the cap is not working properly. Lawn mower gas cap tank not venting poor running how to check - Duration: 4:55. IS YOUR LAWN MOWER READY TO GO? FUEL TANK CAP (p. You need the holes to vent the fumes and you need. 27528 lawn mower troubleshooting The Craftsman 917. May fit other Sears Craftsman models not listed, use part numbers and description to determine if this fuel cap. Never attempt to repair a damaged tank. Abby’s Guide > Outdoor Power Equipment (Lawn Mowers, Snow > 2000 6. It's an anti backfire device. I have replaced the fuel filter, air filter, spark plug with the proper gap, and changed the oil too. View and Download Ferris IS700Z series operator's manual online. The fuel tank replacement caps are black and are missing the vent within the clear lens covering the fuel gauge. it could be the gas cap not venting right,when the unit dies loosen gas cap and try to start it. Rated 2 out of 5 by GrumpyCat from I don't like this gas cap My 725ex uses this gas cap. However, it still does not work properly. Craftsman GARDENTRACTOR 917. Lawn Mower Repair. Ru IMPORTANT : Never cover mower while engine at least 10 minutes after addingch engone and exhaust areas are still warm. I hear clicking when I try to start the lawn mower. If you discover that the cap is not the issue, then the fuel system needs to be cleaned. Some problem can be solved very easily but some are not. Gas / fuel cap substitution not vented for riding mower - 581075501 is the new part # and 158990 is the old. Long story short, it turned out to be the gas cap was not venting properly, creating a vacuum in the fuel tank. Drilling a hole in the improvised cap will fix the problem. This durable component is made of high-quality plastic and it is sold individually. Usually this is. Lawn Mower Won't Stay Running: Why And How To Solve? then that means the gas cap vent is blocked. - treeNinja Jun 27 '14 at 18:41 The mower does not have a adjustable choke like some. I just changed the spark plug, air filter and new gas with the gas stabilizer gas cap and the mower will start up with no problems and runs great. The solenoid on the carb is the fuel shut off to the Main Jet. Not Vented? | Yahoo Answers. Creators of the Toro 71429 lawnmower refer to this model as Wheel Horse XL 440H lawn tractor. such as those on lawn. For instance, your gas cap may not be venting or a fuel filter may be clogged with debris. The gas cap vent is fine, I have check it, it is not plug. Craftsman GARDENTRACTOR 917. Sold by yourpartsdirect13 an eBay Marketplace seller. The first thing to do is determine if you have spark with the new coil. It turned out to be a dirty fuel filter and my fuel cap was clogged and not venting the tank. Toro Gas Caps available online from LawnMowerPros. Did you check the top of the gas cap for tape over it top of gas cap should have a small hole all the way through it. Common Lawn Mower Problems. One of the overlooked problems with mowers that run and then stop is the gas cap. This is for USA residents. Some days it can run all day. I figured the little Craftsman would be an easy fix and flip tractor, so I pressure-washed it clean and repl. I even tried running the lawn mower without the cap to see if it will make a difference but it did not. This is the second time, after a repair mechanic swapped out for a good cap with a good seal 9 months ago. Now, it's leaking too, as of today. The L series mowers have a problem with this. There's a clear fuel filter between the tank and the motor, and it's not filling up with gas. Fuel caps have vent holes to allow air into the fuel tank. 36-Volt Cordless Mower CM1836. @Allen, Two reasons your Horse is running out of fuel. I received this Lawn mower from Husqvarna in exchange for this review. Gas Cap Most gas caps will have an air vent that allows air to enter the fuel tank. Refine by fits, like Simplicity 171252SM, Simplicity 2171252SM, Simplic and more. If so, clean or replace the gas cap. There are great gas cans designed to store only gasoline. I removed the tube on the tank side, and got gas all over my hands, so that's not clogged. o Grass catcher too full. I would go back to the reel mower. Check the gas cap vent first. If it's a fairly new machine, make the dealer give you a new cap, otherwise, pick one up and replace it. This is one way of testing whether or not the gas cap on you lawn mower is venting. When I had this issue my mower repair shop suggested getting some fuel enhancer, not just fuel stabilizer, but an additive made specifically to offset ethanol in gasoline (you can get it at any big box store in the mower parts area) and using mid-grade fuel (89 octane). We have low prices and a great selection on all Push Mowers. I've narrored it down to the fact that the gas tank seems to no longer be vented. One of the first things you should do is check the gasoline, especially if the mower doesn't use fuel stabilizer.