Aprilia Mini RX 50 Challenge 2005
Complete specifications and details for the 2005 Aprilia Mini RX 50 Challenge. This comprehensive guide includes engine specifications, dimensions, features, and performance data.

Basic Information
Make | Aprilia |
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Model | Mini RX 50 Challenge |
Year | 2005 |
Category | Minibike-cross |
Chassis, Suspension & Brakes
Front Brakes | Expanding brake (drum brake) |
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Front Suspension | Mechanical |
Front Tyre | 14-2.50 |
Front Wheel Travel | 170 mm (6.7 inches) |
Rear Brakes | Expanding brake (drum brake) |
Rear Suspension | Hydraulic monoshock |
Rear Tyre | 12-3.00 |
Rear Wheel Travel | 245 mm (9.6 inches) |
Other Specifications
Comments | Suggested age group 8-12 years |
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Starter | Kick |
Engine & Transmission
Displacement | 49.80 ccm (3.04 cubic inches) |
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Engine Details | Single cylinder, two-stroke |
Power | 3.00 HP (2.2 kW)) |
Compression | 9.0:1 |
Bore X Stroke | 39.0 x 41.7 mm (1.5 x 1.6 inches) |
Fuel System | Carburettor. Dell’Orto PHBN 14 MS |
Lubrication System | Separate mixing with variable displacement pump |
Cooling System | Air |
Transmission Type Final Drive | Chain |
Clutch | Multiple disk in oil bath |
Dimensions & Capacities
Dry Weight | 38.0 kg (83.8 pounds) |
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Ground Clearance | 280 mm (11.0 inches) |
Power Weight Ratio | 0.0789 HP/kg |
Seat Height | 734 mm (28.9 inches) If adjustable, lowest setting. |