Aprilia RX 50 Racing - 2004 Specifications and Reviews

The 2004 Aprilia RX 50 Racing is a lightweight enduro machine designed for young riders and beginners seeking off-road adventure. Its liquid-cooled single-cylinder engine and nimble 106 kg chassis deliver responsive handling on varied terrain, making it ideal for learning fundamental dirt bike skills.

5 stars Average rating: 5 from 1 votes
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Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox6-speed
Cooling systemLiquid
Fuel systemCarburettor
Bore x stroke40.3 x 39.0 mm (1.6 x 1.5 inches)
Compression12.0:1
Stroke2
Engine typeSingle cylinder
Capacity:49.70 ccm (3.03 cubic inches)

Physical measures and capacities

Wheelbase1,360 mm (53.5 inches)
Overall width880 mm (34.6 inches)
Overall length2,060 mm (81.1 inches)
Overall height1,400 mm (55.1 inches)
Seat height940 mm (37.0 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc106.0 kg (233.7 pounds)
 
 

Aprilia RX 50 Racing dimensions and frame

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter250 mm (9.8 inches)
Front brakesSingle disc
Rear tyre dimensions110/80-18
Front tyre dimensions80/90-21
Rear suspension travel260 mm (10.2 inches)
Rear suspensionOscillating, steel swing arm
Front suspension travel250 mm (9.8 inches)
Front suspensionUpside down telescopic fork
Frame typeClosed split cradle frame, high durability steel tubes
 
 

Speed and acceleration

Color optionsBlack matrix
Reserve fuel capacity1.50 litres (0.40 gallons)
Fuel capacity9.50 litres (2.51 gallons)

CategoryEnduro / offroad
Year2004
ModelAprilia RX 50 Racing

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track25%
City40%
Cornering70%
Daily Riding30%
Touring15%
Passenger10%

Rider Profile

Best ForBest suited to younger or novice riders cutting their teeth on a lightweight 50cc enduro, though some experienced riders enjoy it for trail play.
PurposeDesigned for light off-road trail riding, backyard enduro fun, and learning bike control rather than outright speed or distance travel.
Rider FitIts low 98kg dry weight and tall but slim seat make it very manageable for smaller or lighter riders to pick up, flick around, and handle over rough terrain.
CharacterA nimble, high-clearance mini-enduro that rewards playful, aggressive riding on tight trails rather than sustained speed or long hauls.
Not Ideal ForNot for riders wanting highway speed, long-distance comfort, or a machine capable of carrying a passenger any real distance.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2004 Aprilia RX 50 Racing Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 940mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2004 Aprilia RX 50 Racing, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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