Kymco RS125: history, specs, pictures

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Kymco RS125
Manufacturer
Also called RS 125
Production 2012
Engine
single cylinder, four-stroke
Bore / Stroke 54.0mm x 54.0mm
Horsepower 9.12 HP (6.8 KW) @ 7500RPM
Torque 6.27 ft/lbs (8.5 Nm) @ 6000RPM
Fuel System carburetor
Ignition cdi
Transmission Gear box: 4-speed
Final Drive: shaft drive (cardan)
Suspension Front: hydraulic telescopic fork
Rear: single shock, adjustable
Brakes Front: single disc
Rear: expanding brake (drum brake)
Front Tire 120/70-12
Rear Tire 130/70-12
Length 76.38 inches (1940 mm)
Seat Height 31.5 inches (800 mm)
Weight 238.1 pounds (108.0 Kg) (dry),
Fuel Capacity 0.92 Gallon (3.50 Liters)
Manuals Service Manual


The Kymco RS125 was a single cylinder, four-stroke standard produced by Kymco in 2012. Max torque was 6.27 ft/lbs (8.5 Nm) @ 6000 RPM. Claimed horsepower was 9.12 HP (6.8 KW) @ 7500 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 cams (ohc).

Drive[edit | edit source]

The bike has a 4-speed transmission.

Chassis[edit | edit source]

It came with a 120/70-12 front tire and a 130/70-12 rear tire. Stopping was achieved via single disc in the front and a expanding brake (drum brake) in the rear. The front suspension was a hydraulic telescopic fork while the rear was equipped with a single shock, adjustable. The RS125 was fitted with a 0.92 Gallon (3.50 Liters) fuel tank. The bike weighed just 238.1 pounds (108.0 Kg).