Product Overview Kits include aluminum cylinder with galvanic coating design with forged piston with molybdenum coating.
Quick view Athena Athena 97-04 Yamaha YZ 125 LC Factory 144cc 58mm Replacement Power Exhaust Valve - S410485303019 MSRP: Was: Now: $244.87 Quick view
Quick view Athena Athena 05-21 Yamaha YZ 125 LC 144cc 58mm Big Bore Cylinder Gasket Kit - P400485160014 MSRP: Was: Now: $83.87 Quick view
Quick view Athena Athena 03-07 Kawasaki KX 125 LC 144cc 58mm Replacement Power Exhaust Valve - S410250303004 MSRP: Was: Now: $257.87 Quick view
Quick view Add to Cart Athena Athena 05-21 Yamaha YZ 125 LC Factory 54mm Cylinder - S410485301012 MSRP: $375.95 Was: Now: $354.28 Quick view Add to Cart
Quick view Add to Cart Athena Athena 97-04 Yamaha YZ 125 LC Factory 144cc 58mm Big Bore Cylinder Gasket Kit - P400485160015 MSRP: Was: Now: $83.87 Quick view Add to Cart
