Re: piston stop bolt confusion
How about the compression/vacuum gauge method? Sounds good? Remove Schrader valve from rubber tube, screw on correct 14mm adapter, insert in plug hole. Hand crank motor clockwise, watch needle go to the right on vac scale and bring back counterclockwise into the compression scale beyond zero and then forward to zero. This is supposed to be TDC? But is this compression stroke or power stroke?
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