Wiseco 1969CS Piston Rings 50.00mm Suzuki RM85 RM85L (02-23) Yamaha YZ80 (84-92)

Wiseco Performance 2-Stroke Piston Rings - 1969CS (50.00mm)

Restore your engine's compression and performance with a genuine Wiseco replacement ring set. These "CS" style rings are engineered from high-temperature steel alloy with a chrome-faced finish to reduce friction and maximize durability in extreme racing conditions.

Key Features:

• CS Style Ring: Single chrome-faced high-temperature steel alloy ring.

• Precision Seal: Designed for exceptional geometry and ring seal to provide sustained peak performance.

• Bore Compatibility: Intended for use in Cast Iron, Nikasil, Boron Composite, and Electrofusion bores (Not for use in Chrome-plated bores).

⚠️ IMPORTANT FITMENT NOTE: These rings are designed EXCLUSIVELY for use with Wiseco Pistons. They will not fit OEM or other aftermarket brands. Always measure your cylinder bore before ordering to ensure the 50.00mm size is correct for your application.

Fitment Check

This ring set (1969CS) is confirmed to fit the following models when equipped with a Wiseco piston:

Suzuki

• RM85: 2002 – 2023

• RM85L: 2003 – 2012

Yamaha

• YZ80: 1984 – 1992

Other Applications

• DRR DRX 90 / 90 LTD: 2008 – 2019

Shipping Note:  We ship to the lower 48 states.