Honda NS500

The Honda NS500 is a 500cc Grand Prix racing motorcycle of the early 1980s, powered by a two-stroke V3 engine. Created as a replacement for the innovative but unsuccessful four-stroke NR500, the bike went against Honda's preference for four-stroke machines but proved very effective and quickly won the 1983 500cc World Championship with Freddie Spencer on board. Spencer was able to use the lower weight and superior handling of the NS500 to achieve higher cornering speeds, and getting on the power earlier leaving corners. Ron Haslam also won the 1983 Macau Grand Prix. After a relatively short lifespan the bike was replaced by the more successful two-stroke, V4 engine powered NSR500.

Honda NS500
ManufacturerHonda Racing Corporation
Production1982–1983
PredecessorHonda NR500
SuccessorHonda NSR500
Class500 cc
Engine499 cc (30.5 cu in) two-stroke 112° V3
Bore / stroke62.6 mm × 54 mm (2.46 in × 2.13 in)
Power123 hp (92 kW) @ 11,000 rpm
Torque78 N⋅m (58 lbf⋅ft) @ 10,500 rpm
Wheelbase1,380 mm (54 in)
Weight108 kg (238 lb) (dry)
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