Honda’s CB400 Four turns 50
Honda’s legendary CB400F is turning 50 this year, and Moto-Union is going to celebrate in style! We’re inviting all 400 Four owners to join our 50th celebration and make this a memorable milestone.
A legacy built to last
The Honda CB400F – known by many as the ‘400 Four’ – was launched at the Cologne Show in October 1974 for the 1975 model year, debuting in the UK in July 1975.
It has remained a favourite amongst many UK bikers and today demand and interest in this model continues, especially as values remain strong and parts supply is as plentiful as ever through David Silver Spares.
To celebrate this beloved classic, Moto Union is organising an event in 2025 where we aim to gather as many Honda CB400 Four motorbikes from 1975 to 1978 as possible. We’ll have a dedicated area for these iconic motorcycles, complete with memorabilia and an award for the best Honda CB400 Four.
Honda CB400F specifications
Power
Speed
Engine
Price New (1975):
£699
Production:
1975 – 1977
Engine:
408cc, 4-cylinder
Top Speed:
103.8 mph
Power:
37 bhp
Transmission:
6-speed
The sportsbike that started it all
The Honda CB400F, or the 400/4 as it’s more commonly known, was introduced in 1975 as a refinement of the CB350. It had a bigger engine, a six-speed gearbox, and a cool chromed 4-into-1 exhaust system. This defined its aesthetic appeal, embracing the European ‘cafe racer’ style with low handlebars and rearset footrests.
Despite its modest engine size, it earned a reputation for exceptional riding enjoyment. It quickly became a cherished classic and an important model in Honda’s history. It was made from 1975 to 1977 and came in two models, the F and F2. They had different designs and features, like paint colours, logos, and pillion footrest mounts. It’s a beloved and sought-after bike among collectors and enthusiasts today.
Honda’s CB400F may have only been around for three years, but it played a huge role in shaping the world of motorcycles. As Japan’s first true sportbike, the 1975 CB400F Super Sport was the first Japanese motorcycle to combine modern sporty design and performance.
Despite its fewer horsepower compared to rival two-strokes, the CB400F offered superior refinement, smoothness, and fuel efficiency, aided by its six-speed transmission. This model also found success in club racing, with racers like Kaz Yoshima boosting its performance and solidifying its reputation as a formidable contender on the track.
It’s not just us – everyone loves the Honda 400 Four
Four-midable: From shed project to show winner
Steve Pendlebury stored his beloved Honda CB400/Four at his dad’s for 30 years. When his dad sadly passed away, he decided to honour him by getting the Honda back to it’s beautiful best.
David Silvers Spares Honda 50th celebration event
This year marks 50 years since the Honda CB400F Four was brought into production! The David Silver Spares Museum hosted an event in September 2024 to celebrate.