Kymco KR: history, specs, pictures

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Kymco KR
Manufacturer
Also called KR Naked 125, KR Sport 125
Production 2010 - 2012
Engine
in-line six, four-stroke
Bore / Stroke 56.5mm x 49.5mm
Top Speed 70 mph (112 km/h)
Horsepower 12.61 HP (9.4 KW) @ 10000RPM
Fuel System carburetor
Transmission Gear box: 5-speed

Final Drive: chain

Clutch: multi-plate clutch in oil bath
Suspension Front: hydraulic forks
Rear: single damper
Brakes Front: single disc
Rear: single disc
Front Tire 110/80-17
Rear Tire 140/70-17
Wheelbase 53.35 inches (1355 mm)
Length 81.89 inches (2080 mm)
Width 27.95 inches (710 mm)
Seat Height 31.5 inches (800 mm)
Weight 308.65 pounds (140.0 Kg) (dry), 130.0 kg (wet)
Fuel Capacity 3.57 Gallon (13.50 Liters)
Manuals Service Manual


The Kymco KR Sport 125 was a in-line six, four-stroke standard produced by Kymco between 2010 and 2012. It could reach a top speed of 70 mph (112 km/h). Claimed horsepower was 12.61 HP (9.4 KW) @ 10000 RPM.

Engine[edit | edit source]

The engine was a oil & air cooled in-line six, four-stroke. A 56.5mm bore x 49.5mm stroke result in a displacement of just 124.1 cubic centimeters. Fuel was supplied via a overhead cams (ohc).

Drive[edit | edit source]

The bike has a 5-speed transmission. Power was moderated via the multi-plate clutch in oil bath.

Chassis[edit | edit source]

It came with a 110/80-17 front tire and a 140/70-17 rear tire. Stopping was achieved via single disc in the front and a single disc in the rear. The front suspension was a hydraulic forks while the rear was equipped with a single damper. The KR Sport 125 was fitted with a 3.57 Gallon (13.50 Liters) fuel tank. The bike weighed just 308.65 pounds (140.0 Kg). The wheelbase was 53.35 inches (1355 mm) long.