Alright fellas I think its the piston rings not sealing, but I'm just gonna go ahead and replace the whole top end because I'm not exactly sure which part is causing the issue. This thing makes me wanna pull my hair out sometimes
is there a proper way to install these piston rings, or do they need to get hot first?
because right now when I turn the engine over with a wrench I can see air slipping past the piston rings, causing my lack of compression
the rings have a cutout at the ends that is supposed to fit around the locating pins and meet (somewhat) at the bottom of the pin
a dry ring won't make a perfect seal, it needs the fuel/oil mixture to help it out a bit (note: when a motor has an overly high compression reading, I usually check for too much oil first)
No, I do not have a torque wrench, but I've taken the head off before and when I put it back without a torque wrench it did just fine. Maybe Ill go get a torque wrench today
No, I do not have a torque wrench, but I've taken the head off before and when I put it back without a torque wrench it did just fine. Maybe Ill go get a torque wrench today
Okay so today I fully rebuilt the engine again putting in factory gaskets, the crankcase seals look good to me, I also have a brand new cylinder, piston, and piston rings. Ill let you guys know whether that fixed it or not
no good, only reading about 40psi, I don't understand what could be going wrong. I mean the head gasket looks like its not sitting completely flat but could that really cause a difference of 60psi?
I'd check my bearing seals under the magneto magnet and armeture and the other side under the bevel gear for any leaks at all.
If you were to have a bad seal your compression would be lowered substantially.