1990 Jedi hillclimb car powered by a Yamaha TZ500 four cylinder two stroke engine on methanol. It also competed successfully in the 1100cc class in 750cc trim.
In the seventies and eighties two stroke multi-cylinders were common in sidecar track racing. In Germany they used König and homemade Yamaha triples as first made by Rudi Kurth. Later Suzuki GT750 and Yamaha TZ500 and 750 were used. in 1980 multi-cylinders were banned.