Coleman /Briggs engine not starting low compression 60psi

twinfords

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  • / Coleman /Briggs engine not starting low compression 60psi
i have a customers Coleman generator with Briggs 6hp engine OHV 120342-0137-E2, has only 60 psi, it is back firing through carb with flames sometime, i had it started for like 2 minutes, i have checked flywheel key, cleaned gapped plug, rebuilt carb, check coil and gapped. checked OHV they seem ok, what next??
 

tuffnell

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  • / Coleman /Briggs engine not starting low compression 60psi
Low compression can be the result of incorrect valve stem clearances (valve lash).
One or both of the valves may not be closing completely.
 

EngineMan

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  • / Coleman /Briggs engine not starting low compression 60psi
CHECK THE EXHAUST VALVE..
 

tybilly

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  • / Coleman /Briggs engine not starting low compression 60psi
how can ya use compression numbers on an easy start cam?
 

EngineMan

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  • / Coleman /Briggs engine not starting low compression 60psi
Typo? Surely you meant the "intake" valve since its flaming out the carb

Yes you are right should be intake valve, old age don't come alone..:ashamed:
 

chance123

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  • / Coleman /Briggs engine not starting low compression 60psi
Yes you are right should be intake valve, old age don't come alone..:ashamed:

LOL I know. Old timers disease along with CRS can be difficult at times.
 

EngineMan

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  • / Coleman /Briggs engine not starting low compression 60psi
Ya and when am gone, I hope someone will remember to cut the grass above me...!
 
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