The Suzuki GSX-R400 was a 400 class sport bike produced by Japanese motorcycle manufacturer Suzuki between 1984 and 1996. It was the first GSX-R model ever made by Suzuki, as a race replica evolution

The Honda CBR400 is a Japanese domestic market small-capacity sport motorcycle, part of the CBR series introduced by Honda in 1983. It was the first Honda motorcycle to wear a CBR badge.