Takazumi Katayama (JAP) - Honda NR 500GP Victories: 11 - 3 x 250cc / 7 x 350cc / 1 x 500cc
GP Podiums: 35 - 13 x 250cc / 14 x 350cc / 8 x 500cc
World Champion: 1 - 1 x 350cc
Honda NR 500 (NR = New Racing)
Watercooled, 4-cylinder ovale pistons, DOHC, 32 valves, 8 Spark Plugs,
Bore x Stroke: 93.4 x 41.0 x 36.0, V-Bank-90 degree,
130 bhp @ 19.000 rpm, 6 Speed
More info at this link:
http://world.honda.com/history/challenge/1979grandprix/text/03.html