Namura Standard Bore Piston Kit Size B (66.95mm) for Suzuki RM250 1989-1995 67mm

Namura Standard Bore Piston Kit for Suzuki

This aftermarket piston kit, sized B (66.95mm) for Suzuki RM250 motorcycles from 1989 to 1995, provides a standard 67mm bore to restore engine performance. It replaces worn OEM pistons in two-stroke dirt bike engines.

Overview

The Namura standard bore piston kit for Suzuki is a direct replacement for RM250 two-stroke engines. This piston kit includes size B (66.95mm) components for precise fitment. It is ideal for riders restoring their classic motocross bike's top end.

Built For Performance

• Manufactured from cast aluminum alloy for durability
• Includes quality piston rings for proper compression
• Machined to exact specifications for Suzuki RM250
• Lightweight design reduces reciprocating mass
• Features a smooth skirt coating for reduced friction
• Designed for high-revving two-stroke applications

Fits These Machines

• for Suzuki RM250 (1989-1995)

On-The-Job Use

• Commonly used in motocross and off-road racing
• Ideal for top-end rebuilds on Suzuki RM250 engines
• Suitable for trail riding and competitive events
• Used as a replacement during engine restoration projects

Specs At A Glance

Good To Know

Q: What is the difference between size B and standard? A: Size B refers to the piston diameter group, typically 66.95mm, used for precise fitment in cylinders that have been honed or have minimal wear. Always measure your cylinder bore before selecting piston size.

Q: Can this kit be used in other Suzuki models? A: This kit is specifically designed for the RM250 model years listed. It is not recommended for other models without verifying compatibility.

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