Key performance
Technical specifications
- Power
- — → 59.0 ch (43.4 kW)
- Compression ratio
- 12.5 : 1 → 13 : 1
- Fuel system
- Injection ø 44 mm → Injection Ø 44 mm
- Frame
- Périmétrique en aluminium → Semi double berceau en alu
- Rear suspension
- Mono-amortisseur, déb : 310 mm → Mono-amortisseur, déb : 315 mm
- Front brakes
- Freinage 1 disque Ø 250 mm, étrier 2 pistons → Freinage 1 disque Ø 270 mm, étrier 2 pistons
- Rear brakes
- Freinage 1 disque Ø 245 mm, étrier simple piston → Freinage 1 disque Ø 240 mm, étrier simple piston
- Rear tyre
- 110/90-19 → 120/80-19
- Seat height
- 999.00 mm → 965.00 mm
- Weight
- 111.00 kg → 109.00 kg
- New price
- 8 699 € → 10 099 €
Engine
- Displacement
- 450 cc
- Power
- 59.0 ch (43.4 kW)
- Engine type
- Monocylindre, 4 temps
- Cooling
- liquide
- Compression ratio
- 13 : 1
- Bore × stroke
- 97 x 60.8 mm
- Valves/cylinder
- 4
- Camshafts
- 2 ACT
- Fuel system
- Injection Ø 44 mm
Chassis
- Frame
- Semi double berceau en alu
- Gearbox
- boîte à 5 rapports
- Final drive
- Chaîne
- Front suspension
- Fourche téléhydraulique inversée Ø nc, déb : 310 mm
- Rear suspension
- Mono-amortisseur, déb : 315 mm
Brakes
- Front brakes
- Freinage 1 disque Ø 270 mm, étrier 2 pistons
- Rear brakes
- Freinage 1 disque Ø 240 mm, étrier simple piston
- Front tyre
- 80/100-21
- Rear tyre
- 120/80-19
Dimensions
- Seat height
- 965.00 mm
- Fuel capacity
- 6.20 L
- Weight
- 109.00 kg
- New price
- 10 099 €
Overview
When it comes to motocross, the debate about 450 supremacy is often decided by the technical specifications. But the latest Yamaha YZ 450 F, the 2023 model, seeks to change the game by putting the rider, and not just the mechanics, back at the center of the equation. For a little over €10,000, Yamaha isn't just selling a 59 horsepower machine; it's offering a riding philosophy. The goal is clear: to make the 109 kg fully fueled weight and the 965 mm seat height disappear, leaving only a feeling of symbiosis with the track.

The heart of this evolution beats under a new engine block, a complete overhaul of this reverse-cylinder head single. The idea wasn't to gain horsepower at all costs, but to make them more docile, more exploitable. The power, up by approximately 5%, is delivered with remarkable linearity, and the maximum RPM gains 500 revolutions. It's not a brute that thuds, it's a high-precision tractor. The centralization of mass, with its front intake and rear exhaust, contributes to this impression of a compact motorcycle, almost agile despite its category. It's far from some more nervous, sometimes brutal competitors; here, the Yamaha YZ 450 F 2023 prioritizes control and traction.
This quest for maneuverability also involves a surgical slimming treatment. Every gram has been chased away, from the new Vortex airbox to the redesigned aluminum bilateral frame. The result is 2.3 kg less than the previous model, reaching that famous weight of 109 kg. On paper, compared to a KTM or a Husqvarna, the figure may seem insignificant, but on the track, the difference is felt. Body movements are faster, transfers are cleaner. The redesigned, thinner fairing, and the flatter seat complete the convincing: this motorcycle is made to move with its rider, not against him.

Yamaha has also intelligently played the card of accessible electronics. The adjustable traction control and launch control system are not mere gadgets, but genuine performance aids, controllable via the Power Tuner app. This is a real plus for the enlightened enthusiast who wants to refine his settings without getting a headache. Combined with KYB suspensions with simplified manual adjustment, these technologies make this YZ 450 F an surprisingly accessible machine for those who already master the basics of cross.

So, who is this Yamaha YZ 450 F for? Certainly not the perfect beginner, intimidated by its size and power. On the other hand, for the intermediate or confirmed cross rider looking for an efficient, predictable, and incredibly well-finished machine, it represents a significant argument. It forgives more than an Austrian bike, while offering enormous performance potential. It's a competition weapon that has chosen intelligence over brute force alone, a successful bet to stay ahead in the fierce race of the 450s.
Reviews & comments
No reviews yet. Be the first to share your opinion!