43,669 bikes · 493 makes Add a bikeLog inRegister
Motocross Bikes

2019Yamaha YZ450F

Rate this bike
Click to vote

43 fields on record

The 2019 Yamaha YZ450F is a premium 450cc motocross bike engineered for competitive and advanced amateur riders seeking top-tier performance. Known for its powerful engine, responsive handling, and championship-level reliability, it delivers exceptional acceleration and control on demanding terrain. With electric starting, lightweight construction at 111.1 kg, and Dunlop MX3S tires, it excels in competitive racing environments.

Capacity
449.7 ccm
Engine
Single, four-stroke
Gearbox
5-speed
Dry weight
99.3 kg
Seat height
975 mm
Power
56.0 HP (41.2 kW)
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2019 Yamaha YZ450F

vs the 2018
Spec20182019
Torque — 41.7 Nm (4.3 kgf-m or 30.8 ft.lbs) @ 7510 RPM
Fuel capacity 7.60 litres (2.01 US gallons) 6.10 litres (1.61 US gallons)
Compression 12.5:1 12.8:1
Other years 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 71Agility 88Comfort 40Off-road 97Touring 15Road manners 20
Off-road & trail97%
Cornering88%
City riding10%
Daily riding10%
Touring10%
Two-up5%
Track90%
Best for
Built purely for motocross racing and hard off-road riding, excelling on tracks and rough terrain rather than street use.
Built for
Sharp, high-revving, and razor-responsive, it rewards committed, active riding with explosive acceleration and precise cornering manners.
Not ideal for
It is not suited for commuting, touring, passengers, or casual low-speed street riding due to its lack of lights, mirrors, and road-going comfort features.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 975mm, a rider of 175cm with a 79cm (estimated) inseam will not reach the ground comfortably on the 2019 Yamaha YZ450F, with a cramped knee angle of around 85 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

Find bikes that fit your height →

Full specifications

Engine
Capacity
449.7 ccm
Power
56.0 HP (41.2 kW)
Torque
41.7 Nm (4.3 kgf-m) @ 7510 RPM
Engine type
Single, four-stroke
Power/weight ratio
0.5639 HP/kg (dry)
Bore x stroke
97.0 x 60.8 mm
Compression
12.8:1
Cooling system
Liquid
Fuel system
Injection
Starting
Electric
Ignition
TCI
Valves per cylinder
4
Lubrication system
Wet sump
Transmission
Gearbox
5-speed
Transmission type
Manual
Final drive
Chain
Clutch
Multiplate wet clutch
Dimensions & weight
Wheelbase
1486 mm
Overall length
2184 mm
Overall width
826 mm
Overall height
1285 mm
Seat height
975 mm
Dry weight
99.3 kg
Wet weight
111.1 kg
Fuel capacity
6.10 litres
Ground clearance
335 mm
Oil capacity
1.00 litres
Chassis & suspension
Frame
Bilateral beam frame
Front suspension
KYB Speed-Sensitive System, inverted fork: fully adjustable
Rear suspension
KYB® single shock; fully adjustable
Front wheel travel
310 mm
Rear wheel travel
315 mm
Rake (fork angle)
27.3°
Trail
119 mm
Brakes & wheels
Front brakes
Single disc. Hydraulic.
Front brakes diameter
270 mm
Rear brakes
Single disc. Hydraulic.
Rear brakes diameter
245 mm
Front tyre
80/100-21
Rear tyre
120/80-19
Other
Color options
Team Yamaha Blue, White
Comments
Torque is a rear-wheel dyno figure.

Specs last verified against published sources: .

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 200420102016201920212027
Capacity 449 cc 449 cc 449 cc 450 cc 449 cc 450 cc
Dry weight 97 kg 99 kg 99 kg 99 kg 99 kg 99 kg
Seat height 995 mm 998 mm 975 mm 975 mm 965 mm 965 mm
Fuel capacity 6.8 L 6.1 L 7.6 L 6.1 L 6.1 L 6.1 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

—
☆☆☆☆☆
Be the first to rate
MotorcycleDB

The 2019 Yamaha YZ450F is a powerful and versatile motocross bike that delivers top-notch performance on the track. With its advanced suspension and handling, this motorcycle offers a smooth and controlled ride, allowing riders to tackle tight corners and challenging jumps with confidence. The YZ450F also features a high-revving engine that delivers impressive power, making it a top choice for riders looking to dominate the competition.

In addition to its exceptional performance, the 2019 Yamaha YZ450F boasts a sleek and aggressive design that is sure to turn heads at the track. Its bold graphics and striking color options make for a visually stunning motorcycle that stands out from the crowd. Overall, the YZ450F is a top-tier motocross bike that delivers on both style and performance, making it a top choice for riders of all skill levels.

Own one? Add it to My Garage and write an owner review with an Owner badge.

Common questions

What is the engine size of the Yamaha YZ450F?

The 2019 Yamaha YZ450F has a Capacity of 449.7 ccm (27.44 cubic inches).

What engine power does the Yamaha YZ450F have?

The 2019 Yamaha YZ450F has a Power of 56.0 HP (41.2 kW).

How many gears does the Yamaha YZ450F have?

The 2019 Yamaha YZ450F has a Gearbox of 5-speed.

What is the torque of the Yamaha YZ450F?

The 2019 Yamaha YZ450F has a Torque of 41.7 Nm (4.3 kgf-m or 30.8 ft.lbs) @ 7510 RPM.

How much does the Yamaha YZ450F weigh?

The 2019 Yamaha YZ450F has a Dry weight of 99.3 kg (218.9 pounds).

Shop this bike

Affiliate links

We may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.

Similar bikes

Same category, weighted similarity

More Yamaha Motorcycles