Yamaha YZ450F Monster Energy Specs (Top Speed | Horsepower | Weight)

The Yamaha YZ450F Monster Energy motorcycle specifications include a 449 cc (27.40 cu in) engine, a 5-speed gearbox, and a listed weight of 111.1 kg (245 lb).

Key specifications

2021-2023Model years
449 ccDisplacement
111.1 kgWet weight
965 mmSeat height
6.1 LFuel tank
1,486 mmWheelbase
330 mmGround clearance
Model years covered
202120222023
Year-specific specification changes

The 2021 model is treated as the standard specification. Only later model years with a different supplied value are shown below.

Wet weight
2023108.9 kg (240 lb)
Ground clearance
2023351 mm (13.8 inches)
Overall height
20221,285 mm (50.6 inches)
Overall length
20232,179 mm (85.8 inches)
Overall width
2023831 mm (32.7 inches)
Rake
2022202326.9°
Rear wheel travel
2023315 mm (12.4 inches)
Wheels
2022Dunlop® Geomax tyres
2023Dunlop® Geomax MX33 tyres

How the Yamaha YZ450F Monster Energy compares

This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.

Displacement449 cc
Low 49 ccAverage 550 ccHigh 1,852 cc

About 18% lower than the Yamaha database average. Around the 51st percentile across Yamaha models.

Wet weight111.1 kg
Low 72.1 kgAverage 186.3 kgHigh 348.7 kg

About 40% lighter than the Yamaha database average. Around the 17th percentile across Yamaha models.

Seat height965 mm
Low 635 mmAverage 793 mmHigh 989 mm

About 22% taller than the Yamaha database average. Around the 96th percentile across Yamaha models.

Fuel capacity6.1 L
Low 4 LAverage 13 LHigh 24 L

About 54% smaller than the Yamaha database average. Around the 15th percentile across Yamaha models.

This model Yamaha database average

Yamaha database percentile rankings

Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.

Displacement51st

449 cc — larger displacement than about 51% of Yamaha models.

Wet weight17th

111.1 kg — heavier than about 17% of Yamaha models, or lighter than about 83%.

Seat height96th

965 mm — taller than about 96% of Yamaha models.

Fuel capacity15th

6.1 L — larger than about 15% of Yamaha fuel tanks in this database.

Dimensions compared with Yamaha average

Each measurement is compared with the average value across Yamaha models where that dimension is available.

Overall length2,184 mm
This bike

2,184

Yamaha avg

2,082

5% above average.

Overall width826 mm
This bike

826

Yamaha avg

823

Close to average.

Overall height1,275 mm
This bike

1,275

Yamaha avg

1,172

9% above average.

Wheelbase1,486 mm
This bike

1,486

Yamaha avg

1,416

5% above average.

Seat height965 mm
This bike

965

Yamaha avg

793

22% above average.

Ground clearance330 mm
This bike

330

Yamaha avg

181

83% above average.

Mechanical overview

Engine layout snapshot

Single cylinder, four-stroke • 449 cc • Liquid cooled
Chassis snapshot

Wheelbase 1,486 mmSeat 965 mmClearance 330 mm
5-speed • Chain (final drive) • 80/100-21 front / 120/80-19 rear

Additional useful specifications

Front tire size 80/100-21
Rear tire size 120/80-19
Front tire width 80 mm
Front tire aspect ratio 100%
Front rim diameter 21 in
Rear tire width 120 mm
Rear tire aspect ratio 80%
Rear rim diameter 19 in
Bore/stroke ratio 1.59:1 (Oversquare)

Model information

Category Cross / motocross

Engine specifications

Engine type Single cylinder, four-stroke
Displacement 449 cc (27.40 cu in)
Bore × stroke 97.0 x 60.9 mm (3.8 x 2.4 inches)
Compression ratio 13.0:1
Valves per cylinder 4
Cooling system Liquid
Fuel system Injection. Mikuni® fuel injection, 44mm
Fuel control Double Overhead Cams/Twin Cam (DOHC)
Ignition TCI: Transistor Controlled Ignition
Starter Electric
Lubrication Wet sump

Transmission and drivetrain

Gearbox 5-speed
Final drive Chain (final drive)
Clutch Multiplate wet clutch

Chassis and suspension

Frame Bilateral beam frame, aluminum
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)
Rake 27.0°
Trail 119 mm (4.7 inches)

Brakes, wheels and tires

Front brakes Single disc. Hydraulic.
Rear brakes Single disc. Hydraulic.
Front tire 80/100-21
Rear tire 120/80-19
Wheels Dunlop® MX33® tyres

Dimensions and weight

Wet weight 111.1 kg (245 lb)
Seat height 965 mm (38.0 inches)
Overall length 2,184 mm (86.0 inches)
Overall width 826 mm (32.5 inches)
Overall height 1,275 mm (50.2 inches)
Wheelbase 1,486 mm (58.5 inches)
Ground clearance 330 mm (13.0 inches)

Fuel and emissions

Fuel capacity 6.06 L (1.60 US gal)

Other specifications

Color options Team Yamaha Blue/green
Seat Long, two-tone, motocross-style seat
Factory warranty 30 Day Limited Factory Warranty
Price as new US$ 9599. MSRP depends on country, taxes, accessories, etc.
Comments Special Monster Energy Yamaha Racing Edition. Launch control. Power Tuner via smartphone.

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.