At the heart of the 2004 Aprilia Mini RX 50 Entry - Challenge - Experience enduro - offroad motorcycle, Aprilia pairs a 49.7 cc (3 cu in) air-cooled single cylinder, two-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 9 HP (6.6 kW), transferring power to the rear wheel through a 1-speed gearbox and chain final drive. Internal engine geometry specifies a bore and stroke of 39.0 x 41.3 mm (1.5 x 1.6 inches) with a 9.0:1 compression ratio.
On the scales, the Mini RX 50 Entry - Challenge - Experience measures 35 kg (77 lbs) dry. Rider ergonomics and chassis geometry center around a 734 mm (28.9 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops. The 2.8-liter (0.7 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Standover Height
734 mm (28.9 in)
Engine
Displacement49.7 ccm (3.03 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Power9.0 HP (6.6 kW))
Compression9.0:1
Bore x Stroke39.0 x 41.3 mm (1.5 x 1.6 inches)
Fuel SystemCarburettor
CoolingAir
Transmission
Gearbox1-speed
Final DriveChain (final drive)
Chassis
Frame TypeSteel tube
Wheels & Brakes
Front Tyre2.50-14
Rear Tyre3.00-12
Front BrakesSingle disc
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Dry Weight35.0 kg (77.2 pounds)
Power/Weight0.2571 HP/kg
Seat Height734 mm (28.9 inches) If adjustable, lowest setting.
Fuel Capacity2.80 litres (0.74 US gallons)
Other
Color OptionsRed/black
Notes
Suggested age group: Entry 4-6 years (2 HP), Experience 8-10 years (3 HP), Challenge 8-12 years (9HP)
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.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
