Motocross Bikes
1991Maico GS 490
18 fields on record
The 1991 Maico GS 490 is a lightweight single-cylinder motocross bike built for amateur and recreational off-road riders. Its 488cc liquid-cooled engine delivers 17 horsepower through a 5-speed transmission, making it agile and manageable for riders developing their skills. Known for its compact design and nimble handling on technical terrain, the GS 490 excels as an entry-level competition machine.
- Capacity
- 488.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 5-speed
- Wet weight
- 109.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 17.0 HP (12.5 kW) @ 5600 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It exists purely for motocross-style off-road riding and enduro trails, not for road use or commuting.
- Built for
- A raw, lightweight two-stroke dirt machine that rewards aggressive throttle control and rider input with sharp, responsive handling.
- Not ideal for
- This is not a fit for riders wanting a comfortable, fast, or passenger-friendly road or touring motorcycle.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 488.0 ccm
- Power
- 17.0 HP (12.5 kW) @ 5600 RPM
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.1560 HP/kg (wet)
- Bore x stroke
- 86.5 x 83.0 mm
- Compression
- 13.5:1
- Cooling system
- Liquid
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 100.0 km/h (62.1 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 3.00-21
- Rear tyre
- 130/80-18
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 | 1991 | 1992 |
|---|---|---|
| Capacity | 488 cc | 488 cc |
| Fuel capacity | 10 L | 10 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 Maico GS 490?
The 1991 Maico GS 490 has a Capacity of 488.0 ccm (29.78 cubic inches).
What engine power does the Maico GS 490 have?
The 1991 Maico GS 490 has a Power of 17.0 HP (12.5 kW) @ 5600 RPM.
How many gears does the Maico GS 490 have?
The 1991 Maico GS 490 has a Gearbox of 5-speed.
How much does the Maico GS 490 weigh?
The 1991 Maico GS 490 has a Wet weight of 109.0 kg (240.3 pounds).
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