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Class Structure

Click here for Equipment Standards, Approved Tires, Required Riding Gear, and More>

UNLIMITED EXPERT
(16+) Unlimited displacement, two- or four-stroke, single or twin cylinder, unlimited modifications.
Pro or Expert riders only. (Riders under 16 may petition series or race director for consideration.)

450
(14 +) Production-based, 450cc maximum, two- or four-stroke, single or twin cylinder, unlimited modifications.

250
(12+) Production-based, 250cc maximum, two- or four-stroke, single cylinder, unlimited modifications.
Experienced Mini-moto 150 class riders may also compete.

VET 30+
(30 +) Unlimited displacement, two- or four-stroke, single or twin cylinder, unlimited modifications.

VET 40+
(40 +) Unlimited displacement, two- or four-stroke, single or twin cylinder, unlimited modifications.

INTERMEDIATE
(14 +) Unlimited displacement, two- or four-stroke, single or twin cylinder, unlimited modifications.

NOVICE
(14 +) Unlimited displacement, two- or four-stroke, single or twin cylinder, unlimited modifications.
Top three in points at the end of year are required to advance.

BEGINNER
(14 +) Unlimited displacement, two- or four-stroke, single or twin cylinder, unlimited modifications. May also race in Novice or 400AM.
Not a championship class, riders must advance after earning 75 points.

400 AM
(12+) Up to 400cc, two- or four-stroke, single or twin cylinder, unlimited modifications.
Mini-moto 150 may also run in this class. Riders holding an Expert status are not eligible.

MINI-MOTO 150cc
(12-15) Mini bikes up to 105cc liquid-cooled two-stroke, 150cc liquid-cooled four-stroke, and 230cc air-cooled four-stroke (mini chassis only). Liquid-cooled bikes must maintain original bore and stroke as produced by OEM, otherwise unlimited modifications.
(Riders ages 10-11 must provide proof of prior racing experience at registration and obtain Referee approval.)
The Adult Mini class will be combined as a second wave & separate awards will be given out when participation allows. Championship is based on youth rules.

MINI-MOTO 125cc
(7+) Up to 65cc two-stroke or 125cc air-cooled four-stroke, unlimited modification.

MINI-MOTO Formula 110
(5-12) 110cc maximum, unlimited modification, 12” & 14” inch wheel max.
KLX110, TTR110, TTR90, XR70, Modified 50s and liquid-cooled 60cc automatic two-stroke; KTM, Polini, Cobra, etc., air-cooled Chinese bikes up to 125cc.

ATV EXPERT
Unlimited modification
Open displacement Single or Twin

ATV NOVICE
Unlimited modification
Open displacement Single or Twin

The following minimum number of entries will be used to determine how many trophies are awarded in a class.

3 riders- 1st place trophy.
6 riders- 1st and 2nd place trophies.
9 riders- 1st, 2nd and 3rd place trophies.

A minimum of three riders must start in the main for championship series points to be awarded.

Championship trophy plates will be awarded in classes that paid out points in a minimum of 5 rounds.

 

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July 18, 2010
Buttonwillow Kart Track
BUTTONWILLOW, CA

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