Key performance
Technical specifications
Engine
- Displacement
- 449 cc
- Engine type
- Single cylinder, four-stroke
- Cooling
- Liquid
- Compression ratio
- 12.3 : 1
- Bore × stroke
- 95.0 x 63.4 mm (3.7 x 2.5 inches)
- Valves/cylinder
- 5
- Camshafts
- 2 ACT
- Fuel system
- Injection
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC)
- Lubrication
- Wet, multidisc
- Ignition
- CDI
- Starter
- Electric
Chassis
- Frame
- Single-backbone, semi-double-cradle frame
- Gearbox
- 5-speed
- Final drive
- Chain (final drive)
- Front suspension
- Inverted fork
- Rear suspension
- Single shock
- Rear wheel travel
- 305 mm (12.0 inches)
Brakes
- Front brakes
- Single disc. Hydraulic
- Rear brakes
- Single disc. Hydraulic
- Front tyre
- 90/90-21
- Front tyre pressure
- 1.00 bar
- Rear tyre
- 130/90-18
- Rear tyre pressure
- 1.00 bar
Dimensions
- Seat height
- 960.00 mm
- Fuel capacity
- 7.95 L
- New price
- 8 200 €
Overview
If you think a large enduro should be a heavy, unwieldy brute, the 2012 Yamaha WR450F challenges that idea with a frame whose dimensions resemble those of a 250. Yamaha took the risky gamble of miniaturizing its beast, with a wheelbase shortened by 25 mm and a seat height lowered to 960 mm. The result is a machine that turns like a trial bike on winding trails, where its redesigned mass centralization makes the difference. For the enduro rider seeking agility above all else, this evolution is a revolution.

The heart of the WR450F remains its faithful 449 cm³ five-valve single-cylinder engine, but for 2012, it switches to fuel injection. This change is not a gimmick: it guarantees consistent response despite sudden changes in altitude and temperature, a real plus for raids or long races. The toolkit even includes a Power Tuner, allowing modification of the mapping at nine different points. This is a rare level of personalization on a production machine, foreshadowing the systems we will see on the Yamaha WR450F 2023 or 2024 models. The competition kit, with its exhaust resonator inspired by the MXGP YZ models, clearly shows the ambition of this motorcycle: to be a serious base for the rider who wants to ride on a closed circuit or even try a conversion to supermoto.
The chassis is the true battleground of this generation. The new aluminum double-beam frame, inspired by the YZ250F, is more compact and redefines aggression in corners. The suspension, with an inverted 48 mm fork and a single-sided swingarm, benefits from enduro-specific settings, offering a softer initial travel for maneuverability, without sacrificing stability at speed. Compared to a KTM 450 EXC of the time, the WR450F may seem less explosive on corner exits, but it gains in precision and ease of placement. Its 7.95-liter fuel tank, larger than that of the YZ450F, gives it a small logistical advantage for hikes, even if long-distance rally enthusiasts will often look to specific conversions or later models like the Yamaha WR450F rally replica.
In everyday use, this 2012 Yamaha WR450F is an intelligently compromised machine. The Pro-Taper handlebar, black Excel rims, and petal discs give it an immediate "factory" look. The grippy seat and wide footpegs are details that count after several hours of riding. Its price of €8200 at the time positioned it as a serious option against European competition. For the modern rider looking for a used Yamaha WR450F, this year 2012 represents an interesting entry point into an enduro with remarkable agility, before considering the more radical evolutions of the Yamaha WR450F 2020 or 2024. It is not the most powerful, nor the lightest, but it possesses an intelligence of the chassis that makes riding intuitive, which, in technical enduro, is often the key.
Practical info
- La moto est accessible aux permis : A
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