Key performance
Technical specifications
- Displacement
- 449 cc → 450 cc
- Engine type
- Single cylinder, four-stroke → Monocylindre, 4 temps
- Cooling
- Liquid → liquide
- Compression ratio
- 12.3:1 → 12.5 : 1
- Bore × stroke
- 95.0 x 63.4 mm (3.7 x 2.5 inches) → 97 x 60.8 mm
- Valves/cylinder
- — → 4
- Camshafts
- — → 2 ACT
- Fuel system
- Carburettor. Keihin FCR37H → Injection ø 44 mm
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC) → —
- Lubrication
- Dry sump → —
- Ignition
- CDI → —
- Starter
- Kick → —
- Frame
- — → périmétrique en aluminium
- Gearbox
- 5-speed → boîte à 5 rapports
- Final drive
- Chain (final drive) → Chaîne
- Clutch
- Wet, multiple-disc → —
- Front suspension
- Upside-down telescopic fork → Fourche téléhydraulique inversée Ø 48 mm, déb : 310 mm
- Rear suspension
- Swingarm (linked type monocross) → Mono-amortisseur, déb : 310 mm
- Front wheel travel
- 300 mm (11.8 inches) → —
- Rear wheel travel
- 125 mm (4.9 inches) → —
- Front brakes
- Single disc → Freinage 1 disque Ø 250 mm, étrier 2 pistons
- Rear brakes
- Single disc → Freinage 1 disque Ø 245 mm, étrier simple piston
- Front tyre
- 80/90-R21 → 80/100-21
- Rear tyre
- 110/90-19 → 110/90-19
- Seat height
- 998.00 mm → 999.00 mm
- Wheelbase
- 1495.00 mm → —
- Ground clearance
- 373.00 mm → —
- Length
- 2197.00 mm → —
- Width
- 815.00 mm → —
- Height
- 1300.00 mm → —
- Fuel capacity
- 7.00 L → 6.20 L
- Weight
- — → 111.00 kg
- Dry weight
- 99.80 kg → —
- New price
- — → 8 690 €
Engine
- Displacement
- 450 cc
- Engine type
- Monocylindre, 4 temps
- Cooling
- liquide
- Compression ratio
- 12.5 : 1
- Bore × stroke
- 97 x 60.8 mm
- Valves/cylinder
- 4
- Camshafts
- 2 ACT
- Fuel system
- Injection ø 44 mm
Chassis
- Frame
- périmétrique en aluminium
- Gearbox
- boîte à 5 rapports
- Final drive
- Chaîne
- Front suspension
- Fourche téléhydraulique inversée Ø 48 mm, déb : 310 mm
- Rear suspension
- Mono-amortisseur, déb : 310 mm
Brakes
- Front brakes
- Freinage 1 disque Ø 250 mm, étrier 2 pistons
- Rear brakes
- Freinage 1 disque Ø 245 mm, étrier simple piston
- Front tyre
- 80/100-21
- Rear tyre
- 110/90-19
Dimensions
- Seat height
- 999.00 mm
- Fuel capacity
- 6.20 L
- Weight
- 111.00 kg
- New price
- 8 690 €
Overview
Imagine a motor that doesn’t just propel, but sculpts the attitude of the motorcycle. That is the challenge of the Yamaha YZ 450 F 2011. With its 449.7 cm³ four-stroke engine tilted rearward, it overturns traditional logic. Injection is placed at the front, the exhaust at the rear, creating a more direct airflow and a redesigned center of gravity. This architecture, combined with a perimeter aluminum frame designed to be both rigid and supple, gives a machine weighing 111 kg that seems to live with the ground. Handling is no longer an attribute; it becomes the very essence of the motorcycle.

Weight is often discussed in motocross, and the figure of 111 kg fully fueled for this Yamaha YZ 450 F is a significant argument. But the real subject is the distribution of this mass. With a seat height of 999 mm, the position is engaged, and this centering of masses gives you a sense of permanent connection with the terrain. The 48 mm inverted fork and the single shock absorber, each offering 310 mm of travel, are not just components; they are mediators. They translate every imperfection of the ground into clear information, without betraying the power of the engine or the aggressiveness of your riding.
Compared to its contemporaries, the YZ 450 F 2011 does not play the card of brute horsepower figures. It plays the card of intelligent use of that power. The injection system, managed by a suite of sensors (TPS, pressure, temperature), adjusts the mixture in real time. And with the YZ Power Tuner accessory, an option at the time, the rider could refine the engine's behavior without a computer, to adapt the power curve to a muddy terrain or a hard surface. It was this ability to dialogue between the machine and the rider that was its strength.

Braking, with a 250 mm disc at the front and a 245 mm disc at the rear, was sufficient for a motorcycle of this agility, but some racers preferred the sharper feel of European competitors. The 6.2-liter tank also recalls that this motorcycle is a pure competition machine, designed for intensive sessions rather than endurance. Its audience is clear: the motocross rider seeking precision, reactivity, and a motorcycle that anticipates with him. It is not the easiest for a beginner, but for those who understand the language of the terrain, it becomes an instinctive extension.

Today, people often seek the price of a Yamaha YZ 450 F 2011 in France, and with an initial price of 8690 euros, it positioned itself as a technological reference. Evolutions, such as the Yamaha YZ 450 F 2020 or more recent models, have perfected this philosophy. But this 2011 generation wrote an important page. It proved that a motocross motorcycle could be a coherent system, where every element, from the specific spokes of the rear wheel to the streamlined design of the bodywork, conspires for a single purpose: to transform the track into a pure expression terrain. It was less a motorcycle than a riding proposition.
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