2005Aprilia RX 50 Racing

★ 5.0

37 fields on record

The 2005 Aprilia RX 50 Racing is a lightweight enduro machine ideal for young riders and beginners transitioning to off-road riding. Known for its nimble handling and reliable liquid-cooled engine, it excels in technical terrain and tight trails where agility matters most.

Capacity: 49.7 ccm
Engine: Single
Gearbox: 6-speed
Dry weight: 98.0 kg
Seat height: 940 mm
Power: 5.4 HP (4.0 kW)

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What’s new for the 2005 Aprilia RX 50 Racing

vs the 2004

Spec	2004	2005
Front suspension	Upside down telescopic fork	Upside down telescopic fork, 35 mm inners.
Rear suspension	Oscillating, steel swing arm	Swing-arm in box section , with anti-friction bushings, adjustable monoshock with Aprilia Progressive System action
Wheelbase	1360 mm (53.5 inches)	1380 mm (54.3 inches)

Other years 2004 2005 2006

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail85%

Cornering70%

City riding40%

Daily riding30%

Touring15%

Two-up10%

Track25%

Best for: Designed for light off-road trail riding, backyard enduro fun, and learning bike control rather than outright speed or distance travel.
Built for: A nimble, high-clearance mini-enduro that rewards playful, aggressive riding on tight trails rather than sustained speed or long hauls.
Not ideal for: Not for riders wanting highway speed, long-distance comfort, or a machine capable of carrying a passenger any real distance.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 940mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2005 Aprilia RX 50 Racing, with a cramped knee angle of around 85 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

Find bikes that fit your height →

Full specifications

Engine

Capacity: 49.7 ccm
Power: 5.4 HP (4.0 kW)
Engine type: Single
Power/weight ratio: 0.0551 HP/kg (dry)
Bore x stroke: 40.3 x 39.0 mm
Compression: 12.0:1
Cooling system: Liquid
Fuel system: Carburettor
Starting: Kick
Ignition: Electronic, capacitor discharge
Lubrication system: Separate mixing with variable displacement pump
Torque: Not on record - add it

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Chain
Clutch: Multiple disk in oil bath

Dimensions & weight

Wheelbase: 1380 mm
Overall length: 2060 mm
Overall width: 880 mm
Overall height: 1400 mm
Seat height: 940 mm
Dry weight: 98.0 kg
Wet weight: 106.0 kg
Fuel capacity: 9.50 litres
Ground clearance: 350 mm

Chassis & suspension

Frame: Closed cradle split at exhaust level, in high strength steel tubes
Front suspension: Upside down telescopic fork, 35 mm inners.
Rear suspension: Swing-arm in box section , with anti-friction bushings, adjustable monoshock with Aprilia Progressive System action
Front wheel travel: 250 mm
Rear wheel travel: 260 mm