Maico GS490: history, specs, pictures

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Maico GS490
Manufacturer
Also called GS 490
Production 1991 - 1992
Engine
single cylinder, two-stroke
Bore / Stroke 86.5mm x 83.0mm
Top Speed 62 mph (100 km/h)
Horsepower 16.63 HP (12.4 KW) @ 5600RPM
Transmission Gear box: 5-speed
Final Drive: chain
Brakes Front: single disc
Rear: single disc
Front Tire 3.00-21
Rear Tire 130/80-18
Weight 109.0 kg (wet)
Fuel Capacity 2.64 Gallon (10.00 Liters)
Manuals Service Manual


The Maico GS490 was a single cylinder, two-stroke standard produced by Maico between 1991 and 1992. It could reach a top speed of 62 mph (100 km/h). Claimed horsepower was 16.63 HP (12.4 KW) @ 5600 RPM.

Engine[edit | edit source]

The engine was a liquid cooled single cylinder, two-stroke. A 86.5mm bore x 83.0mm stroke result in a displacement of just 488.0 cubic centimeters. Fuel was supplied via a membrane & variable discharge openings.

Drive[edit | edit source]

The bike has a 5-speed transmission.

Chassis[edit | edit source]

It came with a 3.00-21 front tire and a 130/80-18 rear tire. Stopping was achieved via single disc in the front and a single disc in the rear. The GS490 was fitted with a 2.64 Gallon (10.00 Liters) fuel tank.