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Custom - Cruiser · 2009

ST125-2 V-raptor

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MotoLibrary Score
35 /100 Commuter
Power/Weight
0.05 hp/kg
Top Speed
90 km/h
Torque
8 Nm
Engine
124 ccm

2009 Skyteam ST125-2 V-raptor Technical Analysis & Specification Breakdown

At the heart of the 2009 Skyteam ST125-2 V-raptor custom - cruiser motorcycle, Skyteam pairs a 124 cc (7.6 cu in) air-cooled single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 9.1 HP (6.6 kW) at 8,500 rpm while maximum torque reaches 8.2 Nm (6 lb-ft) at 7,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 73.4 HP per liter and a 1,000 rpm working window between peak torque (7,500 rpm) and peak power (8,500 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the ST125-2 V-raptor measures 175 kg (386 lbs) dry, translating to a power-to-weight ratio of 0.05 HP/kg (19.23 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,380 mm (54.3 in) wheelbase engineered for quick, flickable steering geometry. The 10-liter (2.6 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 90 km/h (56 mph).

Specific Output
73.4 HP/L
Power-to-Weight
0.05 HP/kg (19.23 kg/HP)
Power Band Window
7,500–8,500 rpm
Engine
Displacement 124.0 ccm (7.57 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Single cylinder, four-stroke
Power 9.1 HP (6.6 kW)) @ 8500 RPM
Torque 8.2 Nm (0.8 kgf-m or 6.0 ft.lbs) @ 7500 RPM
Compression 9.0:1
Bore x Stroke 56.5 x 49.5 mm (2.2 x 1.9 inches)
Valves/Cylinder 2
Fuel System Carburettor. KEIHIN PTG 07
Ignition C.D.I.
Lubrication Wet, multiple disc
Cooling Air
Transmission
Gearbox 5-speed
Final Drive Chain (final drive)
Performance
Top Speed 90.0 km/h (55.9 mph)
Chassis
Frame Type STEEL, DOUBLE TUBE
Wheelbase 1380 mm (54.3 inches)
Ground Clearance 260 mm (10.2 inches)
Wheels & Brakes
Front Tyre 120/80-18
Rear Tyre 180/80-14
Front Brakes Single disc
Front Brake Ø 240 mm (9.4 inches)
Rear Brakes Single disc
Rear Brake Ø 220 mm (8.7 inches)
Dimensions & Weight
Dry Weight 175.0 kg (385.8 pounds)
Power/Weight 0.0521 HP/kg
Overall Height 1100 mm (43.3 inches)
Overall Length 2030 mm (79.9 inches)
Overall Width 845 mm (33.3 inches)
Fuel Capacity 10.00 litres (2.64 US gallons)
Other
Starter Electric & kick
Color Options YELLOW/GREEN/BLACK/CHOCOLATE
Notes

TRACTOR TIRE COMFORTABLE SEAT

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Before You Compare This Bike

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
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Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
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.
Rider Profile

Who Is This Bike For?

🟢
Beginner
A2 license compatible, manageable power.
✌️
Best For
Cruising & Touring
⚖️
Handling
Manageable weight for most riders
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