Camshaft Cylinder Piston Gasket Top End Kit for Honda TRX400EX TRX400X 1999-2008

Product Overview

This aftermarket replacement top end kit is intended for Honda TRX400EX and TRX400X applications from 1999 through 2008 and includes a camshaft, cylinder, piston, and gasket set. A top end kit of this type provides the cylinder, piston, gasket, and camshaft components used when servicing the upper section of a four-stroke engine. The cylinder and piston form the combustion chamber, while the camshaft controls valve timing so the engine can draw in air and fuel and release exhaust gases.

Key Features & Performance

• Top end kit intended for the listed Honda TRX400EX and TRX400X applications
• Camshaft included to operate the valve train as part of the upper engine assembly
• Cylinder and piston set supplied for upper engine service
• Gasket set included for sealing the top end components during reassembly
• Suited to replacement of the cylinder, piston, or camshaft when the original component requires service

Fitment & Compatibility

• for Honda TRX400EX 1999-2008 applications
• for Honda TRX400X 1999-2008 applications

Common Uses

• Replacing a worn, scored, or damaged cylinder and piston
• Servicing the upper engine assembly during a top end rebuild
• Restoring normal valve train operation after camshaft wear or failure

Technical Specifications

• Product Type: Top End Kit with Camshaft
• Part Number: Camshaft Cylinder Piston Gasket Top End Kit
• Model Application(s): Honda TRX400EX, Honda TRX400X
• Engine Application(s): 400EX, 400X
• General Application: 1999-2008

Frequently Asked Questions

Q: What does a top end kit with camshaft do? A: A top end kit supplies the cylinder, piston, gasket, and camshaft components used to service the upper section of a four-stroke engine, where the cylinder and piston form the combustion chamber and the camshaft controls valve timing.

Q: How do I verify fitment? A: Compare the complete existing part number and the complete equipment model designation, such as TRX400EX or TRX400X, against the numbers and models supplied in this listing before ordering.

Closing Notice

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.