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Coleman /Briggs engine not starting low compression 60psi

#1

T

twinfords

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??


#2

T

tuffnell

Low compression can be the result of incorrect valve stem clearances (valve lash).
One or both of the valves may not be closing completely.


#3

EngineMan

EngineMan

CHECK THE EXHAUST VALVE..


#4

T

tybilly

how can ya use compression numbers on an easy start cam?


#5

C

chance123

CHECK THE EXHAUST VALVE..

Typo? Surely you meant the "intake" valve since its flaming out the carb


#6

EngineMan

EngineMan

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:


#7

C

chance123

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.


#8

EngineMan

EngineMan

Ya and when am gone, I hope someone will remember to cut the grass above me...!


#9

C

chance123

Ya and when am gone, I hope someone will remember to cut the grass above me...!

LOL (Damn near fell on the floor)


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