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Jan Kostwinder

Record type: Motorsport Biographies

Nationality: Dutch

Competed in

1975 Senior TTRYamaha
1975 Lightweight TT381:41:59.0088.79Yamaha
1975 Junior TT272:01:44.0092.98Yamaha
1975 Classic TTRYamaha
1974 Ultra Lightweight TT61:19:48.0085.1Yamaha
1974 Senior TTRYamaha
1974 Lightweight TTRYamaha
1974 Junior TT332:00:50.2093.67Yamaha
1973 Ultra Lightweight TT21:17:21.6087.79Yamaha
1973 Senior TTRYamaha
1973 Lightweight TTRYamaha
1973 Junior TT141:59:58.6094.34Yamaha
1972 Lightweight TT211:41:35.0089.15Yamaha
1972 Junior TT152:07:40.8088.67Yamaha
1971 Ultra Lightweight TTRYamaha
1971 Lightweight TT211:42:42.8088.18Yamaha
1971 Junior TT262:33:15.0073.87Yamaha
1970 Ultra Lightweight TTRYamaha


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