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Athena P400485100012 Big Bore Cylinder Kit (290cc) - 6.00mm Oversize to 83.00mm, 12.5:1 Compression

SKU: 4108584

Athena P400485100012 Big Bore Cylinder Kit (290cc) - 6.00mm Oversize to 83.00mm, 12.5:1 Compression

Athena
$1,040.08
$1,040.08 $1,142.95
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Shipping calculated at checkout.
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This is a pre order item. We will ship it when it comes in stock.
REAR WHEEL HORSE POWER: 36.9 HP / 9.800 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:

2001-2009 Yamaha WR250F
2011-2012 Yamaha WR250F
2001-2007 Yamaha YZ250F
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