All Terrain Vehicles

MINI DRAG

Frame, engine and transmission must remain original -- no cut transmissions
The following items may be changed: gear ration (drive or sprokets), any tire, any type wheels, expansion chamber, front forks, carb size and jetting, remove oil injection, no drag pipes -- stock ignition only -- small brackets may be removed from frame
Engine may be bored to .080 or 2mm oversize but may not be restroked -- no added base gaskets or decking
Porting and cool heads are allowed
Fuel: Gasoline only -- no additives -- no gasohol
Wheelbase may have extended stock swing arm -- no lightened swing arms
Air shifters are allowed
Must have stock flywheel
May be strutted

Modified 3 and 4 wheelers -- must be equipped with 3 or 4 wheels, any frame -- Dirt bike engine may be used
Modified 4 wheeler may have extended swing arm
Modifications allowed to engine are: any exhaust, rotor or flywheel may be lightened or removed, any head, any cyclinder, valves of any size, piston, or carboration, clutch, drive or driven sprockets, any type of porting or polish, any tires (no duels), any cam, any wheels, any fuel -- NO NO2 -- any after market ignition may be used
Removal of fenders and body parts are allowed, but ATV must be considered safe to tech in order to race
Modified 3 and 4 wheelers must retain rear fenders

3 or 4 wheeler bikes may have any type engine on a 3 or 4 wheel frame
CCs cannot exceed the 1200cc allowed at track
Class is considered OPEN
Any type modification allowed as long as track officals consider it safe for rider and spectators
NO2 is allowed