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Enduro - Offroad · 2022

RX 50

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2022 Aprilia RX 50 Technical Analysis & Specification Breakdown

At the heart of the 2022 Aprilia RX 50 enduro - offroad motorcycle, Aprilia features a 50 cc (3.1 cu in) liquid-cooled single cylinder, two-stroke configuration. 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 132 kg (291 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 860 mm (33.9 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,365 mm (53.7 in) wheelbase engineered for quick, flickable steering geometry. The 14.5-liter (3.8 US gal) fuel tank paired with a rated consumption of 2.5 L/100 km provides an estimated theoretical range of roughly 580 km (360 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
~580 km (360 mi)
Engine
Displacement 50.0 ccm (3.05 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Light alloy cylinder
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 2.50 litres/100 km (40.0 km/l or 94.09 mpg)
Greenhouse Gases 58.0 CO2 g/km. (CO2 - Carbon dioxide emission)
Emission Details Euro 4
Chassis
Frame Type Aluminium perimeter
Front Suspension Upside-down fork with Ø 40 mm stanchions
Front Travel 110 mm (4.3 inches)
Rear Suspension Asymmetrical swingarm, monoshock
Rear Travel 120 mm (4.7 inches)
Wheelbase 1365 mm (53.7 inches)
Wheels & Brakes
Front Tyre 100/80-17
Rear Tyre 130/70-17
Front Brakes Single disc. 4-piston calliper
Front Brake Ø 300 mm (11.8 inches)
Rear Brakes Single disc. Single piston
Rear Brake Ø 218 mm (8.6 inches)
Wheels L 6 split spoke wheel rims in lightweight alloy
Dimensions & Weight
Weight incl. 132.0 kg (291.0 pounds)
Seat Height 860 mm (33.9 inches) If adjustable, lowest setting.
Overall Length 2020 mm (79.5 inches)
Overall Width 830 mm (32.7 inches)
Fuel Capacity 14.50 litres (3.83 US gallons)
Reserve Fuel 4.00 litres (1.06 US gallons)
Other
Starter Kick
Color Options Black, silver
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
86 cm / 33.9 in
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