Yamaha YZ 125 [PROX] – cast piston set

PROX cast piston set for Yamaha YZ 125

The PROX cast piston set was developed specifically for the 2-stroke engine of the Yamaha YZ 125. It consists of a piston and matching piston rings, which are delivered as a set. The pistons are made of an aluminum alloy and have a cast design, which ensures high durability.

Technical features

• Piston diameter: 53.97mm (standard size C)
• Piston material: Aluminum alloy, cast
• Piston skirt coating: Moly coating to reduce friction and wear
• Piston ring material: Steel
• Engine type: 2-stroke
• Version: Replica cast pistons

Properties and use

The cast piston set is suitable as a replacement part for the Yamaha YZ 125 and offers a precise fit thanks to the standard size C. The moly coating on the piston skirt contributes to better sliding and supports a longer piston life under the high loads of a 2-stroke engine.

The set includes pistons and piston rings that are optimally coordinated with each other. The use of steel rings ensures a reliable seal in the combustion chamber and contributes to engine performance.

Scope of delivery

• 1 piston
• Matching piston rings

The PROX cast piston set is part of the ENGINE GROUP and belongs to the PISTON + RING KITS product type category. It is suitable for use in maintenance and repair of the Yamaha YZ 125 2-stroke engines.