Namura Standard Bore Piston Kit for Yamaha 660 Raptor, Grizzly & Rhino 100mm

Namura Standard Bore Piston Kit for Yamaha 660 Raptor, Grizzly & Rhino

This aftermarket piston kit from Namura is a direct replacement for Yamaha 660 Raptor, Grizzly, and Rhino models, restoring engine compression and performance.

Overview

The Namura standard bore piston kit replaces the factory piston in Yamaha 660 Raptor, Grizzly, and Rhino engines. It provides a reliable rebuild solution for ATV and UTV applications. This kit restores power and extends engine life.

Built For Performance

• Precision-machined from high-silicon aluminum alloy
• Includes piston, rings, wrist pin, and circlips
• Standard bore size matches OEM specifications
• Designed for Yamaha 660 Raptor, Grizzly, and Rhino
• Rigorous quality control for consistent performance

Fits These Machines

• for Yamaha 660 Raptor
• for Yamaha Grizzly 660
• for Yamaha Rhino 660

On-The-Job Use

• Restores engine compression during top end rebuilds
• Suitable for trail riding, utility work, and recreational off-road use
• Ideal for replacing worn pistons in high-mileage engines
• Commonly used in ATV and UTV repair shops

Specs At A Glance

Good To Know

Q: Does this piston kit fit my Yamaha 660 Raptor? A: Yes, it is designed for the Yamaha 660 Raptor as well as Grizzly and Rhino models, but confirm your engine serial number for compatibility.

Q: What is included in the kit? A: The kit includes a piston, rings, wrist pin, and circlips for a comprehensive rebuild.

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