Kymco Active 125: history, specs, pictures

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Kymco Active 125
Manufacturer
Also called Active SR125, Active SR 125, Active SR125E3, Active SR 125 E3
Production 2004 - 2010
Engine
single cylinder, four-stroke
Bore / Stroke 54.0mm x 54.0mm
Horsepower 7.91 HP (5.9 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: telescopic fork
Rear: single shock
Brakes Front: single disc
Rear: expanding brake (drum brake)
Front Tire 2.50-17
Rear Tire 2.75-17
Wheelbase 49.8 inches (1265 mm)
Length 78.54 inches (1995 mm)
Width 26.77 inches (680 mm)
Height 42.72 inches (1085 mm)
Weight 213.85 pounds (97.0 Kg) (dry),
Fuel Capacity 0.92 Gallon (3.50 Liters)
Manuals Service Manual


The Kymco Active SR125E3 was a single cylinder, four-stroke standard produced by Kymco between 2004 and 2010. Max torque was 6.27 ft/lbs (8.5 Nm) @ 6000 RPM. Claimed horsepower was 7.91 HP (5.9 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 2.50-17 front tire and a 2.75-17 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 telescopic fork while the rear was equipped with a single shock. The Active SR125E3 was fitted with a 0.92 Gallon (3.50 Liters) fuel tank. The bike weighed just 213.85 pounds (97.0 Kg). The wheelbase was 49.8 inches (1265 mm) long.