1988 John Deere 240 w/Kawasaki FC420V

B

BMWM5

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Engine cranks but will not start. Here's what works
Gas to carburetor is fine so fuel pump workd
Gets spark so ignitor and coil work. Replaced both a few years ago.
I cleaned all the jets in the carb. Float works normally. Replaced gaskets
New air filter and cleaner
What would cause engine not to start. With engine in choke position then put in normal
running position then back to choke the engine will backfire and flash a flame through the
air cleaner.
What else could it be causing the engine not to start.
 
Sounds like your timing is off. That’s normally why your engine is back firing through the carburetor.
 
BMWM5 said:
Engine cranks but will not start. Here's what works
Gas to carburetor is fine so fuel pump workd
Gets spark so ignitor and coil work. Replaced both a few years ago.
I cleaned all the jets in the carb. Float works normally. Replaced gaskets
New air filter and cleaner
What would cause engine not to start. With engine in choke position then put in normal
running position then back to choke the engine will backfire and flash a flame through the
air cleaner.
What else could it be causing the engine not to start.
Click to expand...
Stuck valve
 
Problem solved. Took the tractor to my local JD Dealer. Ended up being a stuck needle valve in the carburetor. Runs like new. Thanks everyone.
 
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