Motocross Bikes
2021GAS GAS MC250
29 fields on record
The 2021 GAS GAS MC250 is a two-stroke motocross bike from GAS GAS's KTM-owned era. Its liquid-cooled 249cc single drives through a five-speed gearbox and chain. A tall 950 mm seat, 99 kg dry weight and 7.5-litre tank are built for racing.
- Capacity
- 249.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 5-speed
- Dry weight
- 99.0 kg
- Seat height
- 950 mm
- Power
- Not on record
Know it? Add it →
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
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 riding, not for street or commuter use.
- Built for
- A light, razor-sharp two-stroke racer that rewards aggressive input with explosive acceleration and exceptional agility.
- Not ideal for
- Not for beginners, commuters, or anyone seeking comfort, passenger capability, or road-legal touring capability.
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
- 249.0 ccm
- Engine type
- Single, two-stroke
- Bore x stroke
- 66.4 x 72.0 mm
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- Kokusan digital CDI Multispark
- Lubrication system
- Fuel mixture
- Power
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multidisc hydraulic operated
Dimensions & weight
- Wheelbase
- 1475 mm
- Seat height
- 950 mm
- Dry weight
- 99.0 kg
- Fuel capacity
- 7.50 litres
- Ground clearance
- 370 mm
Chassis & suspension
- Frame
- Deltabox built with rectangular Cromoly tubing
- Front suspension
- 50 mm upside-down Marzocchi fork. Upside-down Öhlins
- Rear suspension
- One-piece aluminium swing arm, progressives system with Öhlins shock absorber
- Front wheel travel
- 295 mm
- Rear wheel travel
- 310 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 260 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 220 mm
- Front tyre
- 60/90-14
- Rear tyre
- 80/80-12
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 | 2015 | 2021 | 2026 |
|---|---|---|---|---|---|
| Capacity | 125 cc | 249 cc | 249 cc | 249 cc | 249 cc |
| Dry weight | 100 kg | 100 kg | 100 kg | 99 kg | 100 kg |
| Seat height | 940 mm | 940 mm | 940 mm | 950 mm | 956 mm |
| Fuel capacity | 9.5 L | 9.6 L | 7.5 L | 7.5 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 MC250?
The 2021 GAS GAS MC250 has a Capacity of 249.0 ccm (15.19 cubic inches).
How many gears does the GAS GAS MC250 have?
The 2021 GAS GAS MC250 has a Gearbox of 5-speed.
How much does the GAS GAS MC250 weigh?
The 2021 GAS GAS MC250 has a Dry weight of 99.0 kg (218.3 pounds).
Shop this bike
Affiliate linksWe may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.
Please log in or register if you'd like to leave a comment.
Own one? Add it to My Garage and write an owner review with an Owner badge.