Honda CB125 (1976-77)

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The Honda CB125 Disc was a motorcycle produced by Honda from 1976 to 1977. It had a four stroke, twin cylinder, OHC engine with a capacity of 124cc and a compression ratio of 7.4:1. It had 2x Keihin 22mm slide type manual choke and used battery and coil ignition with kick start. The bike had a maximum power of 17hp at 11500rpm and a clutch system of multi-disc, wet. It had a 5-speed transmission with a final drive of chain gear ratio of 5th 9.46, 4th 11.10, 3rd 13.72, 2nd 17.81, and 1st 26.20. The front suspension was telescopic fork, 4.5in wheel travel while the rear suspension was swing arm, 2.6in wheel travel. The front brakes were single 240mm disc and the rear brakes were 130mm drum. The front tyre was 2.50 -18 while the rear tyre was 2.75 -18. It had a dry weight of 133kg and fuel capacity of 10 litres (10.6 US gal).

Technical specifications:

Make Model: Honda CB 125 Disc

Year: 1976 – 77


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: Battery & coil
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

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