Aprilia RX 125 (2014 -)

The Aprilia RX 125 is a trailblazing machine that embodies the perfect blend of power, agility, and style. Its single-cylinder, two-stroke engine is a masterclass in engineering, delivering maximum permitted power with effortless acceleration and an unmistakable zing.

With its robust aluminium cylinder and Nikasil-coated liner, this engine is built to withstand the rigors of high-performance riding. The read valve intake and separate mixing system work in harmony to optimize combustion efficiency, meeting the stringent Euro 3 standard while preserving the thrill of two-stroke power.

The RX 125’s chassis is equally impressive, with a high-strength steel frame featuring a double trellis beam and cradle design that provides exceptional stability and control. Large 17-inch wheels wrapped in sport tyres offer confident handling and grip, complemented by robust Brembo brakes and adjustable suspension for customized riding dynamics.

The result is an exhilarating riding experience that’s both accessible and addictive – the perfect introduction to the world of high-performance motorcycles for young riders seeking to unlock their full potential.

Key Specifications

Engine Type	Single cylinder two stroke. Aluminium cylinder with Nikasil coated liner. Read valve intake. Separate mixing. Homologated to Euro 3 standard.
Engine Capacity	124.8 cc / 7.6 cu in
Fuel Tank Capacity	2.6 US gallons / 10.0 L
Seat Height	32.7 inches / 830 mm

*n/a – information not provided by manufacturer

All Specifications

Make & Model

Model	Aprilia RX 125
Year	2014 –

Engine

Engine Type	Single cylinder two stroke. Aluminium cylinder with Nikasil coated liner. Read valve intake. Separate mixing. Homologated to Euro 3 standard.
Displacement	124.8 cc / 7.6 cu in
Bore x Stroke	54 x 54.5 mm
Compression Ratio	12.5:1
Engine Management System	DellOrto VHST 28
Cooling System	Liquid cooled

Performance

Top Speed

120 km/h / 75 mph

*n/a – information not provided by manufacturer

Transmission

Clutch	Wet, multiplate
Gearbox	6 Speed
Gear Ratios	1st 10:30 / 2nd 14:29 / 3rd 17:27 / 4th 19:25 / 5th 21:23 / 6th 22:21
Final Drive	Chain

Electrical & Electronics System

Starter

Electric and kick

Chassis & Suspension

Frame Type	High strength steel frame with double trellis beam and double cradle. Separate seat frame.
Front Suspension	Upside down telescopic fork, 40 mm.
Front Suspension Travel	10.2 inches / 260 mm
Rear Suspension	Steel swingarm. Hydraulic monoshock with piggy back cylinder.
Rear Suspension Travel	10.6 inches / 270 mm

Wheels & Brakes

Front Tire Size	90/90-21
Rear Tire Size	120/90 18
Front Brakes	Single 260 mm disc. 2 piston caliper
Rear Brakes	Single 220 mm disc, 1 piston caliper

Dimension & Weights

Overall Length	2165 mm / 85.2 in
Overall Width	850 mm / 33.5 in
Seat Height	32.7 inches / 830 mm
Wheelbase	58.3 inches / 1480 mm
Fuel Tank Capacity	2.6 US gallons / 10.0 L
Dry Weight	116 kg / 256 lbs

Features

Single cylinder two stroke engine
Aluminium cylinder with Nikasil coated liner
Read valve intake
Separate mixing lubrication system
Homologated to Euro 3 standard
6-speed transmission (1st 10:30, 2nd 14:29, 3rd 17:27, 4th 19:25, 5th 21:23, 6th 22:21)
High strength steel frame with double trellis beam and double cradle
Separate seat frame
17 inch wheels shod in sport tyres
Front 260 mm disc brake with two-piston floating caliper
Rear 220 mm disc brake with floating piston
Front 40 mm upside down telescopic fork with 260 mm wheel travel
Long steel swingarm with rear wheel travel of 270 mm
Liquid cooling system
Balancer shaft for reduced vibrations
Nickel silicon carbide (Nikasil) coated cylinder liner

*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com