| MODEL | GILERA RX 125 1984 - 1985 |
| Year | 1984 - 1985 |
| Engine Type | Two stroke, single cylinder, reed valve induction |
| Displacement / Capacity | 124 cc / 7.6 cu in |
| Bore X Stroke | 56 x 50 mm |
| Compression Ratio | 13.4:1 |
| Cooling System | Liquid cooled |
| Max Power | 18 kW / 24 hp @ 9250 rpm |
| Max Torque | 1.5 kgf-m @ 10500 rpm |
| Ignition | CDI |
| Induction | 2x 26 mm Dell'Orto carburetors |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 Speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic forks |
| Rear Suspension | Swingarm, gas single shock |
| Front Brakes | Single 220 mm disc |
| Rear Brakes | 140 mm drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | 138 kg / 304 lb |
| WHEEL SPECS | |
| Front Tyre | 2.75-21 |
| Rear Tyre | 4.10-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 16 Litres / 4.2 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The RX 125 was Gilera's road-legal enduro, introduced at the 1983 Milan show and sharing its engine and double-cradle frame with the RV 125 in a slightly milder state of tune. It sold alongside the Arizona version with a bigger tank, until the RTX 125 took over in 1985.
