I have never had an issue pressure or vac testing a saw with a decompression valve until now. I have never plugged a decompression valve hole to pressure test a chainsaw…. Well currently I’m working on a 3120 xp. I have been through two Oem decompression valves. Neither would hold pressure. I...
Hi All,
Recently picked up a pro mac 800 saw that unfortunately is missing a decomp valve.
Looking for knowledge of any other saws valves that might work or if could plug with bolt and still run?
What size is thread for bolt replacement.
While starting my stihl 034super the guts of the decompression valve dropped into the cylinder and picked a fight with the piston.
This happen when I pressed the value down to pull engine it over. Piston came off second best... And is distorted and pinching top piston ring. All will need to be...
