Analysis of information sources in references of the Wikipedia article "S&S Cycle" in English language version.
This S&S-supplied powerplant is a bit more modern, though: It produces 81 hp, is fuel-injected, and is mated to a Mazda-sourced five-speed gearbox.
It was announced to have an 81-horsepower V-twin motorcycle engine built by S & S, the same company that builds motors for so-called Harley clone choppers, and is closely based on late-model Harley-Davidson power plants. However, the UK test the final bhp at 81 bhp.
This S&S-supplied powerplant is a bit more modern, though: It produces 81 hp, is fuel-injected, and is mated to a Mazda-sourced five-speed gearbox.
