| MODEL | SUZUKI RG 125 1978 - 1979 |
| Year | 1978 - 1979 |
| Engine Type | Single cylinder, two-stroke, piston valve |
| Displacement / Capacity | 124 cc / 7.6 cu in |
| Bore X Stroke | 43 x 43 mm |
| Compression Ratio | 6.8:1 |
| Cooling System | Air cooled |
| Max Power | 11.9 kW / 16 hp @ 9500 rpm |
| Max Torque | 12.7 Nm / 1.3 kgf-m / 9.4 lb-ft @ 8500 rpm |
| Ignition | — |
| Induction | — |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5 Speed constant mesh |
| Clutch | Wet, multi-plate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Steel pipe, single cradle |
| Front Suspension | Telescopic, oil dampened |
| Rear Suspension | Swingarm, dual shocks, coils, oil dampened |
| Front Brakes | Single disc, hydraulic |
| Rear Brakes | Drum, internal expanding |
| DIMENSION SPECS | |
| Overall Length | 1900 mm / 74.8 in |
| Overall Width | 770 mm / 30.3 in |
| Overall Height | 1055 mm / 41.5 in |
| Seat Height | — |
| Wheelbase | 1230 mm / 48.4 in |
| Ground Clearance | — |
| Dry Weight | 107 kg / 236 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 2.75-18 |
| Rear Tyre | 3.00-18 |
| FUEL SYSTEM | |
| Fuel Capacity | — |
| Fuel Consumption | — |
| Top Speed | — |
A simple air-cooled two-stroke 125 single with piston-valve induction, five gears and a front disc brake. It was a light, affordable learner-class road bike from the late 1970s, forerunner of the later RG125E and Gamma.
