Chassis serial number must be permanently affixed to the side of the tunnel in the area of the right-side footrest.
Any fuel allowed.
Unaltered commercially available carbide tipped trail studs.
No side exit exhausts allowed (exhaust must exit from the bottom with muffled exhaust). Turbo may be used as muffler as long as pipe off of turbo does not exceed 12 inches.
OEM engine cases allowed, Billet case engines are prohibited.
Lightweight hoods allowed, the use of any other lightweight parts are prohibited.