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Class
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Description
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TEAM Class
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Being sorted for 2011. Stay tuned!
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Pre-71 100cc
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Any 1970 or earlier 100cc machine and LIKE DESIGN. This class does not split up ability levels.
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Pre-85 100cc
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Any 1984 or earlier 100cc machine. Period modifications only. This class does not split up ability levels.
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Pre-75 125
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Any 1974 or earlier 125 cc machine. This class has ability levels A, B, and C.
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Pre-75 250
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Any 1974 or earlier 250 cc machine. This class has ability levels A, B, and C.
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Pre-75 Open
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Any 1974 or earlier 251 - Open cc machine. This class has ability levels A, B, and C.
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Pre-75 Open Age
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Any age rider on any 1974 or earlier machine of any size. This class does not split up ability levels.
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40+ Evo
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Riders 40 years and older on any Evolution machine - see description below of Evolution class. This class does not split up ability levels.
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30+ Vintage 80's
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Riders 30 years and older on any Vintage 80's machine - see description below of Vintage 80's class. This class does not split up ability levels.
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Pre-78
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Any machine 1975 – 1977 and like design. This class has ability levels A, B, and C.
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Evolution 200
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100 - 200 cc air cooled, drum brake and non-linkage suspension. This class has ability levels A, B, and C.
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Evolution Open
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201 - Open cc air cooled, drum brake and non-linkage suspension. This class has ability levels A, B, and C.
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GP Classes |
Extra laps
in these classes. This class does not split up ability levels. To ride this class, riders
must also be entered in one or more other ACR classes. Bike
eligibility for each
GP division is determined by displacement, not engine type (2-stroke, 4-stroke) i.e; no
250f machines in the 125 GP class, no 450f machines in the 250 GP class. The GP classes are as follows: |
Pre-75 125 GP |
1974 and earlier 125 cc machines only. |
Evo 125 GP |
Evolution 125 cc machines only. |
Vintage 80's 125 GP |
Vintage 80's 125 cc machines only. |
125 GP |
1990 and newer 125 cc machines only. |
250 GP |
126-250 cc machines only. |
Open GP |
251-Open cc machines only. |
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Vintage 80's |
Machines 1980 - 1989,
period modifications allowed, like design rule does not apply.
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Vintage 80's 200 |
100-200cc machines
only. This class has ability levels A, B, and C. |
Vintage 80's Open |
201-Open cc machines
only. This class has ability levels A, B, and C. |
| Vintage 90's
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All bikes made from 1990 - 1998. All period
modifications are allowed. As in the Vintage Eighties Class, like-design
machines are not allowed, just 1990-99 machines. This class has ability levels A, B, and C. |
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ACR Modern
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125 - Open cc machines through current model year. To ride this class riders
must also be entered in one or more vintage classes. This class has ability levels A, B, and C.
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Women
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Participants can ride any 85 cc and up machine. This class does not split ability levels.
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Junior
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Riders 12-15 years of age with an ACR parent/guardian and an air-cooled, drum
brake, non-linkage 125cc machine. This class does not split ability levels.
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Mini
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0-99 cc two stroke, 0-150 cc four stroke, no full size wheels (18" & 21"). This class does not split ability levels.
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Pre-75 Minibike |
For all domestic & imported minibikes with a maximum wheel size of 16". Engine size limit will be 100cc for 2-strokes & OHV 4-strokes. No limits for flathead motors. Suspension travel will be limited to 4" front & 3" rear. This class does not split ability levels.
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Greenhorn Class
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For non-racers with no
race experience and modest riding ability. A fun, non-stressful
class for spouses & little ones riding small playbikes and
pitbikes from 50 - 125cc with no full-size wheels. Race bikes are
not allowed. Minimum age is 8. No maximum age limit. Here's the
perfect way to get your spouse and kids involved out on the track in
a safe & friendly non-competitive
atmosphere.
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