Key performance

59 ch
Power
🔧
450 cc
Displacement
⚖️
109 kg
Weight
💺
965 mm
Seat height
6.2 L
Fuel capacity
💰
10 399 €
New price
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Technical specifications

Changements 2021 2023
Power
55.0 ch (40.5 kW) 59.0 ch (43.4 kW)
Rear suspension
Mono-amortisseur, déb : 317 mm Mono-amortisseur, déb : 315 mm
Fuel capacity
6.00 L 6.20 L
Weight
112.00 kg 109.00 kg
New price
9 499 € 10 399 €

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
10 399 €

Overview

How do you evolve a legend without betraying its DNA? Yamaha chose the path of purity for its 2023 YZ 450 F, focusing not on stifling technological complexity, but on the rider's feel. This approach, almost philosophical for a motocross bike, gives birth to a machine where every gram removed and every Newton-meter gained are dedicated to a single idea: the fusion between man and beast. The Monster Energy Racing Edition version, with its black bodywork striped with electric blue, is just the icing on the cake, a striking aesthetic finish that doesn't change the mechanics. You have to spend a little more for this factory makeover, which remains a purely cosmetic argument.

Yamaha YZ 450 F Monster Energy Edition

Beneath this aggressive fairing beats a radically redesigned heart. The 450 cm³ single-cylinder engine has been refined, compacted, and lightened, gaining 5% of power and a redline raised by 500 rpm. The power curve is more linear, easier to exploit, especially for an amateur rider who doesn't have the wrist of a champion. With only 109 kg fully fueled, or 2.3 kg less than before, and a 6.2-liter tank, the Yamaha ranks among the lightest in its class. This is not just a specification sheet; it’s an immediate sensation on the track: the bike changes direction with disconcerting agility, and seems to disappear beneath you when you need to maneuver to attack a corner or control a bump.

The chassis, a redesigned aluminum twin-spar frame, offers controlled rigidity, while the suspension benefits from new settings and valves. The ergonomics have been scrutinized: narrower fairing, flatter seat, and better-integrated tank. Everything is designed so that the rider, whether a professional or an enlightened amateur, can move without restraint. Yamaha has even integrated a three-mode traction control system and a launch control system, discreet electronic aids that can secure the exit from a sliding corner without infantilizing the ride.

Who is this 59 horsepower beast for? Clearly for the demanding motocross rider, whether competing in a club or national competition, who is looking for a ready-to-use, precise, and incredibly lively machine. Faced with a KTM 450 SX-F or a Honda CRF450R, the YZ focuses on maneuverability and progressive power rather than brute aggression. Its weakness? A price that flirts with €10,400, a significant investment for a machine dedicated to a single use. But for those who live for the full-throttle circuits, every euro is justified by this feeling of absolute control. The YZ 450 F 2023 is not a revolution, it is a perfect, accomplished evolution. It proves that progress sometimes comes through simplicity and listening to the rider.

Indicators & positioning

Weight-to-power ratio
0.53 ch/kg
🔧
Volumetric power
129.4 ch/L
In category Cross / motocross · 225-899cc displacement (383 motorcycles compared)
Power 58 ch Top 22%
17 ch median 47 ch 63 ch
Weight 109 kg Lighter than 52%
103 kg median 109 kg 132 kg
P/W ratio 0.53 ch/kg Top 18%
0.13 median 0.46 0.58 ch/kg

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