Engine Valve Pair for Kawasaki KLF400 Bayou (1993-1999) and KVF400 Prairie (1997-2002) is a premium aftermarket replacement set engineered to restore proper valve timing and engine performance. This kit includes both intake and exhaust valves, supplied as pairs, and is designed to match OEM specifications for reliable sealing and longevity under demanding off-road use.

Vehicle Fitment

Product Specifications

OEM Cross-Reference Information

OEM cross-reference numbers are provided for reference purposes only. Always verify fitment using your machine's exact model, year, and original part number before ordering.

Why Choose This Aftermarket Valve Pair?

• Direct-Fit Compatibility: Precision-engineered for Kawasaki KLF400 Bayou (1993–1999) and KVF400 Prairie (1997–2002) models, including 4x4 variants .

• OEM Cross-Reference: Cross-references genuine Kawasaki part numbers and is validated by Vesrah aftermarket fitment data .

• Proven Aftermarket Support: Vesrah, a respected aftermarket brand, manufactures compatible intake (GG-4034-IN) and exhaust (GG-4034-EX) valves specifically for these models .

• Vesrah Quality: Vesrah valves are manufactured using automated processes with strict quality control, ensuring quality equal to or better than OEM equipment .

• Sold in Pairs: Each pair includes one intake and one exhaust valve.

• Complete Cylinder Coverage: Two pairs are required to fully valve one cylinder for the KLF400/KVF400 engine configuration.

• Demanding Conditions: Engineered to meet OEM specifications for reliable sealing and longevity under demanding off-road use.

• Restores Performance: New valves improve compression, combustion efficiency, and overall engine output.

Installation Notes:

• Always check valve-to-guide clearance during installation.

• Inspect valve seats and recut or replace if necessary.

• Use new valve seals and springs where recommended.

• Properly lap valves to ensure a gas-tight seal.

• Verify valve stem clearance falls within factory specifications.

• Follow manufacturer torque specifications for assembly.

• For complete engine rebuilds, consider replacing related valvetrain components simultaneously.

Why Upgrade?
Worn or burnt valves can cause low compression, hard starting, rough running, and loss of power—frustrations that cut into work time or spoil a ride. Restore your Kawasaki 400cc engine's performance with this quality aftermarket valve pair, designed to keep you working and riding with confidence.

Order your engine valve pair today and get back on the trail with confidence.