12004-S004 Intake Valve for Kawasaki KFX 400 2003-2006 KFX400

Intake Valve for Kawasaki KFX 400

This intake valve replaces OEM 12004-S004 and regulates air and fuel mixture flow on the Kawasaki KFX 400 engine from 2003 through 2006.

Overview

This intake valve is a direct-fit replacement for the Kawasaki KFX 400, controlling the intake charge entering the combustion chamber. It is intended for top-end rebuilds and valve service on the 2003-2006 KFX400, helping restore proper sealing and compression. The intake valve suits riders and mechanics working on the KFX 400 four-stroke engine.

Built For Performance

• Precision-ground valve face for a consistent seat seal
• Heat- and wear-resistant alloy suited to intake temperatures
• Correct stem diameter to match factory valve guides
• OEM cross-reference 12004-S004 for easy verification
• Manufactured to factory dimensions for drop-in installation

Fits These Machines

• for Kawasaki KFX 400 2003
• for Kawasaki KFX 400 2004
• for Kawasaki KFX 400 2005
• for Kawasaki KFX 400 2006

On-The-Job Use

• Top-end rebuilds on the KFX 400 engine
• Restoring compression on high-hour sport quads
• Valve and seat service alongside exhaust valve replacement
• Trail and track riding on the KFX 400

Specs At A Glance

Good To Know

Q: Does this intake valve replace my original part directly? A: It is cross-referenced to OEM 12004-S004 and designed to fit the KFX 400 engine as a replacement intake valve. Confirm your engine serial and existing part number before ordering.

Q: Should the exhaust valve be replaced at the same time? A: When servicing the top end it is common practice to replace intake and exhaust valves together along with the valve seals. This helps maintain even sealing across the cylinder head.

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