Pistons - Rings - Cylinders

Athena 47.6mm/70cc Big Bore Cylinder Kit (070100)

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets Forged piston with molybdenum coating Special gasket kit Easy-to-follow step-by-step installation instructions All are bolt-on; no machining...

$243.95

$201.32

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Athena 47.6mm/70cc Big Bore Cylinder Kit (070200)

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets Forged piston with molybdenum coating Special gasket kit Easy-to-follow step-by-step installation instructions All are bolt-on; no machining...

$278.73

$201.32

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Athena 52.96mm 2T Forged Racing Piston Kit (S5F05300001B)

Two-stroke pistons are made from 4032 silicium Includes 3% copper in materials for better heat resistance Pistons are forged using a precision heat-treatment process that allows for production tolerances of just .005mm Forged piston tooling allows for...

$239.95

$155.20

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Athena 53.95mm 2T Forged Racing Piston Kit (S410485302007.B)

Two-stroke pistons are made from 4032 silicium Includes 3% copper in materials for better heat resistance Pistons are forged using a precision heat-treatment process that allows for production tolerances of just .005mm Forged piston tooling allows for...

$130.95

$97.77

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Athena 53mm Piston Ring Set (S41316209)

Replacement rings for Athena Forged Pistons Compatible Vehicles Years Make Make Notes 2002-2023 Yamaha YZ85 2022-2023 Yamaha YZ85LW

$35.95

$32.35

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Athena 54mm/125cc Standard Bore Complete Cylinder Kit (P400485100008)

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets Forged piston with molybdenum coating Special gasket kit Easy-to-follow step-by-step installation instructions All are bolt-on; no machining...

$1,030.27

$733.46

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Athena 58mm Piston Ring Set (S41316157)

Replacement rings for Athena Forged Pistons Compatible Vehicles Years Make Make Notes 2005-2021 Yamaha YZ125 2020-2022 Yamaha YZ125X

$19.25

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Athena 66.34mm Cast 2-Stroke Piston w/Top End Gasket Kit (P4F0664267019A)

Made of high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance The smooth profile ensures a regular flow and the...

$209.95

$171.89

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Athena 67.95mm 2T Cast Piston Kit for Big Bore Cylinder (S4C06800001A)

Piston kits include piston, rings, wrist pin, and circlips Compatible Vehicles Years Make Make Notes 1987-2005 Yamaha Banshee 350 YFZ350 2006 Yamaha Banshee 350 YFZ350SP 50th Anniversary Edition

$149.95

$110.71

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Athena 67mm/235cc Big Bore Cylinder Kit (P400210100054)

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets Forged piston with molybdenum coating Special gasket kit Easy-to-follow step-by-step installation instructions All are bolt-on; no machining...

$441.97

$314.06

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Athena 68mm Piston Ring Set (S41316152)

Replacement rings for Athena Forged Pistons Compatible Vehicles Years Make Make Notes 1987-2005 Yamaha Banshee 350 YFZ350 2006 Yamaha Banshee 350 YFZ350SP 50th Anniversary Edition

$49.95

$43.82

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Athena 68mm/392cc Big Bore Cylinder Kit (P400485100024)

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets Forged piston with molybdenum coating Special gasket kit Easy-to-follow step-by-step installation instructions All are bolt-on; no machining...

$1,487.13

$1,059.26

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