2006 Kymco Top Boy 50 Technical Analysis & Specification Breakdown
Built around Kymco's scooter motorcycle platform, the 2006 Kymco Top Boy 50 utilizes a 49.5 cc (3 cu in) air-cooled single cylinder, two-stroke layout. In factory specification, peak output is rated at 5.1 HP (3.7 kW) at 7,000 rpm while maximum torque reaches 5.5 Nm (4.1 lb-ft) at 6,500 rpm, transferring power to the rear wheel through a automatic gearbox and shaft drive (cardan) final drive.
On the scales, the Top Boy 50 measures 95.5 kg (211 lbs) dry, translating to a power-to-weight ratio of 0.05 HP/kg (18.73 kg per horsepower).
Within MotoLibrary's Kymco archive, this model family spans 2 indexed model years from 2005 to 2006, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Power-to-Weight
0.05 HP/kg (18.73 kg/HP)
Power Band Window
6,500–7,000 rpm
Engine
Displacement49.5 ccm (3.02 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Power5.1 HP (3.7 kW)) @ 7000 RPM
Torque5.5 Nm (0.6 kgf-m or 4.1 ft.lbs) @ 6500 RPM
CoolingAir
Transmission
GearboxAutomatic
Final DriveShaft drive (cardan) (final drive)
Wheels & Brakes
Front Tyre120/90-J10
Rear Tyre130/90-J10
Front BrakesSingle disc
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Dry Weight95.5 kg (210.5 pounds)
Power/Weight0.0533 HP/kg
Overall Height1070 mm (42.1 inches)
Overall Length1905 mm (75.0 inches)
Overall Width723 mm (28.5 inches)
Notes
Also avialable in a off-road version with other tires.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
