Namura Size A (66.34mm) Piston Kit for Suzuki 2003-08 RM250 Standard Bore 66.40

Namura Size A (66.34mm) Piston Kit for Suzuki

The Namura Size A (66.34mm) Piston Kit is a high-performance replacement for the Suzuki RM250, featuring a standard bore of 66.40mm to restore compression and power in two-stroke engines.

Overview

The Namura Size A (66.34mm) Piston Kit is designed for the Suzuki RM250, providing a direct-fit solution for engine rebuilds. This piston kit delivers reliable compression and durability for motocross and off-road riding. With a standard bore of 66.40mm, it ensures precise fitment and consistent performance.

Built For Performance

• Precision-machined Size A piston with 66.34mm diameter
• Standard bore 66.40mm for factory-spec compression
• High-strength aluminum alloy construction for durability
• Includes piston rings and wrist pin for complete installation
• Designed for Suzuki RM250 2003-2008 engine compatibility

Fits These Machines

• for Suzuki RM250 (2003-2008)

On-The-Job Use

• Motocross racing and track days
• Off-road trail and enduro riding
• Engine top-end rebuilds and maintenance
• Competition and recreational two-stroke applications

Specs At A Glance

Good To Know

Q: Is this piston kit compatible with a 2005 RM250? A: Yes, it fits 2003-2008 Suzuki RM250 models. Confirm your cylinder bore measures 66.40mm before installation.

Q: Does the kit include a wrist pin bearing? A: The kit includes the piston, rings, and wrist pin; the wrist pin bearing is typically sold separately.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.