Takazumi KatayamaTakazumi Katayama is a Korean former Grand Prix motorcycle road racing world champion who raced as a Japanese.FB takazumi.katayamaMotorcycle racing careerKatayama was the first Asian rider to win a motorcycle road racing world championship when he claimed the 1977 350cc [List of Grand Prix motorcycle racing|Grand Prix motorcycle racing World Champions by year|world championship] aboard a Yamaha. In 1979 he accepted an offer from Honda to develop their exotic oval-cylinder, four-stroke NR500 race bike. After retiring from competition, Katayama became a motorcycle Grand Prix racing team owner.Career statisticsGrand Prix motorcycle racingRaces by yearYearClassBike123456789101112Pts1974250ccYamahaGERNATIOMNEDRetBEL3SWE1FIN5CZE2YUGRetSPARet4th431976250ccYamahaFRADNQNAT2YUGRetIOM2NED2BEL3SWE1FIN2CZE3GER7SPA2nd731976350ccYamahaFRA4AUTRetNAT10YUG3IOM9NEDRetFINDNSCZE11GER4SPA7th281976500ccYamahaFRAAUTDNSNATIOM4NEDBELRetSWEFINRetCZEGER26th81977250ccYamahaVENGERRetNAT8SPA1FRA8YUG2NED6BEL2SWE4FINRetCZERetGBRRet4th581977350ccYamahaVENGER1NAT3SPA3FRA1YUG1NEDRetSWE1FIN1CZERetGBRRet1st951977500ccYamahaVENAUTDNSGERNATFRANEDBELRetSWEFINCZEGBRNC01978350ccYamahaVEN1AUT3FRARetNAT3NEDRetSWE3FIN2GBRRetGER1CZE6YUG2nd771978500ccYamahaVENRetSPA3AUTRetFRARetNATRetNED4BEL6SWE3FIN2GBR9GER55th531979350ccYamahaVENAUTRetGERNATSPAYUGNEDFINGBRCZEFRANC01979500ccHondaVENAUTGERNATSPAYUGNEDBELSWEFINGBRRetFRADNQNC01980500ccSuzukiNAT6SPA4FRA6NEDRetBELGER1210th181980500ccHondaFINDNSGBR1510th181981500ccHondaAUT13GERRetNATRetFRARetYUGNEDRetBELRSMGBRFINSWENC01982500ccHondaARG6AUT9FRADNSSPA6NAT7NED8BELRetYUG5GBRRetSWE1RSMRetGER47th481983500ccHondaRSARetFRARetNAT5GER2SPA3AUT4YUG5NED2BEL4GBR6SWE3RSMDNS5th771984500ccHondaRSANATSPAAUTGERFRADNSYUGNED8BELGBR8SWE4RSMRet13th141985500ccHondaRSASPARetGER11NATDNSAUT14YUGRetNEDRetBEL8FRAGBRSWERSM17th3