Engineered by Diamo for the scooter motorcycle segment, the 2009 Diamo Classic 50 utilizes a 50 cc (3.1 cu in) air-cooled single cylinder, four-stroke layout. In factory specification, peak output is rated at 4.9 HP (3.6 kW), transferring power to the rear wheel through a automatic gearbox and belt final drive. With a specific output of 98 HP per liter, the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.
On the scales, the Classic 50 measures 84.8 kg (187 lbs) dry. Rider ergonomics and chassis geometry center around a 762 mm (30 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,270 mm (50 in) wheelbase engineered for quick, flickable steering geometry. The 5.48-liter (1.4 US gal) fuel tank paired with a rated consumption of 3.36 L/100 km provides an estimated theoretical range of roughly 163 km (101 miles) between fill-ups, while factory top speed is listed at 48 km/h (30 mph).
Within MotoLibrary's Diamo archive, this model family spans 2 indexed model years from 2008 to 2009, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
98 HP/L
Theoretical Range
~163 km (101 mi)
Engine
Displacement50.0 ccm (3.05 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Power4.9 HP (3.6 kW))
Fuel SystemCarburettor. Keihin
Fuel ControlOverhead Cams (OHC)
IgnitionC.D.I.
CoolingAir
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
Performance
Top Speed48.3 km/h (30.0 mph)
Fuel Consumption3.36 litres/100 km (29.8 km/l or 70.01 mpg)
Greenhouse Gases78.0 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Front SuspensionDual shock
Rear SuspensionMonoshocks
Wheelbase1270 mm (50.0 inches)
Wheels & Brakes
Front Tyre120/70-12
Rear Tyre130/70-12
Front BrakesDouble disc. ABS
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Dry Weight84.8 kg (187.0 pounds)
Power/Weight0.0578 HP/kg
Seat Height762 mm (30.0 inches) If adjustable, lowest setting.
Overall Length1798 mm (70.8 inches)
Overall Width699 mm (27.5 inches)
Fuel Capacity5.48 litres (1.45 US gallons)
Other
StarterElectric
Color OptionsRed, blue, beige, pink, cream, blue, purple
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.
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.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
