Key performance

55 ch
Power
🔧
449 cc
Displacement
⚖️
111 kg
Weight
💺
965 mm
Seat height
6.1 L
Fuel capacity
💰
9 799 €
New price
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Technical specifications

Changements 2023 2022
Power
59.0 ch (43.4 kW) 55.0 ch (40.5 kW)
Final drive
Chain (final drive) Chain   (final drive)
Rear wheel travel
315 mm (12.4 inches) 318 mm (12.5 inches)
Front brakes
Single disc. Hydraulic. Single disc. Hydraulic.
Rear brakes
Single disc. Hydraulic. Single disc. Hydraulic.
Front tyre
80/100-21 80/100-21
Rear tyre
120/80-19 120/80-19
Ground clearance
351.00 mm 330.00 mm
Length
2179.00 mm 2184.00 mm
Width
831.00 mm 826.00 mm
Height
1275.00 mm 1285.00 mm
Weight
108.90 kg 111.10 kg
New price
10 399 € 9 799 €

Engine

Displacement
449 cc
Power
55.0 ch (40.5 kW)
Engine type
Single cylinder, four-stroke
Cooling
Liquid
Compression ratio
13.0:1
Bore × stroke
97.0 x 60.9 mm (3.8 x 2.4 inches)
Valves/cylinder
4
Camshafts
2 ACT
Fuel system
Injection. Mikuni® fuel injection, 44mm
Valve timing
Double Overhead Cams/Twin Cam (DOHC)
Lubrication
Wet sump
Ignition
TCI: Transistor Controlled Ignition
Starter
Electric

Chassis

Frame
Bilateral beam frame, aluminum
Gearbox
5-speed
Final drive
Chain   (final drive)
Clutch
Multiplate wet clutch
Front suspension
KYB Speed-Sensitive System, inverted fork: fully adjustable
Rear suspension
KYB® single shock; fully adjustable
Front wheel travel
310 mm (12.2 inches)
Rear wheel travel
318 mm (12.5 inches)

Brakes

Front brakes
Single disc. Hydraulic.
Rear brakes
Single disc. Hydraulic.
Front tyre
80/100-21
Rear tyre
120/80-19

Dimensions

Seat height
965.00 mm
Wheelbase
1486.00 mm
Ground clearance
330.00 mm
Length
2184.00 mm
Width
826.00 mm
Height
1285.00 mm
Fuel capacity
6.06 L
Weight
111.10 kg
New price
9 799 €

Overview

How do you get a cross-country weapon onto the street without raising suspicion? Yamaha has its answer with this YZ450F Monster Energy Edition, a track beast dressed in the colors of the official team. At nearly €10,000, you’re not buying a simple motorcycle, but a Grand Prix dream piece, a nod to Jeremy Seewer’s machines. The look is uncompromising: matte black, electric blue, and Monster Energy logos everywhere. It’s aggressive, it screams competition, and that’s exactly the goal.

Yamaha YZ450F Monster Energy

Underneath this factory disguise, you’ll find the proven technical base of the YZ450F, itself revolutionized in 2020. The 449 cm³ four-stroke engine, with its 55 horsepower, remains a benchmark in terms of power-to-weight ratio. Putting a helmet on this monster reveals an engine of rare responsiveness, paired with a bilateral aluminum frame of precise rigidity. All this for a featherweight claimed weight of 111 kilograms when ready to ride, a crucial figure when launching the machine into high corners or jumps.

The true strength of this special edition lies in its equipment. The fully adjustable KYB suspensions, DID rims, and gold chain are not just aesthetic bluff. They participate in offering handling and feel worthy of the highest level. But the technological gem is the Power Tuner application. Via his smartphone, the rider can adjust the engine mapping live, at the edge of the track, to adapt to the soil of the day. Coupled with the Launch Control System for cannon-like starts, this makes this Yamaha a tool of formidable precision.

Who is it for? Clearly for the assiduous motocross practitioner who wants the best of the series, tinged with the aura of the GP. The enlightened amateur rider will find a machine more performant than him, but terribly rewarding to tame. On the other hand, its 6-liter tank and purely competition character strictly limit it to the track. Faced with a KTM 450 SX-F or a Husqvarna FC 450, the Yamaha plays the card of electronic sophistication and a perhaps more progressive character, without yielding anything in bite.

Ultimately, this Monster Energy Edition is much more than just a makeover. It is proof that the cutting-edge technology of factory teams is slowly filtering down to the general public. It’s not cheap, but for those who live for the crisp clack of gear changes and the smell of tilled earth, it represents the fulfillment of a passion. A machine that doesn’t forgive, but renders pure sensations what it demands in commitment.

Indicators & positioning

Weight-to-power ratio
0.49 ch/kg
🔧
Volumetric power
120.7 ch/L
In category Cross / motocross · 225-898cc displacement (383 motorcycles compared)
Power 54 ch Top 32%
17 ch median 47 ch 63 ch
Weight 111 kg Lighter than 35%
103 kg median 109 kg 132 kg
P/W ratio 0.49 ch/kg Top 26%
0.13 median 0.46 0.58 ch/kg

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