Yamaha WR 125 [PROX] – piston kit for 4-stroke

Piston kit for 4-stroke engines from PROX

The piston kit from PROX is specially designed for 4-stroke engines and is suitable for use in the Yamaha WR 125. It is a complete piston set in standard size C, which is made of high-quality materials and has been precisely tailored to the technical requirements.

Technical details

• Brand: PROX
• Engine type: 4-stroke
• Bore size: 95.00mm (standard)
• Piston size: 94.97mm
• Displacement: 450cc
• Compression ratio: 12,5:1
• Piston material: Aluminum alloy
• Coating of piston skirt: uncoated
• Number of pieces: Kit (piston + rings)

Product description

The piston kit consists of a piston and the associated piston rings, which together ensure optimal function in the engine. The piston skirt is uncoated, which is a proven design for use in standard engines. The aluminum alloy ensures low weight while maintaining high strength and thermal conductivity.

The precise manufacturing with a piston size of 94.97 mm and a bore of 95.00 mm guarantees precise assembly and reliable operation. The compression ratio of 12.5:1 supports efficient combustion and contributes to the engine's performance.

The piston kit is designed for use in the Yamaha WR 125 and represents a suitable replacement solution to maintain or restore engine condition. It is part of the Engine Group and belongs to the Piston + Ring Kits product category.