Namura .060 Over Bore Piston, Gasket Kit for Yamaha Raptor 660 2001-2005 101.5mm

Namura .060 Over Bore Piston & Gasket Kit for Yamaha

This aftermarket piston and gasket kit provides a .060 over bore (101.5mm) for Yamaha Raptor 660 engines built between 2001 and 2005, restoring lost compression and power.

Overview

The Namura .060 over bore piston and gasket kit is a complete replacement solution for Yamaha Raptor 660 models from 2001 to 2005. It includes a precision-machined piston at 101.5mm and a full set of gaskets needed for a top-end rebuild. This kit is intended for ATV owners performing a bore upgrade to refresh engine performance.

Built For Performance

• Machined from high-strength alloy for durability
• Precision .060 over bore (101.5mm) increases displacement slightly
• Includes complete gasket set for a reliable seal
• Designed to match Yamaha Raptor 660 specifications
• Wrist pin and circlips are typically included

Fits These Machines

• for Yamaha Raptor 660 (2001-2005)

On-The-Job Use

• Trail riding and recreational ATV use
• Racing and high-performance applications
• Engine rebuilds and top-end overhauls
• Restoring compression in worn engines

Specs At A Glance

Good To Know

Q: Does this kit include a wrist pin? A: Yes, most Namura piston kits include a wrist pin and circlips, but verify with the listing to be certain.

Q: Can I use this on a stock bore cylinder? A: No, this is a .060 over bore piston and requires the cylinder to be bored to 101.5mm by a professional machine shop.

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