KTM RS125: history, specs, pictures

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KTM RS125
Manufacturer
KTM
Also called 125 RS
Production 1977 - 1978
Engine
single cylinder, two-stroke
Bore / Stroke 54.0mm x 54.0mm
Top Speed 75 mph (120 km/h)
Horsepower 16.63 HP (12.4 KW) @ 7500RPM
Transmission Gear box: 6-speed
Final Drive: chain
Brakes Front: single disc
Rear: single disc
Front Tire 2.75-17
Rear Tire 3.00-17
Weight 111.0 kg (wet)
Fuel Capacity 3.17 Gallon (12.00 Liters)
Manuals Service Manual


The KTM 125 RS was a single cylinder, two-stroke standard produced by KTM between 1977 and 1978. It could reach a top speed of 75 mph (120 km/h). Claimed horsepower was 16.63 HP (12.4 KW) @ 7500 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, two-stroke. A 54.0mm bore x 54.0mm stroke result in a displacement of just 124.0 cubic centimeters. Fuel was supplied via a port control.

Drive[edit | edit source]

The bike has a 6-speed transmission.

Chassis[edit | edit source]

It came with a 2.75-17 front tire and a 3.00-17 rear tire. Stopping was achieved via single disc in the front and a single disc in the rear. The 125 RS was fitted with a 3.17 Gallon (12.00 Liters) fuel tank.