The 1992 MY Aprilia RX 125 has, at its heart, a liquid-cooled, four-stroke, 124cc, single cylinder powerplant mated to a six-speed manual transmission, and can reach a maximum power output of 32 ...

The 2000 MY Aprilia RX 125 sports a liquid-cooled, two-stroke, 124cc, single cylinder powerplant paired to a six-speed manual transmission, and can produce a claimed 31 horsepower and 21 Nm of torque.

This flows into the muscular fuel tank (by small bike standards), with protrusions to support your legs when hanging off in ...