Loading…
| 1976 |
| 1977 |
| 1978 |
| 1979 |
| 1980 |
| 1981 |
| 1982 |
| 1983 |
| 1984 |
| 1985 |
| 1986 |
| 1987 |
| 1988 |
| 1989 |
| 1990 | 37.8 hp | 86.5 kg |
| 1991 |
| 1992 |
| 1993 |
| 1994 |
| 1995 |
| 1996 |
| 1997 |
| 1998 |
| 1999 |
| 2000 |
| 2001 |
| 2002 | 39.7 hp | 87 kg |
| 2003 |
| 2004 | 87.1 kg | 945 mm | US$4,999 |
| 2005 | 87.1 kg | 945 mm | US$5,099 |
| 2006 | 40.5 hp | 87 kg | 945 mm |
| 2007 | 87 kg | 945 mm |
| 2008 |