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TAMIYA Motorcycle Series No.60

About the Honda NR 750
In 1979, 500cc motorcycle racing was dominated by 2-stroke machines. Honda introduced the NR500 4-stroke racer that year, in an attempt to break this 2-stroke hold on 500cc Grand Prix Championships. Honda's bike had an epoch-making aluminum monocoque frame, 16-inch wheels, and was powered by a 32-valve, V-4 cylinder engine using oval-pistons. Each cylinder had 8-valves and two spark-plugs that enabled it to turn at an astonishing 20,000rpm, and producing horsepower equivalent to a 2-stroke engine.

The NR500 failed as a G.P. racing machine, but Honda continued to develop it because of its performance potential. After years of trial and error, the NR reappeared on the racing scene in 1987 as a 750cc endurance racer. This proved that an oval-piston concept was workable. During the 1991 Geneva and Tokyo Motor Shows, Honda introduced a production version of this hi-tech motorcycle which they simply called "NR." The sophisticated powerplant of the 750cc "NR" uses fuel injection and is capable of producing 130 HP at a realistic 14,000rpm. This phenomenal engine is mounted on an exceptionally rigid all-aluminum twin-spar frame which rides on 16 inch front & 17 inch rear cast magnesium wheels, like those seen on racing machines. The cowling is fabricated from carbon-composite for durability and weight savings. The Honda NR is a true "dream-bike" that exceeds performance standards of today's motorcycle technology, taking a big leap into the future.