Aprilia RS125
| Manufacturer | Aprilia |
|---|---|
| Parent company | Piaggio |
| Production | 1992-2010 |
| Predecessor | Aprilia AF1 |
| Successor | Aprilia RS4 125 |
| Class | Sport bike |
| Engine | 124.8 cc (7.62 cu in) single cylinder two-stroke engine |
| Bore / stroke | 54.0 mm × 54.5 mm (2.13 in × 2.15 in) |
| Power | 28.2 bhp (21.0 kW) (claimed) |
| Torque | 14.0 lb⋅ft (19.0 N⋅m) |
| Transmission | 6 speed |
| Suspension | Front : 40 mm (1.6 in) upside down hydraulic fork. Wheel travel 120 mm (4.7 in) Rear : Cast aluminium box section swingarm with asymmetric members. Hydraulic monoshock with adjustable spring preload. Wheel travel 120 mm. |
| Brakes | 4 piston caliper, from 2006: radial |
| Tires | Tubeless radial. Front 110/70 17-inch; rear 150/60 17-inch |
| Wheelbase | 1,345 mm (53.0 in) |
| Dimensions | L: 1,950 mm (77 in) W: 720 mm (28 in) at handlebars H: 1,100 mm (43 in) at windshield |
| Seat height | 805 mm (31.7 in) |
| Weight | 127 kg (280 lb) (dry) 137 kg (302 lb) (wet) |
| Fuel capacity | 14 L (3.1 imp gal; 3.7 US gal) |
| Fuel consumption | 40 mpg‑US (5.9 L/100 km; 48 mpg‑imp) |
| Related | Aprilia RS250 Aprilia RS50 |
The Aprilia RS125 is a GP derived replica sport production motorcycle. It is powered by a Rotax single cylinder 124.8 cc two-stroke engine with Nikasil coated aluminium cylinder block, and liquid cooling.