Honda CB250RS (1980-81)

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The Honda CB 250RS was a motorcycle model produced in 1980 to 1981. The engine had a four-stroke, single cylinder, SOHC, and a four-valve. The capacity was 249 cc with a bore x stroke of 74 x 57.8mm. It had an air-cooled cooling system with a compression ratio of 9.3:1, an induction of 30mm Keihin carburetor, and a CDI ignition. The maximum power output was 26 hp, while maximum torque was 12.6 Nm. The bike had a kick start feature, a 5-speed transmission, and a chain final drive. The front suspension used telescopic forks with a front wheel travel of 120 mm. The rear suspension used dual shock with adjustable preload and had a wheel travel of 90 mm. The front brakes were a single 250mm disc, while the rear brakes were a 140 drum. The front tire was 3.00-18, while the rear tire was 4.10-18. The dry weight was 136 kg, while the wet weight was 148.0 kg. The fuel capacity was 13 liters. The average fuel consumption was 25 km per liter. The bike’s standing 1/4 mile was 16.3 seconds, and its top speed was 136 km/h or 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: Kick
Max Power: 26 hp / 19.0 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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