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Athena P400485100042 Big Bore Cylinder Kit (300cc) - 5.6mm Oversize to 72mm - 16.0:1 Compression

SKU: 4800290

Athena P400485100042 Big Bore Cylinder Kit (300cc) - 5.6mm Oversize to 72mm - 16.0:1 Compression

Athena
$1,404.96
$1,404.96 $1,784.95
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Shipping calculated at checkout.
In stock and ready for shipping
This is a pre order item. We will ship it when it comes in stock.
Bore: 72.00mm
Sizing: 5.60mm Oversize

Rear Wheel Power 45.3 HP / 7600 rpm.

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets. Includes Forged piston, rings, clips and pin. Athena top-end gasket set includes required seals and hardware. Easy-to-follow step-by-step installation instructions. Most are bolt-on; no machining required except where noted.

Vehicle Fitment:

2003-2024 Yamaha YZ250
2022-2023 Yamaha YZ250 Monster Energy Yamaha Racing Edition
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