Home › Forum › Ask A Member › 3hp OMC crankcase question › Re: 3hp OMC crankcase question
July 3, 2018 at 2:32 pm
#78953
OK, so I am assuming you pulled the pistons out and replaced the rings…
Is it possible that you installed the pistons "backwards"? In other words, the intake deflector side of the pistons are facing the exhaust ports…