CYLINDER PISTON GASKET KIT W/ CAMSHAFT 85mm FOR HONDA For TRX 400EX 1999-2008

Cylinder Piston Gasket Kit with Camshaft 85mm for Honda

This 85mm cylinder piston gasket kit with camshaft is a complete top-end rebuild set that restores compression and valve timing on your machine. It bundles the cylinder, piston, gaskets, and camshaft so you can complete the job with matched components.

Overview

This cylinder piston gasket kit with camshaft is built for riders who need a full top-end refresh in one box. The 85mm bore piston and cylinder pair with the included camshaft and sealing set to bring back lost power. It suits DIY mechanics and shops working on Honda TRX 400EX machines from 1999 through 2008.

Built For Performance

• 85mm bore cylinder matched to the piston for a balanced top end
• Camshaft included to replace worn lobes and restore valve lift
• Full gasket set seals the cylinder, head, and base joints
• Piston rings and wrist pin supplied for a complete rebuild
• Machined surfaces support consistent compression
• Kit format cuts the time spent sourcing separate parts

Fits These Machines

• for Honda TRX 400EX 1999
• for Honda TRX 400EX 2000
• for Honda TRX 400EX 2001
• for Honda TRX 400EX 2002
• for Honda TRX 400EX 2003
• for Honda TRX 400EX 2004
• for Honda TRX 400EX 2005
• for Honda TRX 400EX 2006
• for Honda TRX 400EX 2007
• for Honda TRX 400EX 2008

On-The-Job Use

• Top-end rebuilds after loss of compression or oil burning
• Trail and dune riding where dependable power matters
• Shop work on Honda TRX 400EX machines
• Seasonal maintenance refresh on high-hour engines

Specs At A Glance

Good To Know

Q: Do I need to check piston-to-cylinder clearance before assembly? A: Yes, always verify clearance and ring end gap against your service manual before final assembly. Proper measurement prevents scoring and premature wear.

Q: Is this kit a direct replacement for my worn top end? A: It is designed to replace the cylinder, piston, gaskets, and camshaft as a matched set on the listed machines. Confirm your model year and bore size before ordering.

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