crankshaft

couple of hours ago i tried to put back together my engine. i put the crankshaft first in to the left case and then the right case. i gently tapped it with a plastic hammer and the screwed it... the more i tightened the screws the more the crank got harder to spin. again i tapped crank's...

Dear soul mates of the board……… After having opened Mr. Maximus insides,(because of a welding job I need to undertake on the motor case) it seems that the crankshaft has used some “free timeâ€Â

Hi all, Who has a definative answer on the proper crankshaft end play/axial clearence for the upgraded cylindrical roller main bearings? The motor service guide states for the 2003 crank with roller bearings that the clearence should be 0.25-0.30mm for 400-550cc engines and 0.30-0.35mm for...

Hi all, Apparently the previous owner removed the crank counterbalancer on my bike. There are two additional lightening holes near the crank pin, but how do I verify that it is balanced correctly? I have ridden it minimally prior to tearing into it, and it did seem to vibrate a lot. Is there...