Motobi Sport Special 125: history, specs, pictures

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Motobi Sport Special 125
Manufacturer
Production 1971
Engine
single cylinder, four-stroke
Bore / Stroke 54.0mm x 54.0mm
Top Speed 68 mph (110 km/h)
Horsepower 9.79 HP (7.3 KW) @ 9000RPM
Transmission Gear box: 5-speed
Final Drive: chain
Brakes Front: expanding brake
Rear: expanding brake
Front Tire 2.50-18
Rear Tire 2.75-18
Weight 102.0 kg (wet)
Fuel Capacity 3.3 Gallon (12.50 Liters)
Manuals Service Manual


The Motobi Sport Special 125 was a single cylinder, four-stroke standard produced by Motobi in 1971. It could reach a top speed of 68 mph (110 km/h). Claimed horsepower was 9.79 HP (7.3 KW) @ 9000 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke. A 54.0mm bore x 54.0mm stroke result in a displacement of just 124.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).

Drive[edit | edit source]

The bike has a 5-speed transmission.

Chassis[edit | edit source]

It came with a 2.50-18 front tire and a 2.75-18 rear tire. Stopping was achieved via expanding brake in the front and a expanding brake in the rear. The Sport Special 125 was fitted with a 3.3 Gallon (12.50 Liters) fuel tank.