Aprilia SX 125 (2010-11)

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The Aprilia SX 125 (model years 2010-11) is a motorcycle with a single cylinder two-stroke engine that meets Euro 3 standards. Its 125cc engine has a bore x stroke of 54 x 54.5 mm and a compression ratio of 12.5:1. It is liquid-cooled with a Dell Orto VHST 28 induction and electronic CDI ignition. The bike can generate a maximum power of 16.4 kW (22 hp) and a maximum torque of 16.0 Nm. It has a 6-speed transmission and chain final drive.

The Aprilia SX 125 has a high strength steel frame with double trellis beam and double cradle, as well as a separate seat frame. It has an upside-down telescopic fork with ~A40 mm front suspension and a steel swingarm with hydraulic monoshock and piggyback cylinder for the rear suspension. The bike has a front single ~A260 mm disc with a sliding 2-piston caliper and Brembo brakes, and a rear single ~A220 mm disc with a sliding 1-piston caliper. The front and rear wheel travels are 260 mm (10.2 inches) and 270 mm (10.6 inches), respectively.

Overall, the Aprilia SX 125 has a powerful engine and sturdy build quality that make for a good off-road riding experience. However, its two-stroke engine may not appeal to all riders, and some may find its styling too aggressive.

Technical specifications:

Make Model: Aprilia SX 125

Year: 2010 – 11


Engine: Single cylinder two stroke. Aluminium cylinder with Nikasil coated liner. Read valve intake. Separate mixing. Homologated to Euro 3 standard.
Capacity: 125
Bore x Stroke: 54 x 54.5 mm
Compression Ratio: 12.5:1
Cooling System: Liquid cooled
Induction: Dell Orto VHST 28
Ignition / Starting: Electronic CDI
Starting: Kick
Max Power: 16.4 kW / 22 hp
Max Torque: 16.0 Nm / 1.6 kgf-m / 11.8 ft-lb
Transmission: 6 Speed
Final Drive: Chain
Gear Ratio: 1st 10:30 / 2nd 14:29 / 3rd 17:27 / 4th 19:25 / 5th 21:23 / 6th 22:21
Frame: High strength steel frame with double trellis beam and double cradle. Separate seat frame.
Front Suspension: Upside down telescopic fork, ~A40 mm

Front Wheel Travel: 260 mm / 10.2 in
Rear Suspension: Steel swingarm. Hydraulic monoshock with piggy back cylinder
Rear Wheel Travel: 270 mm / 10.6 in
Front Brakes: Single ~A260 mm disc, sliding 2 piston caliper, Brembo
Rear Brakes: Single ~A220 mm disc, sliding 1 piston caliper

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