Re: 1950s Evinrude 7.5 hp

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July 6, 2015 at 3:25 pm #19578
Don
Participant

    US Member

    A fifty cent hone job is just that! Nothing more than taking a little fine emery to the cylinder walls to rough them up without removing pistons/rings, etc. Simply blow out any left over dust with compressed air/brake clean. No oversize pistons/rings required, just 50 cents worth of emery!