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Athena P400210100023 Big Bore Cylinder Kit (163.5cc) - 3.00mm Oversize to 69.00mm, 12.1:1 Compression


Generally ships to addresses in the contiguous United States the same business day if ordered by 12:15PM Central Time!

Bore: 69.00mm
Compression: 12.1:1 Compression
Sizing: 3.00mm Oversize

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.
Crankshaft Power: 28.4 HP / 12,250 RPM
Honda CRF150R 2007-2009
Honda CRF150R Expert 2007-2009

Please Note: