Originally Posted by
The_Keeper
hey Mitch , what brand of plug are you running and what number.
i was running a Novarossi #7
Originally Posted by
Team-RTR
it could be a number of things, but have you checked the pinch on the sleeve? if your liner is worn low compression will make a motor very erratic and cause it to stall once its up to temperature. other then that check the part no. of the front bearing on the novarossi website for your motor, should also have a size of the bearing on the explosion for the motor. also if possible stick with a rubber sealed bearing for the front.
the engine has still got heaps of pinch only about 10-13L old. i got the right number know for the bearings thanks for your help