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Honda CB550 F (1978)

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Honda CB550 F (1978)

At a glance

Capacity
544 cc / 33.1 cu-in
Power
50 hp / 36.5 kW @ 8500 rpm
Torque
43.1 Nm / 31.8 lb-ft @ 7400 rpm
Seat height
805 mm / 31.7 in

The full picture.

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

Motorcycle technical specifications
Year1978
EngineFour stroke, transverse four cylinder, four stroke, SOHC, 2 valves per cylinder.
Capacity544 cc / 33.1 cu-in
Bore x Stroke58.5 x 50.6 mm
Cooling SystemAir cooled
Compression Ratio9.0:1
Induction4x Keihin, 22 mm carburetors
IgnitionBattery, with points
StartingElectric & kick
Max Power50 hp / 36.5 kW @ 8500 rpm
Max Torque43.1 Nm / 31.8 lb-ft @ 7400 rpm
Transmission5 Speed
Final DriveChain
FrameDouble cradle tubular steal
Front Suspension35mm Telescopic hydraulic forks,
Rear SuspensionDual shocks, lateral adjustable preload
Front BrakesSingle 270mm disc
Rear BrakesDrum
Front Tyre3.25-19
Rear Tyre3.75-18
Rake64 degrees
Trail105 mm / 4.1 ub
Wheelbase1405 mm / 55.3 in
Seat Height805 mm / 31.7 in
Dry Weight191 kg / 421 lbs
Wet Weight206.0 kg / 454.2 lbs
Fuel Capacity14 Litres / 3.7 US gal