Second version of the 1000cc V4 "Bi-Pantah". Circa 1982. This final version of the SOHC 2 valve per cylinder desmo had very oversquare 78 x 52mm bore/stroke dimensions and weighed 98kg. It used oil & air cooling. Benched tested at 105hp @ 9,500rpm in touring tune with mufflers, it made 132hp @ 11,000rpm with slight tuning. Photographed in the Engine Test Dept. at the Factory, June 2007.