Key performance
Technical specifications
- Height
- 1275.00 mm → 1285.00 mm
- New price
- 9 499 € → 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.

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.
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