1974 Honda CB550 Four

1974 Honda CB550 Four

Honda released the 1974 Honda CB550 Four in 1974 with a 544cc SOHC inline-4 powerplant making 50hp — a definitive standard motorcycle.

Specifications

Engine

Type
SOHC inline-4
Displacement
544 cc
Cylinders
4
Power
50 hp @ 8500 rpm
Torque
43.0 Nm
Compression
Bore × Stroke
58.5 × 50.6 mm
Cooling
Air-cooled
Fuel System
4x Keihin carburetors

Chassis & Transmission

Frame
Steel double cradle
Front Suspension
Telescopic fork
Rear Suspension
Twin shock
Front Brake
Single disc
Rear Brake
Drum
Front Tyre
Rear Tyre
Transmission
5-speed
Final Drive
Chain

Performance

Top Speed
180 km/h (112 mph)
¼ Mile

Dimensions & Weight

Dry Weight
195 kg (430 lbs)
Wet Weight
211 kg (465 lbs)
Seat Height
800 mm
Wheelbase
1410 mm
Ground Clearance
Fuel Capacity
14.0 L

History & Story

When Honda unveiled the 1974 Honda CB550 Four in 1974, it signaled the company's commitment to the standard motorcycle segment. Built in Japan, this standard motorcycle embodied the spirit of 1970s motorcycling.

The 1974 Honda CB550 Four is motivated by a 544cc SOHC inline-4 four-cylinder unit delivering 50hp at 8500 rpm. Breathing through 4x Keihin carburetors and kept cool by air-cooled, the engine drives through a 5-speed transmission with chain final drive.

Built around a steel double cradle frame, the 1974 Honda CB550 Four suspends its 195 kg (430 lbs) on telescopic fork forks and twin shock rear units. Braking relies on single disc at the front and drum at the rear, with a 1410 mm wheelbase providing stability.

Performance-wise, the 1974 Honda CB550 Four achieves a claimed top speed of 180 km/h (112 mph). With a fuel capacity of 14.0 liters, it offers reasonable range for standard motorcycle duties. The seat height of 800 mm makes it comfortable for most riders.

Known Issues

  • Cam chain tensioner wear
  • Carb synchronization needed regularly
  • Charging system can be weak on early models

Fun Facts

  • The 1974 Honda CB550 Four was produced in Honda's Japan facilities
  • The 1974 Honda CB550 Four featured a steel double cradle frame typical of 1970s design philosophy

Collector Information

Parts Availability
Good
Collector Rating
6/10

Resources & Parts