Athena Manufacturing

0931-0248

Athena Big Bore Cylinder Kit (290cc) - 6.00mm Oversize to 83.00mm, 12.5:1 Compression P400485100026

SKU: 248641

Pistons

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets
Forged piston black graphite or clear tin coating; includes 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

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets
Forged piston black graphite or clear tin coating; includes 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
REAR WHEEL HORSE POWER: 36.9 HP / 9.800 RPM

This Item Fits the Following Applications:
2008-2013 Yamaha YZ250F


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