Frankman815
New member
Model no. C25MSHT.
I’m running a compression test on my outboard but I don’t know what the normal range of compression specs is. I know the two cylinders shouldn’t have more than a 10-15 psi difference.
Anybody done this before or know the spec?
I’m running a compression test on my outboard but I don’t know what the normal range of compression specs is. I know the two cylinders shouldn’t have more than a 10-15 psi difference.
Anybody done this before or know the spec?