Get ready to conquer the toughest terrain with the 2025 Yamaha YZ450FX – the ultimate cross-country beast! Built off the championship-winning YZ450F platform, the FX adds a wide-ratio transmission, larger fuel tank, and off-road-tuned suspension, making it the perfect weapon for GNCC, enduro, and trail domination. Lightweight, powerful, and packed with advanced tech, the YZ450FX delivers unbeatable value and race-proven performance. At Silverthorne Powersports, your local family-owned and operated dealership, we’re proud to be an authorized Yamaha, CF Moto, and Stark Future dealer, offering top-tier sales, parts, service, and rentals. With a 4.8-star Google rating and 96% Facebook rating, riders trust us to fuel their passion. Visit us at 128 10th St, Silverthorne, CO 80498
- 2025
- Yamaha
- YZ450FX
- Base
- Off-Road
- DOHC 4-stroke; 4 titanium valves
- 450cc
- liquid-cooled
- 97.0mm
- 60.9mm
- 13.0:1
- Mikuni® fuel injection, 44mm
- 5-speed; multiplate wet clutch
- Chain
- KYB® spring-type fork with speed sensitive damping; fully adjustable, 11.8-in travel
- KYB® single shock; fully adjustable, 12.0-in travel
- 11.8-in travel
- 12.0-in travel
- Hydraulic disc, 270mm
- Hydraulic disc, 240mm
- 80/100-21 Dunlop® Geomax MX33F
- 120/90-18 Dunlop® Geomax MX33
- 57.9 in
- 37.6 in
- 27°/4.8 in
- 13.0 in
- 85.4 in x 32.5 in x 49.8 in
- 2.1 gal
- 251 lbs
- 30 Day (Limited Factory Warranty)
- $10,199.00
- $10,199.00
- $9,749.00
- Silverthorne, Colorado
- New
- 01993
- 2025
- Yamaha
- YZ450FX
- JYACJ36C9SA001993
- 5-speed; multiplate wet clutch
- Available