Namura Piston Kit for Yamaha many XT225, TT-R225 & TT-R230 .040 Over Bore 71mm

Piston Kit for Yamaha XT225, TT-R225 & TT-R230

This piston kit, featuring a 0.040 over bore of 71mm, is designed to rebuild the engine of Yamaha XT225, TT-R225, and TT-R230 models, providing a reliable overbore replacement for worn cylinders. It is a direct-fit piston kit for Yamaha, ensuring proper clearance and performance.

Overview

This Namura piston kit with a 0.040 over bore (71mm) is built for Yamaha XT225, TT-R225, and TT-R230 motorcycles. It restores engine compression and power, making it an essential component for a top-end rebuild of these popular dual-sport and off-road bikes. The kit includes all necessary parts for installation.

Built For Performance

• Constructed from high-strength aluminum alloy for durability
• Precision-machined ring grooves ensure proper sealing
• Includes wrist pin, clips, and piston rings for complete installation
• Oversize design accommodates a bored cylinder

Fits These Machines

• for Yamaha XT225
• for Yamaha TT-R225
• for Yamaha TT-R230

On-The-Job Use

• Engine rebuilding for dual-sport and off-road riding
• Restoring power after cylinder boring to 71mm
• Replacing worn pistons during top-end maintenance

Specs At A Glance

Good To Know

Q: Does this kit include piston rings? A: Yes, the piston kit comes with rings, wrist pin, and circlips for a complete rebuild.

Q: Is this an oversize piston? A: Yes, it is 0.040 over the standard bore, allowing use after the cylinder has been bored to 71mm.

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