High-quality aftermarket engine valve pair designed for Honda TRX90 small‑engine platforms. This kit includes one intake valve and one exhaust valve, sold as a pair, optimized to restore proper airflow, sealing, and performance during top‑end maintenance or rebuilds. Built to meet or exceed OEM specifications while delivering reliable operation across Honda's TRX90 family. Manufacture: Aftermarket.

Compatibility spans Honda TRX90 models from 1993 to 2006 and TRX90EX models from 2007 to 2008, making this valve pair a versatile choice for mixed fleets or multi-year repairs.

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 Honda TRX90 (1993–2006) and TRX90EX (2007–2008) models .

• OEM Cross-Reference: Cross-references genuine Honda part numbers 14711-GN5-912 and 14711-GN5-913 for confident replacement .

• Proven Aftermarket Support: Western Power Sports (WPS) offers high-quality OEM-type replacement valve sets (68-18212) specifically manufactured for these models in Japan, featuring hard-coated valve stems for improved wear resistance .

• WPS Quality: These valve sets are manufactured in Japan and designed to save money over OEM prices while maintaining quality standards. Each set contains one intake valve and one exhaust valve .

• Sold in Pairs: Each pair includes one intake and one exhaust valve for balanced valvetrain replacement.

• Complete Cylinder Coverage: For the TRX90 engine, two sets must be ordered to complete one cylinder (four valves total) .

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

Installation Notes:

• Two valve sets are required to complete one cylinder for the TRX90 engine .

• 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.

• Service manuals are available for these models and provide detailed cylinder head and valve service procedures .

Why Upgrade?
Worn or burnt valves can cause low compression, hard starting, rough running, and loss of power—frustrations that spoil a ride. Restore your Honda TRX90 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.