The 2025 Yamaha YZ450FX is a purpose-built off-road motorcycle designed to excel in cross-country racing and enduro competition. Built on the foundation of the renowned YZ450F motocross bike, the YZ450FX boasts a powerful 450cc four-stroke engine renowned for its broad power delivery and exceptional top-end performance. This engine is paired with a wide-ratio five-speed transmission, optimized for the demands of off-road terrain. The YZ450FX also features a lightweight and compact chassis, offering agile handling and precise cornering. Equipped with long-travel suspension, a large fuel tank, and off-road specific tires, the YZ450FX is ready to conquer challenging trails and endure long distances.
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Brand |
Yamaha |
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Model |
YZ450FX 2025 |
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Status |
Available |
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Release Date |
2025 |
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Engine |
|
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Engine Type |
450cc liquid-cooled DOHC 4-stroke; 4 titanium valves |
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Bore x Stroke |
97.0mm × 60.9mm |
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Compression Ratio |
13.0:1 |
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Fuel Delivery |
Mikuni fuel injection, 44mm |
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Ignition |
- |
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Transmission |
5-speed; multiplate wet clutch |
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Final Drive |
Chain |
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Chassis |
|
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Suspension / Front |
KYB spring-type fork with speed sensitive damping; fully adjustable, 11.8-in travel |
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Suspension / Rear |
KYB single shock; fully adjustable, 12.0-in travel |
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Brakes / Front |
Hydraulic disc, 270mm |
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Brakes / Rear |
Hydraulic disc, 240mm |
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Tires / Front |
80/100-21 Dunlop Geomax MX33F |
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Tires / Rear |
120/90-18 Dunlop Geomax MX33 |
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Dimensions |
|
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L x W x H |
85.4 in x 32.5 in x 49.8 in |
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Seat Height |
37.6 in |
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Wheelbase |
57.9 in |
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Rake (Caster Angle) |
27° |
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Trail |
4.8 in |
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Maximum Ground Clearance |
13.0 in |
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Fuel Capacity |
2.1 gal |
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Fuel Economy |
- |
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Wet Weight |
251 lb |
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Warranty |
|
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Warranty |
30 Day (Limited Factory Warranty) |
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