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MotoLibrary Score
45/100Balanced
Power/Weight
0.23 hp/kg
Torque
62 Nm
Engine
638 ccm
Technical Overview
2003 Suzuki AN 650 Burgman Technical Analysis & Specification Breakdown
At the heart of the 2003 Suzuki AN 650 Burgman scooter motorcycle, Suzuki pairs a 638 cc (38.9 cu in) liquid-cooled twin, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 55 HP (40.1 kW) at 7,000 rpm while maximum torque reaches 62 Nm (45.7 lb-ft) at 5,000 rpm. With a specific output of 86.2 HP per liter and a 2,000 rpm working window between peak torque (5,000 rpm) and peak power (7,000 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 AN 650 Burgman measures 238 kg (525 lbs) dry, translating to a power-to-weight ratio of 0.23 HP/kg (4.33 kg per horsepower). Rider ergonomics and chassis geometry center around a 740 mm (29.1 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,595 mm (62.8 in) wheelbase engineered for planted straight-line stability. The 15-liter (4 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Specific Output
86.2 HP/L
Power-to-Weight
0.23 HP/kg (4.33 kg/HP)
Power Band Window
5,000–7,000 rpm
Standover Height
740 mm (29.1 in)
Engine
Displacement638.0 ccm (38.93 cubic inches)
Engine TypeTwin, four-stroke
Engine DetailsTwin, four-stroke
Power55.0 HP (40.1 kW)) @ 7000 RPM
Torque62.0 Nm (6.3 kgf-m or 45.7 ft.lbs) @ 5000 RPM
Compression11.2:1
Bore x Stroke75.5 x 71.3 mm (3.0 x 2.8 inches)
Valves/Cylinder4
Fuel SystemInjection
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
CoolingLiquid
Chassis
Wheelbase1595 mm (62.8 inches)
Ground Clearance135 mm (5.3 inches)
Wheels & Brakes
Front Tyre120/70-15
Rear Tyre160/60-14
Front BrakesDouble disc
Rear BrakesSingle disc
Dimensions & Weight
Dry Weight238.0 kg (524.7 pounds)
Power/Weight0.2311 HP/kg
Seat Height740 mm (29.1 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.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
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.
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.
