The Honda CB125 Disc, produced in 1980, features a Four stroke, twin cylinder, OHC, 2 valve per cylinder, with a capacity of 124cc/7.6 cu-in. It has an air-cooled cooling system, with a compression ratio of 7.4:1, and uses 2x Keihin 22mm slide type manual choke for induction. The ignition is CDI, and the bike is started with a kick. It has a multi-disc, wet clutch, and a 5-speed transmission with a chain final drive. The gear ratio is 5th 9.46/4th 11.10/3rd13.72/2nd 17.81/1st 26.20. It has a telescopic fork front suspension, with a 4.5-inch wheel travel and a swing arm rear suspension with a 2.6-inch wheel travel. The front brake is a single 240 mm disc and the rear brake is a 130 mm drum. The front tyre is 2.50-18, while the rear tyre is 2.75-18. Its dry weight is 133 kg/295.4 lbs, and it has a fuel capacity of 10 litres/10.6 US gal. The CB125 Disc puts out a maximum power of 17 hp/12.4 kW at 11500 rpm and an unknown amount of torque.
Technical specifications:
Make Model: Honda CB 125 Disc
| Year | 1980 |
|---|---|
| Engine | Four stroke, twin cylinder, OHC, 2 valve per cylinder |
| Capacity | 124 cc / 7.6 cu-in |
| Bore x Stroke | 44 x 41mm |
| Cooling System | Air cooled |
| Compression Ratio | 7.4:1 |
| Induction | 2x Keihin 22mm slide type manual choke |
| Ignition | CDI |
| Starting | Kick |
| Max Power | 17 hp / 12.4 kW @ 11500 rpm |
| Max Torque | NA |
| Clutch | Multi-disc, wet |
| Transmission | 5 Speed |
| Final Drive | Chain |
| Gear Ratio | 5th 9.46 / 4th 11.10 / 3rd 13.72 / 2nd 17.81 / 1st 26.20 |
| Front Suspension | Telescopic fork, 4.5 in wheel travel. |
| Rear Suspension | Swing arm, 2.6 in wheel travel. |
| Front Brakes | Single 240mm disc |
| Rear Brakes | 130mm Drum |
| Front Tyre | 2.50 -18 |
| Rear Tyre | 2.75 -18 |
| Dry-Weight | 133 kg / 295.4 lbs |
| Fuel Capacity | 10 Litres / 10.6 US gal |
