Engineered by Boom Trikes for the custom - cruiser motorcycle segment, the 2009 Boom Trikes Fun 500 Automatic pairs a 459 cc (28 cu in) single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 40 HP (29.2 kW), transferring power to the rear wheel through a automatic gearbox. With a specific output of 87.1 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the Fun 500 Automatic measures 365 kg (805 lbs) dry, translating to a power-to-weight ratio of 0.11 HP/kg (9.13 kg per horsepower). The 25-liter (6.6 US gal) fuel tank paired with a rated consumption of 4 L/100 km provides an estimated theoretical range of roughly 625 km (388 miles) between fill-ups, while factory top speed is listed at 120 km/h (75 mph).
Specific Output
87.1 HP/L
Power-to-Weight
0.11 HP/kg (9.13 kg/HP)
Theoretical Range
~625 km (388 mi)
Engine
Displacement459.0 ccm (28.01 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Power40.0 HP (29.2 kW))
Fuel SystemCarburettor
Transmission
GearboxAutomatic
Performance
Top Speed120.0 km/h (74.6 mph)
Fuel Consumption4.00 litres/100 km (25.0 km/l or 58.81 mpg)
Greenhouse Gases92.8 CO2 g/km. (CO2 - Carbon dioxide emission)
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.
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.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
