questions in a crank swap since mines bad

[Wheeliest]

Quote:

Originally Posted by ~03~raven I'm sure there are different bearing codes so you would have to wait til you got the new crank in hand and figure out what main and rod bearings you need. Like with the Yamahas there are numbers stamped on the motor case, numbers on the rod endcaps, and numbers on the the outter must crank web. by using the numbers on the crank web and the numbers on the case you get the journal bearing code, using the crank web and the rod end cap number you get the rod bearing code. That make sense?

just so you know, most SS race built motors for club racing they use the thinnest factory bearings available for rods and crank. so its not necessity to match the codes.

for a perfect build, you would use a brand new crank, along with brand new cases and start completely fresh.