hile it is in gear.
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Or belt tensioner.
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This could be caused by not enough air getting into the system, not enough fuel getting into the system, or the fuel/air mix not burning well enough once it gets into the cylinder. It`s probably a clogged air filter. Could also be a clogged fuel filter or a bad spark plug.
Clogged or Dirty Air Filters
It is one of the most common problems that cause lawnmowers to sputter. The mowers take the air from the surrounding through air filters and mix it with fuel inside the engine. So, if the air filter is clogged or dirty, it will affect the flow of air into the carburetor.
A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and cause the engine to stall.
This is most likely a safety switch issue. Usually the seat safety switch will cause this problem. The mower dies because it thinks nobody is sitting in the seat, and shuts off for safety reasons.
Usually, manual cars will stall because the driver has let the clutch out too quickly. This means the `revolutions per minute` (RPM) of the engine has dropped too low and the engine has stopped. You`re less likely to stall if you release the clutch slowly.
Tractor may be starving for fuel
The fuel tank can develop a vacuum. This could cause fuel to stop running to the engine – causing it to stall. If this is the case, give it an hour or two, and the tank pressure will reset and equalize. Then the tractor will run again.
The mower surges when the carburetor sucks air through an unsealed gap in the air intake manifold instead of through the air filter. Dirty carburetor. Clogged fuel jets inside the carburetor commonly cause the lawn mower engine to surge. Clogged jets can`t provide the right mix of air and fuel to the engine.
If your riding lawn mower engine dies when you release the brake, there`s a good chance the mower`s seat switch is broken or unplugged. The seat switch stops the engine when it doesn`t detect an operator sitting on the seat to prevent the mower from moving without a driver.
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2010 model 20 hp Briggs motor. Fuel going through fuel line, but not going into carberator. Motor runs good for about 15 min, but after heating up this fuel problem starts. After cooling down for an hour it will run again for about 15 min.\r\nThanks for any advice
Tom in AR
1 Is fuel coming out of the fuel line. Older mowers have old fuel lines and they tend to get weak and collapse went they warm up with engine heat. Replace the old fuel line.
2 deposits in the carb. take off the air cleaner, start it up and spray a good carb cleaner in the carb until the engine dies. Put some ‘seafoam’ in the gas and a little in the oil and put the air cleaner back on and start the mower and mow on FULL THROTTLE. this should claen out the carb. Yes the mower will run rough for awhile.
these two cheap fixes will solve 85 % of carb problems. GOOD LUCK
Enigine smokes after 15 minutes use, blue smoke
The piston rings are probably worn in the motor.
I have problem with pulles an my craftsman 17 hp 42in
YOU MUST USE SEARS BELTS ! THERE A ODD SIZE
After about 15 minutes of operation my mower just cuts off as though it ran our of gas but has not. I have replaced the ignition coil, spark plug, air filter, fuel filter. I have a 17.5 hp Craftsman riding mower.
I have same problem only thing ive found is gas tank may not be venting properly. Fill tank about half full and leave cap off, if still stalls then probably engine problem
How do i install a mulching plug on my craftsman lawn tractor?
It covers the hole on the deck
Is the battery 12 volt? – Craftsman 20 Hp 42" Deck Lawn Tractor
Yes. When you go get a new one try and spend alittle more and get the highest ctanking amp battery you can. Most auto part, walmart, lowes, homedepot or small engine repair stores will carry what you need.
Can’t get front wheel back on lawn tractor
Grease your shaft and make sure you have no dirt on it, even dust can hinder getting it on right.
I have a 1987 craftsman riding 17 horse mower. I
Smoke is fine as long as you keep adding oil!!! Rings are worn,,,