Warranty Guide

STEP 4: Remove Pinion and Replace Bearings
1. Hammer the bearings (10) and the old pinion (11) out the
open side of the housing. Remove the bearings from the
rejected part. Dispose of the old pinion.
2. Replace bearings on the new pinion. Insert the new pinion
assembly into the housing.
3. Use a 1.5” pipe to fully seat the bearings. Replace the bearing
plate (9) and tighten the bolts.
STEP 5: Replace Keyway Tabs, Flywheels, and Snap Rings
1. Insert the keyway tabs (8) into the new pinion. Fully seat the tabs
with a hammer.
2. Use the 3lb hammer to fully insert the flywheels (7) on the new
pinion. Rotate every hit around the center of the wheel making
sure each is fully seated.
3. Use a 4mm Allen wrench to tighten the set screws (6).
4. Replace the snap rings (5) on either end of the pinion.
Note: Make sure the flywheels go on with the spacers facing
inward.
WARNING: The casting can crack if the flywheel is hit too hard. If
the wheel does not want go on, try using two hammers to spread
the force.