Honda CB250RS (1980-81)

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The Honda CB 250RS motorcycle was produced from 1980 to 1981 and had a four stroke, single cylinder, SOHC, 4 valve engine with a capacity of 249 cc / 15.1 cu-in. It had a 30mm Keihin carburetor induction system, CDI ignition, and an electric starting system. The motorcycle had a maximum power of 33 hp / 24.6 kW @ 8500 rpm and a maximum torque of 12.6 Nm / 9.2 lb-ft @ 8000 rpm. The transmission was 5-speed with a final drive of a chain. It had a front suspension of telescopic forks with a 120 mm / 4.7 in wheel travel and a rear suspension of dual shock with adjustable preload and a 90 mm / 3.5 in wheel travel. The front brake was a single 250mm disc and the rear brake was a 140 drum. The front tyre was 3.00-18 and the rear tyre was 4.10-18. The dry weight of the motorcycle was 136 kg / 300 lbs, while the wet weight was 148.0 kg / 326.3 lbs. The motorcycle had a fuel capacity of 13 litres / 3.4 US gal with an average consumption of 25 km/lit. The standing 1/4 mile time was 16.3 seconds, and the top speed was 136 km/h / 84.5 mph.

Technical specifications:

Make Model: Honda CB 250RS

Year: 1980 – 81


Engine: Four stroke, single cylinder, SOHC, 4 valve
Capacity: 249 cc / 15.1 cu-in
Bore x Stroke: 74 x 57.8 mm
Cooling System: Air cooled
Compression Ratio: 9.3:1
Induction: 30mm Keihin carburetor
Ignition: CDI
Starting: Electric
Max Power: 33 hp / 24.6 kW @ 8500 rpm
Max Torque: 12.6 Nm / 9.2 lb-ft @ 8000 rpm
Transmission: 5 Speed
Final Drive: Chain
Front Suspension: Telescopic forks
Front Wheel Travel: 120 mm / 4.7 in
Rear Suspension: Dual shock with adjustable preload

Rear Wheel Travel: 90 mm / 3.5 in
Front Brakes: Single 250mm disc
Rear Brakes: 140 Drum
Front Tyre: 3.00-18
Rear Tyre: 4.10-18
Dry Weight: 136 kg / 300 lbs
Wet Weight: 148.0 kg / 326.3 lbs
Fuel Capacity: 13 Litres / 3.4 US gal
Consumption Average: 25 km/lit
Standing 1/4 Mile: 16.3 sec
Top Speed: 136 km/h / 84.5 mph

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