Engine Valve Pair for Yamaha YFM600 Grizzly (1998-2001) — aftermarket replacement valves designed to restore proper valve timing and sealing for reliable engine performance. This pair includes both intake and exhaust valves and is sold as an aftermarket replacement. Intake and exhaust valves are sold in pairs, and two pairs are required to complete one cylinder, ensuring you have the correct quantity for multi-valve engines. Fits Yamaha YFM600 Grizzly models produced from 1998 through 2001.

Vehicle Fitment

 

Product Specifications

 

OEM Cross-Reference Information

*OEM cross-reference numbers are provided for reference purposes only. The primary part numbers shown are based on Yamaha's typical 600cc engine numbering patterns used during this period. 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 Yamaha YFM600 Grizzly models (1998–2001).

• OEM Cross-Reference: Cross-references Yamaha 600cc engine component patterns; valve seals confirmed compatible with PROX part 35.VS016 .

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

• Complete Cylinder Coverage: Two pairs required to fully valve one cylinder (four valves total).

• Proven Engine Family: The YFM600 shares valve train architecture with Yamaha's established XT600 and TT600 engines , ensuring proven design reliability.

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

• Aftermarket Support: Ongoing availability of related components like valve stem seals confirms continued market support for this engine .

Important Note on Quantity:
This valve set is sold in pairs (one intake + one exhaust). The Yamaha YFM600 Grizzly engine requires two pairs (four valves total) to complete one cylinder. Please ensure you purchase the appropriate quantity for your engine rebuild.

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—valve stem seals are available separately for this engine .

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

• Verify valve stem clearance falls within factory specifications.

• Follow manufacturer torque specifications for assembly.

Why Upgrade?
Worn or burnt valves can cause low compression, hard starting, rough running, and loss of power. Restore your Yamaha YFM600 Grizzly engine's performance with this quality aftermarket valve pair, designed to keep you riding with confidence.

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