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Motocross Bikes

2023GAS GAS MC 450F Factory

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The 2023 GAS GAS MC 450F Factory is a competition-focused motocross machine engineered for serious off-road racers and experienced riders seeking a lightweight, nimble alternative to heavier four-strokes. Its 449.9cc single-cylinder engine delivers strong mid-range power with excellent maneuverability, while premium Brembo brakes and precision handling make it ideal for technical terrain and tight track sections.

Capacity
449.9 ccm
Engine
Single, two-stroke
Gearbox
5-speed
Dry weight
103.4 kg
Seat height
950 mm
Power
56.0 HP (41.2 kW)
⇄ Compare with another bike + Add to garage All model years
Other years 2023 2024

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 9Agility 59Comfort 20Off-road 55Touring 5Road manners 5
Off-road & trail55%
Cornering20%
City riding5%
Daily riding5%
Touring5%
Two-up0%
Track5%
Best for
This is a small-displacement automatic minibike intended to introduce young children to off-road riding in a controlled, low-speed environment.
Built for
It behaves as a gentle, forgiving learner's dirt bike with simple carbureted two-stroke power delivery and no manual gearbox to worry about.
Not ideal for
This machine is not suitable for adult riders, highway use, touring, or anyone seeking real motocross performance.

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 950mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2023 GAS GAS MC 450F Factory, 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 →

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Full specifications

Engine
Capacity
449.9 ccm
Power
56.0 HP (41.2 kW)
Torque
45.7 Nm (4.7 kgf-m) @ 7400 RPM
Engine type
Single, two-stroke
Power/weight ratio
0.5416 HP/kg (dry)
Bore x stroke
95.0 x 63.4 mm
Cooling system
Liquid
Fuel system
Injection
Starting
Electric
Ignition
Keihin EMS
Transmission
Gearbox
5-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet, DDS multi-disc clutch, Brembo hydraulics
Dimensions & weight
Wheelbase
1490 mm
Overall length
2200 mm
Overall width
830 mm
Overall height
1260 mm
Seat height
950 mm
Dry weight
103.4 kg
Fuel capacity
7.90 litres
Ground clearance
370 mm
Chassis & suspension
Frame
Central double-cradle-type 25CrMo4 steel
Front suspension
WP XACT-USD, Ø 48 m
Rear suspension
WP XACT Monoshock with linkage
Front wheel travel
310 mm
Rear wheel travel
300 mm
Rake (fork angle)
26.1°
Brakes & wheels
Front brakes
Single disc. Two-piston calipers.
Front brakes diameter
260 mm
Rear brakes
Single disc. Single-piston caliper.
Front tyre
90/90-21
Rear tyre
140/80-18
Other
Color options
Red/blue/white/yellow
Comments
Factory Edition. Traction control. Launch control. 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 20232024
Capacity 450 cc 450 cc
Dry weight 103 kg 103 kg
Seat height 950 mm 950 mm
Fuel capacity 7.9 L 7.9 L

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

Rider Reviews

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MotorcycleDB

The 2023 GAS GAS MC 450F Factory is a top-of-the-line motocross bike that delivers exceptional performance and handling. With its powerful 450cc engine and advanced suspension system, this bike is designed for serious riders who demand the best. The Factory edition comes with premium components such as factory wheels, a 2.1-gallon fuel tank, and a Hinson clutch cover, making it a true contender on the track. Whether you're hitting the trails or competing in races, the MC 450F Factory is ready to take on any challenge.

Overall, the 2023 GAS GAS MC 450F Factory is an impressive motocross bike that offers top-tier performance and quality components. From its powerful engine to its premium features, this bike is a great choice for riders who want a competitive edge on the track. With its excellent handling and advanced suspension, the MC 450F Factory is sure to impress even the most seasoned motocross enthusiasts.

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Common questions

What is the engine size of the GAS GAS MC 450F Factory?

The 2023 GAS GAS MC 450F Factory has a Capacity of 449.9 ccm (27.45 cubic inches).

What engine power does the GAS GAS MC 450F Factory have?

The 2023 GAS GAS MC 450F Factory has a Power of 56.0 HP (41.2 kW).

How many gears does the GAS GAS MC 450F Factory have?

The 2023 GAS GAS MC 450F Factory has a Gearbox of 5-speed.

What is the torque of the GAS GAS MC 450F Factory?

The 2023 GAS GAS MC 450F Factory has a Torque of 45.7 Nm (4.7 kgf-m or 33.7 ft.lbs) @ 7400 RPM.

How much does the GAS GAS MC 450F Factory weigh?

The 2023 GAS GAS MC 450F Factory has a Dry weight of 103.4 kg (228.0 pounds).

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