Pistons - Rings - Cylinders

Athena 47.5mm/85cc Standard Bore Complete Cylinder Kit (P400485100076)

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...

$1,081.15

$770.36

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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

$156.55

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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 53.95mm Cast 2-Stroke Piston w/Top End Gasket Kit (P4C0540118014A)

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...

$145.95

$123.88

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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 (P4C0664083001A)

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...

$178.95

$148.69

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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 66.35mm Cast 2-Stroke Piston w/Top End Gasket Kit (P4C0664083001B)

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...

$178.95

$148.69

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