It was the last model of the DS series in Japan. The seat height was suppressed to 670mm, same level as the 50cc model. It had the same equipment as the DS400.
It was a F1 replica model which was called by the name of the works machine. It had a new delta box, truss structure swing arm, and a FCR Φ 39mm carburetor with TPS.
While being an innovative sport bike, it was designed in an elegant style. It pursued its figurative beauty and claimed its sharpness and high quality texture.
It was a model based on the 90MS whose sales was launched in 1973. The engine for the 90SS, which generated 10PS, was detuned to suit the low-mid speed range.