Aprilia RX 125 Make Model. | Aprilia RX 125 | Year | 1983 - 84 | Engine | Single cylinder, two stroke | Capacity | 124.8 cc / 7.6 cu in | Bore x Stroke | 54 x 54.5 mm | Compression Ratio | 11.5:1 | Cooling System | Liquid cooled | Starting | Electric and kick | Transmission | 6 Speed | Final Drive | Chain | Front Suspension | Hydraulic telescopic fork | Rear Suspension | Swingarm with single shock absorber | Front Brakes | Drum | Rear Brakes | Drum | Front Tyre | 3.00-21 | Rear Tyre | 4.00-18 | Dry Weight | 91 kg / 201 lbs | Fuel Capacity | 8.5 L / 2.2 US gal | |