Namura .060 Over Bore Top End Rebuild Kit for Honda CR80R fits 1986-1991 48.5mm

.060 Over Bore Top End Rebuild Kit for Honda

This Namura .060 over bore top end rebuild kit provides a complete piston and cylinder assembly for Honda CR80R dirt bikes from 1986 to 1991, featuring a 48.5mm bore size and .060 overbore for increased displacement.

Overview

The Namura .060 over bore top end rebuild kit is designed to refresh the cylinder and piston on Honda CR80R models. This kit includes the piston, rings, wrist pin, and circlips for a reliable top-end overhaul, sized at 48.5mm with .060 overbore.

Built For Performance

• High-silicon aluminum alloy piston for strength and thermal stability
• Precision-ground rings for optimal compression and oil control
• Includes wrist pin and circlips for secure assembly
• .060 oversize increases displacement for improved torque
• Engineered to match OEM geometry for straightforward installation

Fits These Machines

• for Honda CR80R (1986-1991)

On-The-Job Use

• Motocross racing and off-road competition
• Trail riding and recreational dirt biking
• Engine rebuilds for worn or damaged top-end components
• Performance restoration of classic Honda CR80R bikes

Specs At A Glance

Good To Know

Q: Will this kit work on a 1987 Honda CR80R? A: Yes, this kit fits 1986-1991 Honda CR80R models, including the 1987. Confirm your engine serial number for exact compatibility.

Q: Does the kit include a cylinder? A: No, this is a top end rebuild kit that includes the piston, rings, wrist pin, and circlips. The cylinder is not included and must be reused or replaced separately.

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