05/23/2026
!!! MB 33 2026 Rules & Classes !!!
General Rules:
All junior drivers must be accompanied by an adult. All drivers must wear helmets with shield or goggles, long sleeves, long pants, neck brace, gloves, & closed toed shoes. Hoods should be tucked in and long hair tied and tucked in for safety. All classes except SBO are open to tech checks. All karts must be flat karts with bumpers on the front and rear, as well as nerf bars (bumpers) on each side, karts will also need a visible number on the front or right side of the kart.
Rookie:
Ages 8 & below
Red Restrictor Plate 0.375
250 lbs minimum
Jr. 1:
Ages 8-12
Green restrictor plate 0.425
265 lbs minimum
10-12 year olds can choose to race up into Jr 3, or down to Jr 1 based off racing experience.
Jr. 3:
Ages 10 -15
Blue restrictor plate 0.550
320 lbs minimum
OR
Purple restrictor plate 0.500
290 lbs minimum
May run clone or predator
10.8 lb valve springs
Box Stock (Predator 212 Only)
350 lbs minimum
Drum style clutches only
Slick tires only
May add clutch/ chain guard
May add side mount throttle linkage plate
May remove throttle stop screw
May drill vent hole in gas cap
Gasoline only 87 octane
No other modifications allowed
Must pass engine RPM rev test. 5600 for Hemi, 6100 non-hemi
Stage 1 Predator 212
350 lbs minimum
May remove govenor, NO other internal mods permitted!
Permitted removal stock parts, governor, fuel tank, muffler, and air box.
Permitted after market add ons, header with choice of muffler or header end, air adapter and cone filter, top plate throttle linkage and pulse fuel pump, rejetting of the stock carburetor jets and e tube may be upgraded 0.038 max main jet, and racing spark plugs are allowed.
Stock 10.8 lb valve springs
ALL other parts MUST remain stock in altered
NONE of the following is permitted, Shaving heads, changing head gaskets, porting & polishing, any parts changes or part modifications.
If you have questions, ask, but do not cheat this affordable class!
Super Stock / Clone / Ghost 212
350 lbs minimum
May run any 6.5 hp style engine block
Must run 22 lb valve springs max
Max carb venturi size of 0.615
Max main jet of 0.039
Must run on gasoline
Open clutch/ tire rules
If you chose to run a Ghost 212, you can run the slide carb but all other parts must remain stock! 6100 max RPM rule ( must have stock coil )
Small Block Open
350 lbs minimum
Open engine, clutch and tire rules
Must be able to keep pace with the field and race safely
Ladies Class (for fun)
Girls and Women
Small block open rules (may use any class engine)
Must be able to keep pace with the field and race safely
50+ Class (for fun)
Driver must be 50 years or older
Small block open rules (may use any class engine)
Must be able to keep pace with the field and race safely
If you have ANY tech questions please reach out and ask before getting caught red handed outside of the rules listed above!
