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Enduro - Offroad · 2020

RX 50

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2020 Aprilia RX 50 Technical Analysis & Specification Breakdown

Engineered by Aprilia for the enduro - offroad motorcycle segment, the 2020 Aprilia RX 50 pairs a 50 cc (3.1 cu in) liquid-cooled single cylinder, two-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 39.9 x 40.0 mm (1.6 x 1.6 inches) with a 11.5:1 compression ratio.

On the scales, the RX 50 measures 104 kg (229 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 880 mm (34.6 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,395 mm (54.9 in) wheelbase engineered for quick, flickable steering geometry. The 7-liter (1.8 US gal) fuel tank paired with a rated consumption of 2.96 L/100 km provides an estimated theoretical range of roughly 236 km (147 miles) between fill-ups.

Within MotoLibrary's Aprilia archive, this model family spans 15 indexed model years from 2002 to 2022, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Theoretical Range
~236 km (147 mi)
Engine
Displacement 50.0 ccm (3.05 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Reed intake valve
Compression 11.5:1
Bore x Stroke 39.9 x 40.0 mm (1.6 x 1.6 inches)
Fuel System Carburettor. Electronically controlled Dell’Orto PHVA 17.5 carburettor
Ignition Electronic with CDI capacity discharge
Lubrication Automatic mixer
Cooling Liquid
Transmission
Gearbox 6-speed
Final Drive Chain (final drive)
Clutch Multiplate wet clutch
Performance
Fuel Consumption 2.96 litres/100 km (33.8 km/l or 79.47 mpg)
Greenhouse Gases 68.7 CO2 g/km. (CO2 - Carbon dioxide emission)
Emission Details Euro 4
Chassis
Frame Type Twin - tube steel
Front Suspension Upside down fork with Ø 41 mm stanchions
Front Travel 240 mm (9.4 inches)
Rear Suspension Aluminium alloy swingarm, mono shock absorber with progr essive link system
Rear Travel 200 mm (7.9 inches)
Wheelbase 1395 mm (54.9 inches)
Wheels & Brakes
Front Tyre 80/90-21
Rear Tyre 110/80-18
Front Brakes Single disc. 2 piston floating calliper
Front Brake Ø 260 mm (10.2 inches)
Rear Brakes Single disc. Floating calliper
Rear Brake Ø 220 mm (8.7 inches)
Dimensions & Weight
Weight incl. 104.0 kg (229.3 pounds)
Seat Height 880 mm (34.6 inches) If adjustable, lowest setting.
Overall Length 2105 mm (82.9 inches)
Overall Width 840 mm (33.1 inches)
Fuel Capacity 7.00 litres (1.85 US gallons)
Other
Starter Kick
Color Options Red/gray/green
More from Aprilia
Buying Checklist

Before You Compare This Bike

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.

Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
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.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🌲
Best For
Off-Road & Adventure
📏
Seat Height
88 cm / 34.6 in
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