Key performance
Technical specifications
- Power
- 55.0 ch (40.5 kW) → —
- Compression ratio
- 12.8 : 1 → 12.5 : 1
- Fuel system
- Injection Ø 44 mm → Injection ø 44 mm
- Frame
- Semi double berceau en alu → Périmétrique en aluminium
- Rear suspension
- Mono-amortisseur, déb : 317 mm → Mono-amortisseur, déb : 310 mm
- Front brakes
- Freinage 1 disque Ø 270 mm, étrier 2 pistons → Freinage 1 disque Ø 250 mm, étrier 2 pistons
- Rear tyre
- 120/80-19 → 110/90-19
- Seat height
- 980.00 mm → 999.00 mm
- Fuel capacity
- 6.00 L → 6.20 L
- New price
- 9 199 € → 7 999 €
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 nc, 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
- 7 999 €
Overview
Imagine a machine so refined that its evolutions are measured to the centimeter and the gram. The Yamaha YZ 450 F 2013 is exactly that: a motocross legend that, once its DNA is forged, simply refines its handling year after year. Compared to the 2012 version, the change is almost imperceptible, limited to a slightly retouched decoration and new stickers. But when you start from such a level, revolution is no longer necessary, only the perfection of detail counts.

The heart of this beast is its engine. A 449.7 cm³ four-valve single-cylinder, skillfully inclined rearward. This architecture, with its inverted intake, is not just a publicity stunt. It allows for optimal cylinder filling and, above all, a radical mass centralization that changes everything in tight corners. The bike leans with a disconcerting neutrality. The injection, revised for this model year, provides an even more responsive and direct throttle response. This is far from the sluggish big single-cylinder engines of yesteryear; here, the power is precise, immediate, and always under control.
This controlled aggression rests on a chassis that is just as well thought out. The perimeter aluminum frame is a masterpiece of compromise, combining the rigidity necessary for the track with a certain elasticity that absorbs lateral impacts. Combined with generous suspension (310 mm of travel all around), it offers stability in a straight line and grip in bumps that inspires absolute confidence. With an announced weight of 111 kg fully fueled, the Yamaha YZ 450 F is in the lightweight class, a decisive advantage for chaining jumps and changes of direction.

Who is it for? Clearly, for the dedicated practitioner. Whether you are an enlightened amateur aiming for the podium in a regional championship or a demanding leisure riding enthusiast, this motorcycle is a pure competition tool. Its 6.2-liter fuel tank and 5-speed gearbox limit it to the circuit or marked trails. It is a weapon, not a touring motorcycle. Its price at the time, 7999 euros, positioned it at the top of the range, justified by its technology. Today, if you are looking for a used model, know that the price of a Yamaha YZ 450 F 2015 or 2016 in France remains substantial, a testament to its robustness. More recent models, such as the YZ 450 F 2024 or even the YZ 450 F 2025, have evolved, but this generation has laid a solid foundation.

Its only flaw? Perhaps this character is a little too sharp for a perfect beginner. It requires commitment and technique to be fully appreciated. But for those who know how to tame it, it offers raw sensations and formidable effectiveness. Compared to its rivals of the time, it stood out for this intuitive handling, inherited from its revolutionary engine architecture. A machine that has not aged and continues to define what a true 450 motocross bike is.
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