Motocross Bikes
2004GAS GAS MC 125
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The 2004 GAS GAS MC 125 is a lightweight motocross machine built for amateur and youth riders seeking competitive off-road performance. Its compact 124cc liquid-cooled engine and nimble 92kg chassis deliver responsive handling on technical terrain. Known for excellent maneuverability and reliability, this bike remains popular in amateur motocross racing and trail riding.
- Capacity
- 124.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Dry weight
- 92.0 kg
- Seat height
- 940 mm
- Power
- 15.0 HP (11.0 kW)
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- Best for
- Built purely for closed-course motocross racing and serious off-road competition, not for general transportation.
- Built for
- A raw, lightweight, high-revving two-stroke racer that rewards aggressive riding with sharp agility and explosive acceleration on the track.
- Not ideal for
- This is not the right bike for commuting, touring, carrying a passenger, or riders seeking comfort and ease of use.
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 usEngine
- Capacity
- 124.0 ccm
- Power
- 15.0 HP (11.0 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.1630 HP/kg (dry)
- Bore x stroke
- 54.0 x 54.5 mm
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- Kokusan* digital CDI Multispark
- Lubrication system
- 2% mixture
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Hydraulic multi-disc
Dimensions & weight
- Wheelbase
- 1475 mm
- Seat height
- 940 mm
- Dry weight
- 92.0 kg
- Fuel capacity
- 9.50 litres
- Ground clearance
- 340 mm
Chassis & suspension
- Frame
- Deltabox type, made of rectangular section cromoly tube
- Front suspension
- Marzocchi inverted fork, 45 mm
- Rear suspension
- Progressive system, Ohlins shock absorber.
- Front wheel travel
- 295 mm
- Rear wheel travel
- 320 mm
- Rake (fork angle)
- 26.1°
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 260 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 220 mm
- Front tyre
- 90/90-21
- Rear tyre
- 120/80-19
Other
- Color options
- Red
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 | 2004 | 2010 | 2016 | 2021 | 2027 |
|---|---|---|---|---|---|
| Capacity | 124 cc | 124 cc | 125 cc | 125 cc | 125 cc |
| Dry weight | 92 kg | 92 kg | 92 kg | 88 kg | 93 kg |
| Seat height | 940 mm | 940 mm | 940 mm | 950 mm | 956 mm |
| Fuel capacity | 9.5 L | 9.5 L | 9.5 L | 7 L | 7.9 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the GAS GAS MC 125?
The 2004 GAS GAS MC 125 has a Capacity of 124.0 ccm (7.57 cubic inches).
What engine power does the GAS GAS MC 125 have?
The 2004 GAS GAS MC 125 has a Power of 15.0 HP (11.0 kW).
How many gears does the GAS GAS MC 125 have?
The 2004 GAS GAS MC 125 has a Gearbox of 6-speed.
How much does the GAS GAS MC 125 weigh?
The 2004 GAS GAS MC 125 has a Dry weight of 92.0 kg (202.8 pounds).
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