Namura .060 Over Bore Piston Kit for Yamaha 1993-2001 YZ80 48.5mm

Namura .060 Over Bore Piston Kit for Yamaha

This Namura .060 over bore piston kit is a direct replacement piston assembly designed for Yamaha YZ80 models from 1993 to 2001, featuring a 48.5mm bore size for increased displacement.

Overview

The Namura .060 over bore piston kit provides a reliable and performance-enhancing piston upgrade for Yamaha YZ80 motorcycles. This replacement piston kit is engineered to restore compression and power after a cylinder bore. It is a direct fit for 1993–2001 Yamaha YZ80 models and offers a cost-effective alternative to OEM components.

Built For Performance

• Constructed from high-strength aluminum alloy for lightweight durability
• Designed for .060 over bore to increase displacement and power
• Precision-machined piston skirt for reduced friction
• Includes piston rings and wrist pin for complete installation
• Heat-treated for improved wear resistance

Fits These Machines

• for Yamaha YZ80 (1993–2001)

On-The-Job Use

• Motocross racing on Yamaha YZ80
• Off-road trail riding and enduro competitions
• Replacement engine rebuilds for high-performance two-stroke engines
• Dirt track and hare scramble events

Specs At A Glance

Good To Know

Q: Does this piston kit require any modifications to install? A: Yes, the cylinder must be bored to .060 oversize and honed to match the piston clearance specifications.

Q: Can this piston kit be used on other Yamaha models? A: This kit is specifically designed for the YZ80 model range; other models require different part numbers.

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