Honda CB125 (1981)

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The 1981 Honda CB125 is a motorcycle with a four stroke, twin cylinder, OHC engine, and a capacity of 124cc. It has a compression ratio of 7.4:1 and an induction system of 2x Keihin 22mm slide type manual choke. Its maximum power is 17 horsepower or 12.4 kilowatts at 11500 rpm, and it has a multi-disc, wet clutch and a 5-speed transmission. The final drive is a chain, and the gear ratio is 5th 9.46 / 4th 11.10 / 3rd 13.72 / 2nd 17.81 / 1st 26.20. The front suspension features a telescopic fork with 4.5 in wheel travel, while the rear suspension has a swing arm with 2.6 in wheel travel. The front and rear tires are 2.50-18 and 2.75-18, respectively. The motorcycle’s dry weight is 133 kg or 295.4 lbs, and it has a fuel capacity of 10 liters or 10.6 US gallons.

Technical specifications:

Make Model: Honda CB 125 Disc

Year: 1981


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.

Swing arm, 2.6 in wheel travel.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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