Recent content by brian330

thanks to all that have replied... a little history on this engine two years ago a shop replaced both cylinder heads new gaskets and valves.. both coils were replaced at that time to ..it has a front crank shaft that runs the hydraulic pump on it shop told him it was cost effective to replace...

it does not smoke both heads and gaskets were replaced about two years ago.. it runs rough at all speeds thanks for your reply..

I have a kohler ch25 engine on a toro zero turn .. was reading thought some posts it is like the one bear369 posted runs very rough both coils are firing.. did a compression test both cylinders have about 150 psi on them .. has a lot of crankcase pressure it will blow the cap off the oil filler...