1978 Honda CBX

1978 Honda CBX

The 1978 1978 Honda CBX packs a 1047cc DOHC inline-6 engine with 105hp into a standard motorcycle package from Honda.

Specifications

Engine

Type
DOHC inline-6
Displacement
1047 cc
Cylinders
6
Power
105 hp @ 9000 rpm
Torque
85.0 Nm
Compression
Bore × Stroke
64.5 × 53.4 mm
Cooling
Air-cooled
Fuel System
6x Keihin carburetors

Chassis & Transmission

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

Performance

Top Speed
215 km/h (134 mph)
¼ Mile

Dimensions & Weight

Dry Weight
247 kg (545 lbs)
Wet Weight
272 kg (600 lbs)
Seat Height
810 mm
Wheelbase
1510 mm
Ground Clearance
Fuel Capacity
22.0 L

History & Story

In 1978, Honda launched the 1978 Honda CBX — a standard motorcycle that would come to define an era of motorcycling. Hailing from Japan, it combined Japan engineering with standard motorcycle appeal.

The 1978 Honda CBX is motivated by a 1047cc DOHC inline-6 six-cylinder unit delivering 105hp at 9000 rpm. Breathing through 6x Keihin carburetors and kept cool by air-cooled, the engine drives through a 5-speed transmission with chain final drive.

The chassis employs a steel double cradle frame with telescopic fork up front and twin shock at the rear. Stopping power comes from dual disc front and single disc rear brakes. Tipping the scales at 247 kg (545 lbs) dry, the 1978 Honda CBX offers a manageable riding experience with a 1510 mm wheelbase.

Performance-wise, the 1978 Honda CBX achieves a claimed top speed of 215 km/h (134 mph). With a generous fuel capacity of 22.0 liters, it offers reasonable range for standard motorcycle duties. The seat height of 810 mm makes it comfortable for most riders.

Today, the 1978 Honda CBX is considered a highly sought-after classic that commands strong prices among collectors worldwide. Parts availability is rated as good, making ownership relatively straightforward. It remains an icon of Honda motorcycling from 1970s.

Known Issues

  • Charging system can be weak on early models

Fun Facts

  • The 1978 Honda CBX was one of the largest-displacement motorcycles of its era
  • With 105hp, the 1978 Honda CBX was considered extremely powerful when launched
  • Pristine examples of the 1978 Honda CBX can command six-figure prices at auction
  • The 1978 Honda CBX is considered one of the most collectible motorcycles from Honda
  • The 1978 Honda CBX is widely regarded as a milestone in motorcycle history

Collector Information

Parts Availability
Good
Collector Rating
9/10

Resources & Parts