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  #11   IP: 24.15.212.82
Old 04-03-2023, 03:58 PM
Sam Sam is offline
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I have a similar boat 1966 Morgan 34 with original A4, owned for 46 yrs. A few years back I had some variable slippage problems sometimes after a long run. One of the causes i believe was that I used some 10w-30 synthetic blend oil during a mid season oil change - perhaps too much lubricity in a warm engine for the reversing gear plates, went back to regular oil. 2nd cause was some surface rust on the cable near the pin end prior to the shift handle. 3rd this helped the cable sheath to slip occasionally in the hold down clamp - had the pre drilled holes for it so I added a second "U" clamp and tightened the first. I too also thought it was the adjustment ring and the one notch adjustment did increase effort required to engage the shift lever. Steps 1,2 & 3 solved issue.
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