Yamaha YZ 125 [2005–2021] – Piston Set (Cast Replica)

VERTEX piston set (cast replica) for Yamaha YZ 125

The VERTEX piston set is specially designed for the 2-stroke engine of the Yamaha YZ 125. This set includes a standard E size replica cast piston with a moly coating on the piston skirt. The piston bore is 54.00 mm, the piston diameter is 53.97 mm and the engine displacement is 125 cc.

Technical characteristics

• Brand: VERTEX
• Version: Replica cast pistons
• Coating of piston skirt: Moly coating
• Bore size: 54.00mm
• Piston size: Standard size E
• Piston diameter: 53.97mm
• Piston material: Aluminum alloy, cast
• Piston ring material: Steel with nitride coating
• Engine type: 2-stroke
• Number of pieces: kit

The aluminum alloy piston is a cast piston, which is a robust and durable alternative to forged pistons. The moly coating on the piston skirt ensures reduced friction in the cylinder and helps optimize mileage. The piston rings are made of nitride-coated steel, which minimizes wear and ensures a good sealing effect.

Use and installation

The piston set is intended for use in the 125 cc 2-stroke engine of the Yamaha YZ 125. The precise dimensions and high-quality workmanship enable precise installation. It is recommended that the installation be carried out by a specialist to ensure optimal function and service life.

The piston set is delivered as a complete kit and contains all the necessary components for replacing the piston and piston rings. The use of original parts ensures high compatibility and reliability in operation.