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 |
