Reply To: 1955 Evinrude 7.5 powerhead

[frankr]

You wrote:  Prior to reinstalling the powerhead I pulled the starter with the spark plugs out and to me it still seems hard to pull.  After this motor has been running it pulls over easily and runs well”.   If it pulled hard with the plugs out but freed up after running, I’d be concerned it might have some rust inside from sitting.  That is not good.  I’d do some investigating.  At the very least, make sure the carbon seal assy on the shaft is 100% good.  A bad seal will admit water into the crankcase, and it can result in a tossed connecting rod.