Yamaha WR 125 [VERTEX] – Piston Set (Forged Race)

VERTEX piston set (forged race) for Yamaha WR 125

The VERTEX piston set is specially designed for the 2-stroke engine of the Yamaha WR 125. This set includes a standard size B forged race piston and matching piston rings. The bore size is 54.00 mm, the piston diameter is 53.94 mm. With a displacement of 125 cc, the piston set is optimally tailored to the technical requirements of the engine.

Technical features

• Piston material: Forged aluminum alloy
• Piston skirt coating: Molybdenum disulfide for reduced friction and improved wear protection
• Piston rings: Cast steel with nitride coating
• Compression ratio: Default
• Version: Race forged pistons
• Number of pieces: Complete kit

The use of forged aluminum ensures high strength and good thermal conductivity. The special molybdenum disulfide coating on the piston skirt helps minimize friction and wear, increasing piston life. The steel piston rings with nitride coating provide improved sealing performance and durability.

Application and advantages

The piston set is designed for use in the 2-stroke engine of the Yamaha WR 125 and supports the standard compression of the engine. Thanks to the precise manufacturing and high-quality materials, the set is suitable for replacement as part of maintenance or repair work.

The kit contains all the necessary components for replacing the piston and rings, allowing for easy and efficient assembly. The combination of material selection and coatings contributes to reliable function and a longer service life of the engine.

In summary, the VERTEX piston set (Forged Race) offers a technically sophisticated solution for repairing the Yamaha WR 125 engine while maintaining the original performance parameters.