J jreardan Member Sep 12, 2003 1 0 Sep 12, 2003 #1 what was the firest competitive four stroke dirt bike????
O OldMaiconut LIFETIME SPONSOR Apr 28, 2001 483 0 Sep 14, 2003 #2 BSA, Matchless, Ariel, take your pick. In the '50s and early '60s there weren't any others to choose from.
BSA, Matchless, Ariel, take your pick. In the '50s and early '60s there weren't any others to choose from.