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Kohler 17.5 (John deer) commuter, model cr-491s,

#1

C

Cline

Engine will not fire on starter spray
Hyd. Valve lifers, compression 60-70 psi
Flywheel key-good
New spark plug
Spark good finger tested
Removed head, valves appears good
In need of directions


#2

BlazNT

BlazNT

Cline said:
Engine will not fire on starter spray
Hyd. Valve lifers, compression 60-70 psi
Flywheel key-good
New spark plug
Spark good finger tested
Removed head, valves appears good
In need of directions
Click to expand...

60 to 70 PSI is too low. Put a little oil in the spark plug hole and try again and see if the compression goes up if it does you need new rings.


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