70-84 FL Shovel, 71-84 FX Shovel, 85-94 FX Model, 91-17 Dyna, 84-17 Softail, 86-16 Touring, 09-16 Trike
Check flywheel runout of the pinion shaft while assembled in engine case. Also check the amount of gear lash on gear driven cams used in some twin cam engines. By using a JIMS tire rotator No. 936 you can remove most all of the stress being applied to the flywheel by not rotating the engine with the electric starter motor.