Honda CB550 F (1978)

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The Honda CB 550F2 is a classic motorcycle model from 1978. It has a four-stroke, transverse four-cylinder engine with a capacity of 544 cc and a cooling system that relies on air instead of water. The compression ratio is 9.0:1 and the bike features 4x Keihin, 22mm carburetors for induction. The engine produces a maximum power of 50 hp at 8500 rpm and a maximum torque of 43.1 Nm at 7400 rpm. The bike is equipped with a five-speed transmission, and the final drive is through a chain. The frame is made of double cradle tubular steel. The front suspension consists of 35mm telescopic hydraulic forks, while the rear suspension features dual shocks with lateral adjustable preload. The front brakes are single 270mm disc brakes, and the rear brakes are drum brakes. The bike has a rake of 64 degrees and a trail of 105mm/4.1 inches. The wheelbase measures 1405 mm/ 55.3 inches and the seat height is 805 mm/31.7 inches. The bike has a dry weight of 191 kg/421 lbs and a wet weight of 206.0 kg/454.2 lbs with a fuel capacity of 14 litres/ 3.7 US gallons. The Honda CB550 F2 is a classic example of a motorcycle model from the 1970s, with many features that are still considered impressive today.

Technical specifications:

Make Model: Honda CB 550F2

Year: 1978


Engine: Four stroke, transverse four cylinder, four stroke, SOHC, 2 valves per cylinder.
Capacity: 544 cc / 33.1 cu-in
Bore x Stroke: 58.5 x 50.6 mm
Cooling System: Air cooled
Compression Ratio: 9.0:1
Induction: 4x Keihin, 22 mm carburetors
Ignition: Battery, with points
Starting: Electric & kick
Max Power: 50 hp / 36.5 kW @ 8500 rpm
Max Torque: 43.1 Nm / 31.8 lb-ft @ 7400 rpm
Transmission: 5 Speed
Final Drive: Chain
Frame: Double cradle tubular steal
Front Suspension: 35mm Telescopic hydraulic forks,
Rear Suspension: Dual shocks, lateral adjustable preload

Front Brakes: Single 270mm disc
Rear Brakes: Drum
Front Tyre: 3.25-19
Rear Tyre: 3.75-18
Rake: 64 degrees
Trail: 105 mm / 4.1 ub
Wheelbase: 1405 mm / 55.3 in
Seat Height: 805 mm / 31.7 in
Dry Weight: 191 kg / 421 lbs
Wet Weight: 206.0 kg / 454.2 lbs
Fuel Capacity: 14 Litres / 3.7 US gal

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