List of Trans-AMA motocross champions
- List of Trans-AMA motocross champions
The following is a list of Trans-AMA Champions, from 1970 to 1978. The motocross series was an invitational based on a 500cc engine displacement formula, run on American tracks featuring the top riders from the F.I.M. world championship against the top American riders. In 1970 and 1971, the highest placing American rider at the end of the series was considered the A.M.A. national champion. After 1978 the series was renamed the Trans-USA series, but had fewer European riders participating. The Inter-AMA series was a similar year-end championship, but used a 250cc engine displacement formula.
Trans-AMA champions
Reference
* [http://www.motocrossactionmag.com/ME2/dirsect.asp?sid=9945527E1D6A4953ACE23BB700C838FF&nm=EVERY+CHAMP Motocross Action]
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