Rebuild of a single cylinder presspin crankshaft – .
Rebuild of a single cylinder presspin crankshaft – How I do it. January 23, 2017 AA, GP200, ... Another repair example involves machinegrinding the seal area to a smaller OD and sourcing a smaller seal, and there are others, but if it is cheap and easy to find a good used crank, just get a good one to start with. The close up images above compare the rusted crank to a good crank. On the ...