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Athena S4C05800001B Piston Kit (144cc Big Bore) (B) - 4.00mm Oversize to 57.95mm, 14.0:1 Compression

SKU: 4097885

Athena S4C05800001B Piston Kit (144cc Big Bore) (B) - 4.00mm Oversize to 57.95mm, 14.0:1 Compression

Athena
$244.74
$244.74 $268.95
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Bore: 57.95mm
Compression: 14.0:1 Compression
Sizing: 4.00mm Oversize

All pistons are forged using a precision heat-treatment process that allows for production tolerances of just .005mm. Forged piston kits are available in A, B and C sizing. Forged piston tooling allows for the lightest available product. Kits include antiwear coated piston, rings, pin and circlip. Made in Germany.

Vehicle Fitment:

2005-2021 Yamaha YZ125
2020-2022 Yamaha YZ125X
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