ProX Piston Kits are precision-engineered replacements designed for high-performance engines, utilizing the same low-expansion, low-friction alloy used by leading Japanese manufacturers. Manufactured on state-of-the-art CNC machinery, this piston kit is built to match OEM standards for a wide range of vehicles, including motorcycles, ATVs, scooters, and more. This specific ProX Piston Kit features a 97.00mm bore and a compression ratio of 12.5:1.

Features

• Precision CNC-machined piston


• Made from low-expansion, low-friction alloy


• Suitable for motorcycles, scooters, mopeds, ATVs, and personal watercraft

Specifications

• Bore Size: 97.00mm


• Compression Ratio: 12.5:1

Cross-Reference OEM Part Numbers

• 1SL-116A0-00-00


• 1SL-11631-00-00


• 33D-11603-00-00


• 93450-19052-00


• 33D-11633-00-00


• PROX 01.2444.A

Vehicle Fitments

• Yamaha WR 450 F 2016–2018


• Yamaha YZ 450 F 2014–2017


• Yamaha YZ 450 FX 2016–2018