Formula Classic rules are being formalized a bit more this year... As before there will be a "machines not falling into these categories might be allowed at the discretion of the rider rep." The following machines are eligible to race in Formula Classic: Vintage machines in production before the model year 1979 of unlimited displacement. Classic Middleweight machines produced between the years 1980-1990 of up to 650cc displacement. Classic Heavyweight machines produced between the years 1980-1990 with a displacement of 651+ cc's Model continuation rules apply. Dust off those big bore classics!
