Yamaha WR 125 [PROX] – forged piston set

PROX forged piston set for Yamaha WR 125

The forged piston set from PROX is specially designed for the 4-stroke engine of the Yamaha WR 125. It is made of high-quality materials and offers precise workmanship that meets the requirements of modern motorcycle engines.

Technical features

• Piston diameter: 94.96mm (standard size B)
• Piston material: Forged aluminum alloy
• Piston ring material: Steel
• Compression ratio: 12,5:1
• Engine type: 4-stroke
• Version: Replica forged pistons
• Scope of delivery: Complete piston set (pistons and rings)

The piston set is available as a kit and contains all the necessary components for replacing or repairing the piston system. The forged aluminum alloy ensures high strength and low weight. The steel rings ensure a reliable seal and a long service life.

The compression ratio of 12.5:1 supports efficient combustion and contributes to the engine's performance. The precise manufacturing and exact fit enable easy installation and optimal function in the engine block of the Yamaha WR 125.

Product group and use

The forged piston set belongs to ENGINE GROUP and is part of the PISTON + RING KITS product type category. It is suitable for use in 4-stroke motorcycle engines where a high quality piston set is required to maintain or restore engine performance and reliability.