350-part-guy Posted August 27, 2012 Report Share Posted August 27, 2012 Just built cheetah 421 cub. Having a problem with the tz bearing on the crank not wanting to stay in place...wants to push ageist the crank witch makes the motor not want to turn over freely...just wanting to see if their is any knowledge out there about this happening....i have all new parts everything to spec on tork and spacing...just cant figure out exactly what.would cause this...circlip worn? Case worn? Faulty TZ bearing?..... thanks for any help their is out their Quote Link to comment Share on other sites More sharing options...
Wildcardracing Posted August 27, 2012 Report Share Posted August 27, 2012 Which way did you install the inner race? The shoulder should be against the web so the bearing can slide off the crank. Quote Link to comment Share on other sites More sharing options...
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