The 2025 Yamaha YFZ450R stands out as a championship-grade sport ATV. Built for high-revs and precision, it features a 449 cc liquid-cooled engine with five titanium valves, a 95.0 mm × 63.4 mm bore/stroke, and a 5-speed transmission with assist & slipper clutch .
The chassis combines lightweight aluminum and steel for rigidity and agility. Dual-wishbone front suspension with Kashima-coated shocks (9.8 in travel) and a fully adjustable cast-aluminium swingarm rear (11.0 in travel) give sharp handling. With a wet weight of approximately 405 lb (≈184 kg) and compact dimensions (70.7″ L × 48.8″ W × 41.9″ H) it’s built to perform. yamaha-motor.ca
This ATV is not just built for speed—it’s built to win. Whether you’re racing, pushing trail limits, or tuning for performance, the YFZ450R is tuned for result. Full Throttle Motorsports delivers complete packages including optional upgrades, support parts, and world-wide shipping.
Key Features
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449 cc DOHC engine with five titanium valves for high rev power.
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Lightweight aluminum/steel frame for optimized mass centralization.
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Race-tuned suspension (front independent double wishbone, rear cast aluminium swingarm).
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5-speed transmission with assist & slipper clutch for smoother shifts and better cornering.
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Ready for competition or custom build with Full Throttle support.
Specifications
| Category | Specification |
|---|---|
| Engine | Liquid-cooled DOHC 4-stroke, 5 titanium valves bidlemanharley |
| Displacement | 449 cc |
| Bore × Stroke | 95.0 mm × 63.4 mm yamaha-motor.ca |
| Compression Ratio | 11.8 : 1 yamaha-motor.ca |
| Transmission | 5-speed; wet multiplate assist & slipper clutch |
| Front Suspension | Independent double wishbone w/ 9.8″ travel bidlemanharley-davidson.com |
| Rear Suspension | Cast aluminium swingarm w/ 11.0″ travel bidlemanharley-davidson.com |
| Wet Weight | ~405 lb (≈184 kg) yamaha-motor.ca |
| Dimensions (L×W×H) | 70.7″ × 48.8″ × 41.9″ apexcycle.ca |
| Fuel Capacity | 2.6 gal approx. Yamaha Motorsports |
| Warranty | 6 Month Limited Factory Warranty |
Why Buy from Full Throttle Motorsports
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Authorized supplier with genuine Yamaha sport ATV stock and upgrades
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Expert support for parts, tuning and international shipping
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Competitive pricing and global delivery options
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Dedicated service for trailers, parts packages and race prep
Order the 2025 Yamaha YFZ450R and enjoy free delivery.
