John Deere LA145 Lawn Tractor - won't start


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Old 03-28-11, 09:50 AM
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Question John Deere LA145 Lawn Tractor - won't start

My battery has been on a charger during the winter. It was placed back in the mower over the weekend. According to the tester, it has a full charge. The mower *will* crank and sound like it's going to start any second - but doesn't! It has a full tank of gas, the oil is good, Spark plugs are OK, the fuel line shows it is getting gas, and the fuse is OK.
I made sure the blades were off when I tried to start it.
What else am I missing ??
Thanks for your help !
 
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Old 03-28-11, 05:35 PM
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Can you hear the carburetor solenoid click when you turn the ignition on?
 
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Old 03-28-11, 08:11 PM
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what engine is it? you might want to do a compression check. if you can keep your finger blocking the spark plug hole while cranking the engine, that is probably a problem. you could have a bad head gasket, bad rings, or incorrect valve lash.

pour a shot of gas into the spark plug hole and try again.

your spark gap should be around .030" that is about a credit card thickness.
 
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Old 03-31-11, 11:50 AM
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I don't know where to listen for that. But I'll try it and listen for any clicks ! Thanks!
 
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Old 03-31-11, 11:54 AM
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I'll try that. Thanks for replying !
 
 

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