For Honda TRX400EX 1999-2008 Cylinder Piston Camshaft Gasket Top End Rebuild Kit

Top End Rebuild Kit for Honda

This top end rebuild kit for a Honda TRX400EX (1999-2008) includes a cylinder, piston, camshaft, and gaskets to refresh the upper engine assembly.

Overview

This top end rebuild kit delivers the core components needed to restore a worn Honda TRX400EX upper engine, including a cylinder, piston, camshaft, and gasket set. Designed for the 1999-2008 TRX400EX, the rebuild kit supports a full top end service when compression loss or valve wear is present. This top end rebuild kit is meant for Honda owners and mechanics replacing engine wear items on the TRX400EX.

Built For Performance

• Includes cylinder, piston, camshaft, and gasket set for a comprehensive top end service
• Designed for the Honda TRX400EX engine platform from 1999-2008
• Piston and cylinder help restore compression and engine output
• Camshaft controls valve lift and timing during engine operation
• Gasket set provides sealing surfaces for the cylinder and head areas

Fits These Machines

• for Honda TRX400EX (1999-2008)

On-The-Job Use

• Rebuilding the top end of a Honda TRX400EX during an engine overhaul
• Replacing a worn cylinder and piston to bring back lost compression
• Installing a camshaft to restore proper valve timing on the TRX400EX
• Using fresh gaskets to seal the cylinder head and barrel after reassembly

Specs At A Glance

Good To Know

Q: What does this top end rebuild kit include? A: The kit includes a cylinder, piston, camshaft, and gasket set for the Honda TRX400EX. These parts are intended to replace worn upper engine components.

Q: How do these components work together? A: The piston moves within the cylinder to generate compression, while the camshaft operates the valves and the gaskets seal the top end. Together they help restore normal engine operation.

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