Namura .060 Over Bore Piston Kit for Honda CR80R & CR80RB fits 1986-2002 48.5mm

Namura .060 Over Bore Piston Kit for Honda

The Namura .060 over bore piston kit is an aftermarket replacement for Honda CR80R and CR80RB engines, designed to restore compression and performance.

Overview

This .060 over bore piston kit from Namura is specifically engineered for Honda CR80R and CR80RB models from 1986 to 2002. It utilizes a 48.5mm bore size to revive engine power and reliability, making it a top choice for riders during top-end rebuilds. The piston kit delivers consistent performance for both motocross and trail riding.

Built For Performance

• Precision-machined from high-silicon aluminum alloy for strength and heat dissipation
• Includes complete ring set with chrome top ring for reduced wear
• Molybdenum-coated skirts minimize friction and scuffing
• High-strength wrist pin and circlips included for secure installation
• Oversized .060 over bore accommodates cylinder wear and restores proper clearance

Fits These Machines

• for Honda CR80R (1986-2002)
• for Honda CR80RB (1986-2002)

On-The-Job Use

• Restoring top-end power in competition motocross bikes
• Rebuilding engines for off-road trail riding and enduro events
• Replacing worn pistons during routine top-end service
• Improving throttle response and engine reliability

Specs At A Glance

Good To Know

Q: Does this piston kit come with a wrist pin? A: Yes, the kit includes a wrist pin and circlips for a complete installation.

Q: What oil-to-fuel ratio should I use with this piston? A: A 32:1 ratio with a high-quality synthetic two-stroke oil is recommended for optimal lubrication.

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