Originally Posted by sal the salmon

ive ordered 3 spur gears. i stripped the orginal, installed the 70 which stripped, then ordered a new 70, installed it, stripped it. i have one stock one left that is also brand new from a main? im thinking maybe one of the bearings it sits on is out of true or maybe its the motor shaft that could be bent? yes pinion is stock and this is on the 2250 100c battery