A forged “C” size piston kit engineered to match the OEM 12.5:1 compression ratio for a nominal 97.00 mm bore. The piston measures 96.97 mm (+0.02 mm) and the kit is supplied complete with piston, ring set, wrist pin and circlips.

Features

• Forged aluminium construction for high strength


• Hard-anodised crown to improve heat resistance and reduce carbon build-up


• Molybdenum disulphide (MOS2) skirt coating to reduce friction and assist running-in


• Precision CNC-machined crown for consistent combustion shape


• Supplied with piston, rings, wrist pin and circlips

Specifications

• Piston size: 96.97 mm (+0.02 mm), “C” size


• Nominal bore: 97.00 mm


• Compression ratio: 12.5:1


• Piston type: forged


• Ring set reference: NX-40046R


• Manufacturer reference: FX-40046-C


• Approximate kit weight: 0.568 kg


• Engine configuration: 4-stroke single-cylinder

Cross-Reference OEM Part Numbers

• 33D-116A0-00-00


• 33D-11631-00-00


• 33D-11603-00-00


• 33D-11633-00-00


• 93450-19052-00

Vehicle Fitments

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  Yamaha YZ450F 2010–2013