| MODEL | HONDA CB 125RS-D 1983 |
| Year | 1983 |
| Engine Type | Four stroke, single cylinder, OHC |
| Displacement / Capacity | 124 cc / 7.6 cu in |
| Bore X Stroke | 56.5 x 49.5 mm |
| Compression Ratio | 9.2:1 |
| Cooling System | Air cooled |
| Max Power | 8.9 kW / 12 hp @ 9500 rpm |
| Max Torque | 9.8 Nm / 1 kgf-m @ 8500 rpm |
| Ignition | Contact breaker points |
| Induction | Keihin 24 mm slide type carburettor, manual choke |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5 Speed |
| Clutch | Wet, multi-disc |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Air-assisted telescopic hydraulic fork |
| Rear Suspension | Box-section swing arm, twin shocks |
| Front Brakes | Hydraulic single disc |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | 1960 mm |
| Overall Width | 745 mm |
| Overall Height | 1070 mm |
| Seat Height | 765 mm |
| Wheelbase | 1285 mm |
| Ground Clearance | 160 mm |
| Dry Weight | 100 kg |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 2.75-18 4PR |
| Rear Tyre | 3.00-18 4PR |
| FUEL SYSTEM | |
| Fuel Capacity | 11 Litres |
| Fuel Consumption | — |
| Top Speed | — |
The CB 125RS-D was a sportier-styled variant of the single-cylinder CB125 offered in 1983. It used the 124 cc OHC single with points ignition and a five-speed gearbox, but had an air-assisted front fork, a box-section swing arm and a hydraulic front disc. It sat at the entry level of Honda's range as a learner-friendly road bike.
