Kymco Top Boy: history, specs, pictures

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Kymco Top Boy
Manufacturer
Also called Top Boy50, Top Boy 50, Top Boy50 Off Road, Top Boy 50 Off Road, Top Boy50On Road, Top Boy 50 On Road
Production 2005 - 2007
Engine
single cylinder, two-stroke
Horsepower 4.96 HP (3.7 KW) @ 7000RPM
Torque 4.06 ft/lbs (5.5 Nm) @ 6500RPM
Transmission Gear box: automatic
Final Drive: shaft drive (cardan)
Brakes Front: single disc
Rear: expanding brake (drum brake)
Front Tire 120/70-12
Rear Tire 130/70-12
Length 75.0 inches (1905 mm)
Width 27.56 inches (700 mm)
Height 42.13 inches (1070 mm)
Weight 210.54 pounds (95.5 Kg) (dry),
Manuals Service Manual


The Kymco Top Boy50 Off Road was a single cylinder, two-stroke standard produced by Kymco between 2005 and 2007. Max torque was 4.06 ft/lbs (5.5 Nm) @ 6500 RPM. Claimed horsepower was 4.96 HP (3.7 KW) @ 7000 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, two-stroke.

Drive[edit | edit source]

The bike has a automatic 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 bike weighed just 210.54 pounds (95.5 Kg).