Namura .040 Over Bore Top End Rebuild Kit for Honda XR400R fits 1996-2004 86mm

Top End Rebuild Kit for Honda XR400R

This .040 over bore top end rebuild kit for Honda XR400R fits 1996-2004 models with an 86mm piston, providing all necessary components to restore cylinder compression and performance.

Overview

This top end rebuild kit for Honda XR400R includes a .040 over bore piston, rings, and gaskets to refresh the engine on 1996-2004 models. Designed for the XR400R, this 86mm top end rebuild kit for Honda restores lost compression and power after high mileage or wear. The top end rebuild kit for Honda XR400R is a complete solution for a reliable engine overhaul.

Built For Performance

• Includes .040 over bore 86mm piston for increased displacement
• Complete gasket set for a proper seal during reassembly
• High-quality piston rings for optimal compression
• Precision-machined components for consistent fitment
• Designed for 1996-2004 Honda XR400R models

Fits These Machines

• for Honda XR400R (1996-2004)

On-The-Job Use

• Off-road trail riding and enduro racing
• Dirt bike restoration and engine rebuilding
• High-mileage engine refresh projects

Specs At A Glance

Good To Know

Q: Does this kit include everything needed for a top end rebuild? A: Yes, this top end rebuild kit for Honda XR400R includes the piston, rings, and gaskets, but you may need additional items like a cylinder hone or new wrist pin depending on your engine condition.

Q: Is this kit compatible with a standard bore cylinder? A: No, this is a .040 over bore kit requiring the cylinder to be bored to 86mm to match the piston size.

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