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 on an NS. After a relatively short lifespan the bike was replaced by the more successful two-stroke, V4 engine powered NSR500 .
6-577: In 1983, Honda introduced a production version of the NS500 called the RS500 for privateer racers. These were very similar to the NS500 machines used by the factory racing team but, lacked the special exhaust system. This motorcycle, scooter or moped-related article is a stub . You can help Misplaced Pages by expanding it . This Motorcycle racing-related article is a stub . You can help Misplaced Pages by expanding it . Privateer (motorsport) In motorsport ,
12-403: A privateer is usually an entrant into a racing event that is not directly supported by an automobile or motorcycle manufacturer. Privateers teams are often found competing in rally , circuit racing and motorcycle racing events and often include competitors who build and maintain their own vehicles and motorcycles . In previous Formula One seasons, privately owned teams would race using
18-643: The World Drivers' Championship ; ( Italics ) Constructor won the World Constructors' Championship Across 32 seasons, only one privateer team contributed to a Formula One World Championship : Matra International in 1969 . The team—later known as Tyrrell Racing Organisation —helped constructor Matra win the World Constructors' Championship with the MS80 , and driver Jackie Stewart win his maiden World Drivers' Championship . This motorsport-related article
24-470: The chassis of another team or constructor in preference to building their own car; the Concorde Agreement now prohibits this practice. Increasingly, the term is being used in a Formula One context to refer to teams, such as Williams , that are not at least part-owned by large corporations . Many privateer entrants compete for the enjoyment of the sport, and are not paid to be racing drivers . From
30-430: The first Concorde Agreement . As of the 2024 Qatar Grand Prix , there have been 20 victories by three privateer teams at Formula One Grands Prix : ten by Matra International/Tyrrell Racing , nine by Rob Walker Racing Team and one by FISA . The first win was achieved by Walker at the 1958 Argentine Grand Prix , and the last win was achieved by Tyrrell at the 1970 Spanish Grand Prix . Key: ( Bold ) Driver won
36-523: The inaugural 1950 season until 1981 , several privateer teams entered chassis at Formula One Grands Prix . Some of them—such as Tyrrell and Williams —later began to build their own chassis and thus became constructors , as well as works teams . At the 1981 Spanish Grand Prix , Equipe Banco Occidental became the last privateer team to enter Formula One, using a Williams chassis. Privateer entries have been prohibited in Formula One since 1981 under
#657342