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Learn MoreInstalling the Athena Factory Cylinder Kit on your bike makes it truly race ready and able to compete with the best of the best.
Note: For installing this cylinder kit on the model years 1997 - 1998 YZ 125 LC, please replace the original exhaust muffler with 1999 - 2003 version, and for the models 1997 - 1999 it is absolutely necessary to use the 2 original Yamaha torsion springs (valve) from model years 2000 - 2003.
Product Variant | Manufacturer Part # |
---|---|
Athena Factory Cylinder Kit | P400485100003 |
WARNING: This product contains chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. Wash hands after handling. For more information, go to www.P65Warnings.ca.gov.