Yamaha OX99-11

The Yamaha OX99-11 was a sports car project from Yamaha that was meant to reach production in 1994. It was designed by Yamaha subsidiary Ypsilon Technology together with International Automotive Design (IAD); budget disagreements between Yamaha and IAD led to the project being handed to Ypsilon Technology. The aim was to bring Formula One technology to the road. The car was built on a carbon fiber monocoque with hand-beaten aluminium bodywork, a central driver seat and a passenger seat positioned behind, and was powered by a longitudinally mounted 3.5 litre V12 derived from the Yamaha Formula One engine, detuned to 400 hp (300 kW) at 10,000 rpm and paired with a six speed manual gearbox. The global recession of the early 1990s, and costs of 800,000 to 1,000,000 dollars per unit with a six month build time, led to delays and finally to cancellation. One known prototype is at the Yamaha Communication Plaza in Iwata and the other two are in private hands.