Wiseco 2205CS 56.00mm piston ring

The Wiseco 2205CS is a 56.00mm piston ring set designed specifically for use with Wiseco aftermarket pistons in 125cc two-stroke engines. It is a very common part for motocross and off-road motorcycles spanning several decades.

Core Specifications

• Bore Size: 56.00 mm

• Ring Type: CS-style (Chrome-faced steel)

• Compatibility: Fits Wiseco pistons only. It will not fit OEM or other aftermarket pistons.

• Bore Material Compatibility: Suitable for cast iron, Nikasil, boron composite, and electrofusion bores. Do not use in chrome-plated bores, as this can cause immediate engine damage.

Major Vehicle Fitment

This ring set is compatible with 125cc models from all "Big Five" manufacturers and several European brands. Common applications include:

Notable Product Options

Wiseco 2205CS Ring Set: The standard replacement ring set for a single piston. It's preferred for its durability and high-performance sealing in racing conditions.