Namura Standard Bore Top End Rebuild Kit for Honda TRX400EX & TRX400X 85mm

Standard Bore Top End Rebuild Kit for Honda

This aftermarket top end rebuild kit from Namura is designed for Honda TRX400EX and TRX400X ATVs, delivering a complete set of components to restore cylinder compression and performance with an 85mm bore size.

Overview

This top end rebuild kit from Namura provides everything needed to rebuild the cylinder and piston assembly on Honda TRX400EX and TRX400X ATVs. Featuring a standard 85mm bore, the kit includes a piston, rings, wrist pin, and gaskets for a reliable rebuild. It is an ideal solution for restoring power and extending the life of your ATV engine.

Built For Performance

• High-quality cast piston for consistent performance
• Precision-machined cylinder sleeve ensures proper fit
• Durable piston rings provide excellent compression
• Complete gasket set included for a leak-free seal
• Wrist pin and circlips included for easy installation

Fits These Machines

• for Honda TRX400EX
• for Honda TRX400X

On-The-Job Use

• Rebuilding worn-out top end on Honda ATVs
• Restoring compression and power after high mileage
• Preparing for racing or recreational riding
• Replacing damaged piston or cylinder components

Specs At A Glance

Good To Know

Q: What is included in the kit? A: The kit includes a piston, rings, wrist pin, circlips, and a full set of gaskets for a complete top end rebuild.

Q: Will this fit my Honda TRX400X? A: Yes, this kit is specifically designed for the TRX400X model with an 85mm bore, but always verify your serial number for compatibility.

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