1978 Honda CB 550 Engine

• The 1978 CB 550 included an in-line four, four-stroke engine that produced 50 horsepower at 8,500 rpm. Its displacement was 544 cc with a 2.3-inch bore and a 2.0-inch stroke. Its top speed was 108.7 mph.
  
  

1978 Honda CB 550 Transmission and Brakes

• The 1978 CB 550 offered a five-speed transmission with chain-type drive. It also included single-disc brakes in the front and expanding brakes in the rear.
  
  

1978 Honda CB 550 Weight and Fuel Capacity

• The 1978 Honda CB 550 K models offered a weight of 458.6 pounds with a fuel capacity of 4.23 gallons. The CB 550 F models included a weight of 454.2 pounds with a 4.49-gallon fuel capacity.