Race. Reminisce. Repeat.

Where to Start

So you would like to come out and race with friends on this old bike. Which class will it go in?? Below are classes listed for each type of racing; Vintage Motocross, Post Vintage Motocross, and Cross Country.

Vintage Motocross Classes

Note: All classes are further divided into Novice, Intermediate and Expert rider ability levels.

Premier Lightweight: Certain pre-1965-era machines up to 250cc.
Premier 350: Certain 1960s-era four-stroke machines 300-350cc
Premier 500: Pre-1965-era machines up to 500cc
Premier Open Twins: Pre-1965 twin-cylinder machines 600cc and larger.
Classic 125: 125cc two-strokes and four-strokes up to 150cc, manufactured through December 1971 (and like-design).
Classic 250: Specific 250cc and smaller two-stroke machines introduced just after the Premier Lightweight era
                (i.e., four-speed Spanish motorcycles, twin-pipe CZ), as well as 350cc non-unit motorcycles.
Classic 500: Specific motorcycles from the late 1960s and early ’70s.
100cc Motocross: 88-100cc two-stroke and 88-120cc four-stroke motorcycles manufactured as 100s,
                 up to 1974 (and like-design).
Early Sportsman Stock: 250 and 500cc classes for certain lightly-modified machines
                 from the early part of the Sportsman era.
Sportsman: 125, 250 and 500cc classes for machines up to model year 1974.
Sportsman Open Twins: Twin-cylinder machines up to model year 1974, manufactured as 600cc and larger.
Open Age: Any AHRMA-eligible rider on an AHRMA-eligible vintage machine.
40+: Riders age 40 or older on any AHRMA-eligible vintage machine.
50+: Riders age 50 or older on any AHRMA-eligible vintage machine.
60+: Riders age 60 or older on any AHRMA-eligible vintage machine.
70+: Riders age 70 or older on any AHRMA-eligible vintage machine.
Women: Females riding any AHRMA-eligible vintage machine.

Post Vintage Classes

Note: All classes are further divided into Novice, Intermediate and Expert rider ability levels.

Historic 125: Certain 125cc and smaller motorcycles built up to and including the 1977 model year as the
                 first-generation of long-travel machines.
Historic 250: Certain 126-250cc motorcycles built up to and including the 1977 model year as the
                 first-generation of long-travel machines.
Historic 500: Certain 325-460cc two-strokes and four-strokes up to 636cc built up to and including the 1977 model year as the first-generation of long-travel machines.
Historic Four-Stroke: Certain four-stroke machines built up to and including the 1978 model year with up
                  to 636cc. Overhead cam machines are limited to 500cc.
Grand Prix 125: Certain post-1977 motorcycles up to 125cc.
Grand Prix 250: Certain post-1977 motorcycles 126-250cc.
Grand Prix 500: Certain post-1977 motorcycles 325-500cc two-stroke and up to 580cc four-stroke.
Ultima 125: Certain motorcycles up to 125cc that do not have disc brakes or power-valve type mechanism
                 built directly into the engine.
Ultima 250: Certain 126-250cc motorcycles that do not have disc brakes or power-valve type mechanism
                 built directly into the engine.
Ultima 500: Certain 325-580cc motorcycles that do not have disc brakes or power-valve type mechanism
                 built directly into the engine.
Ultima Four-Stroke: Certain 200-580cc four-strokes that were produced either with a single-shock rear
                 suspension or a newer engine technology.
Open Age: Any AHRMA-eligible rider on any eligible machine.
40+: Riders age 40 or older on any eligible machine.
50+: Riders age 50 or older on any eligible machine.
60+: Riders age 60 or older on any eligible machine.
70+: Riders age 70 or older on any eligible machine.
Women: Female riders on any eligible machine.

Note: All classes are further divided into Novice, Intermediate and Expert rider ability levels

Vintage Cross Country Classes

The following vintage classes parallel those used in AHRMA pre-1975 motocross with regard to machine eligibility and other requirements. Except for the Sportsman and Post-Vintage machine-based categories, classes are not further divided by engine displacement.

100cc: 88-100cc two-stroke and 88-120cc four-stroke motorcycles manufactured as 100cc or
                  smaller displacement; Novice, Intermediate & Expert.
Sportsman 200: Machines originally manufactured as 88-200cc displacement;
                  Novice, Intermediate & Expert.
Sportsman Open: Machines originally manufactured as 201cc and larger displacement;
                  Novice, Intermediate & Expert.
Classic: Novice, Intermediate & Expert.
Premier: Novice, Intermediate & Expert.
50+: Riders age 50 and older on any vintage-eligible machine; Novice, Intermediate & Expert.
60+: Riders age 60 and older on any vintage-eligible machine; Novice, Intermediate & Expert.
70+: Riders age 70 and older on any vintage-eligible machine; Novice, Intermediate & Expert.|
Women: Females on any vintage-eligible machine; Novice, Intermediate & Expert.

Post Vintage Cross Country Classes

The following post vintage classes parallel those used in AHRMA post vintage motocross with regard to machine eligibility and other requirements.

Historic 200cc: Machines originally manufactured as 88-200cc displacement;
                  Novice, Intermediate & Expert.
Historic Open: Machines originally manufactured as 201cc and larger displacement;
                  Novice, Intermediate & Expert.
Post Vintage 200: Gran Prix and Ultima-class machines manufactured as 88-200cc;
                  Novice, Intermediate & Expert.
Post Vintage Open: Gran Prix and Ultima-class machines manufactured as 201cc and larger;
                  Novice, Intermediate & Expert.
50+: Riders age 50 and older on any post-vintage-eligible machine; Novice, Intermediate & Expert.
60+: Riders age 60 and older on any post-vintage-eligible machine; Novice, Intermediate & Expert.
70+: Riders age 70 and older on any post-vintage-eligible machine; Novice, Intermediate & Expert.
Women: Females on any post-vintage-eligible machine; Novice, Intermediate & Expert.