14 August. Friday 2026
Maico GS 490 - 1991 Specifications and Reviews
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.
1991
General information | |
| Category | Cross / motocross |
| Year | 1991 |
| Model | Maico GS 490 |
| | |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Fuel control | Membrane & variable discharge openings |
| Bore x stroke | 86.5 x 83.0 mm (3.4 x 3.3 inches) |
| Compression | 13.5:1 |
| Power | 17.00 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 488.00 ccm (29.78 cubic inches) |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 109.0 kg (240.3 pounds) |
Maico GS 490 dimensions and frame | |
| Rear brakes | Single disc |
| Front brakes | Single disc |
| Rear tyre dimensions | 130/80-18 |
| Front tyre dimensions | 3.00-21 |
Speed and acceleration | |
| Top speed | 100.0 km/h (62.1 mph) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Fuel capacity | 10.00 litres (2.64 gallons) |
Performance Profile & Rider Fit
17 hp
Peak Power
62.1 mph
Top Speed
Best For
Track20%
City15%
Cornering60%
Daily Riding10%
Touring10%
Passenger5%
Rider Profile
| Best For | This is a serious off-road enduro built for riders who already have dirt-riding skill, not a beginner's first bike. |
| Purpose | It exists purely for motocross-style off-road riding and enduro trails, not for road use or commuting. |
| Rider Fit | At just 109 kg with a tall, narrow off-road stance, it demands an active, standing riding style and decent physical fitness rather than a relaxed seated posture. |
| Character | 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. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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