- Manual primary chain adjuster
- Stops over-tightening of the primary chain that can occur with the stock automatic adjuster
- Reduces the stress on the motor sprocket bearings and transmission drive bearings
- Allows correct adjustment of the primary chain to the factory specifications of 5/8″ to 7/8″
- Uses the OEM mounting hardware
- Instructions included
- Requires removal of the primary cover for installation or adjustment.



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