Home › Forum › Ask A Member › Johnson LS37 compression › Reply To: Johnson LS37 compression
February 1, 2021 at 8:37 pm
#229258
At that low of compression, if you did get it started, I doubt if it would idle.
Have you had it running before? Are the piston rings free in the grooves?
On most of my little motors, 65 psi is about minimum and still idle
somewhat decent.
Prepare to be boarded!