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MotoLibrary Score
31/100Commuter
Power/Weight
0.04 hp/kg
Top Speed
35 km/h
Engine
49 ccm
Technical Overview
2005 Roxon ST 50-2 Technical Analysis & Specification Breakdown
Built around Roxon's minibike, cross motorcycle platform, the 2005 Roxon ST 50-2 utilizes a 49 cc (3 cu in) air-cooled single cylinder, two-stroke layout. In factory specification, peak output is rated at 1.7 HP (1.2 kW) at 5,500 rpm, transferring power to the rear wheel through a automatic gearbox and shaft drive (cardan) final drive. Internal engine geometry specifies a 6.0:1 compression ratio.
On the scales, the ST 50-2 measures 39 kg (86 lbs) dry. Rider ergonomics and chassis geometry center around a 530 mm (20.9 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops.
Standover Height
530 mm (20.9 in)
Engine
Displacement49.0 ccm (2.99 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Power1.7 HP (1.2 kW)) @ 5500 RPM
Compression6.0:1
Fuel SystemCarburettor
IgnitionCDI
CoolingAir
Transmission
GearboxAutomatic
Final DriveShaft drive (cardan) (final drive)
Performance
Top Speed35.0 km/h (21.7 mph)
Wheels & Brakes
Front Tyre2.5-10
Rear Tyre2.5-10
Dimensions & Weight
Dry Weight39.0 kg (86.0 pounds)
Power/Weight0.0433 HP/kg
Seat Height530 mm (20.9 inches) If adjustable, lowest setting.
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.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
