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

Piston set (Pro Race) from VERTEX for Yamaha WR 125

The piston set (Pro Race) from VERTEX is specially designed for the 2-stroke engine of the Yamaha WR 125. This set includes high quality components designed for precise fit and reliable performance. The pistons are manufactured in standard size B and are suitable for a bore size of 54.00 mm, with the actual piston diameter being 53.94 mm.

Technical features

• Piston material: Aluminum alloy, cast
• Piston skirt coating: Moly coating to reduce friction and wear
• Piston rings: Steel with nitride coating for increased durability
• Compression ratio: Default
• Displacement: 125cc
• Version: Race cast piston
• Number of pieces: Complete kit

Properties and area of application

The piston set is designed as a kit and contains all the necessary parts for replacing or repairing the piston system in the engine of the Yamaha WR 125. The use of cast aluminum alloy achieves a good balance between stability and weight. The moly coating on the piston skirt provides improved lubrication and reduces wear during operation.

The piston rings are made of steel with a nitride coating, which improves the sealing effect and extends the service life of the components. The standard size and compression ratio ensure easy installation and compatibility with the original engine concept.

This product is part of the Engine Group and belongs to the Piston + Ring Kits category. It is designed for use in 2-stroke engines and supports maintenance or performance optimization of the Yamaha WR 125.