Re: Environmentally friendly oil for 67 Johnston folding motor

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September 12, 2017 at 12:24 am #64725
kms
Participant

    Please don’t think I was arguing. I am quite certain that the members here know their stuff.

    Thanks!

    quote Kerry:

    Yes, the manual clearly says 50:1. What it doesn’t say is the powerhead is relatively unchanged from the 1952 version. Trust the members that are trying to keep the motors alive, not the bean counters. Its always easier to add extra oil than rebuilding the powerhead… if it doesn’t melt or blow up.