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Contributor
22 Answers
- Posted on Feb 01, 2012
Re: When I try to crank my kohler cv15s it back fires
The timing is controlled by the key in the top of the crankshaft locating the flywheel. If this is sheared the engine will either run rough, backfire, pop or not run depending on how badly the timing is out.
I had already replaccd the key $ spark plug.
Check for a stuck valve
we took the valve out they look good they are seated
Make sure the valve guides arent coming out. Ive been caught out before by something as simple as stale fuel!
We have check the vales,guides ,and lifters
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