2005 Kymco Top Boy 50 Technical Analysis & Specification Breakdown
Positioned in Kymco's scooter motorcycle lineup, the 2005 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 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.
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.
