Tricars was a Czech builder of record-setting three-wheelers. In August 1986 Jaroslav Kunský drove the first of them, powered by a Yamaha 350 engine, at the Most circuit. He set two world endurance records in cyclecar category B3, for 12 hours and for 1,000 km, at an average speed above 65 km/h. A second record three-wheeler followed in 1989, designed by Luboš Hamouz. It had a Yamaha 350 engine of…