| |

Engine sizes are based on the actual Manufactures marketed engine displacement.
Women’s Class
A. 0-1000+cc ATV
B. Tires marketed and made for ATV use only. No Tracks, paddle tires,
automotive tires, or agricultural tires.
C. Up to 3” shock bracket lift or shock pipe lift.
D. Factory frame, a-arms and a-arm locations, swing arms, trailing arms and stock
length axles.
E. Must use original factory engine mated to particular unit equipped with original jugs and
heads.
F. Must use stock or aftermarket shocks allowing suspension to travel.
G. Engine modifications limited to jet kits, air filter, performance programmers, exhaust
and big bore kits.
H. Basic retail parts available to drivers may be used.
I. Women only. No men may run in this class.
Lite Class
A. 0-499cc ATV
B. Tires marketed and made for ATV use only. No Tracks, paddle tires,
automotive tires, or agricultural tires.
C. Up to 3” shock bracket lift or shock pipe lift.
D. Factory frame, a-arms and a-arm locations, swing arms, trailing arms and stock
length axles.
E. Must use original factory engine mated to particular unit equipped with original jugs and
heads.
F. Must use stock or aftermarket shocks allowing suspension to travel.
G. Engine modifications limited to jet kits, air filter, performance programmers, exhaust
and big bore kits.
H. Basic retail parts available to drivers may be used.
Bogger Class
A. 500-700cc ATV
B. Tires marketed and made for ATV use only. No Tracks, paddle tires,
automotive tires, or agricultural tires.
C. Up to 3” shock bracket lift or shock pipe lift.
D. Factory frame, a-arms and a-arm locations, swing arms, trailing arms and stock
length axles.
E. Must use original factory engine mated to particular unit equipped with original jugs and
heads.
F. Must use stock or aftermarket shocks allowing suspension to travel.
G. Engine modifications limited to jet kits, air filter, performance programmer’s,
exhaust and big bore kits.
H. Basic retail parts available to drivers may be used.
Pro Class
A. 701+cc ATV
B. Tires marketed and made for ATV use only. No Tracks, paddle tires,
automotive tires, or agricultural tires.
C. Up to 3” shock bracket lift or shock pipe lift.
D. Factory frame, a-arms and a-arm locations, swing arms, trailing arms and stock
length axles.
E. Must use original factory engine mated to particular unit equipped with original jugs and
heads.
F. Must use stock or aftermarket shocks allowing suspension to travel.
G. Engine modifications limited to jet kits, air filter, performance programmer’s,
exhaust and big bore kits.
H. Basic retail parts available to drivers may be used.
Open Class
A. 0-1000+cc ATV
B. Tires marketed and made for ATV use only. No Tracks, paddle tires,
automotive tires, or agricultural tires.
C. Must use original factory frame and any ATV/RUV engine mated to particular unit.
D. Additional Engine modifications such as alcohol, Nitrous Oxide Systems (NOS),
superchargers, turbo systems and big bore kits are allowed..
E. Production and custom suspension lifts, extended A-arms, extended swing arm,
extended trailing arms and other modifications are allowed.
RUV Class
A. 0-1000+cc RUV
B. Tires marketed and made for ATV or RUV use only. No Tracks, paddle tires,
automotive tires, or agricultural tires.
C. May use factory engine from any ATV or RUV.
D. Passenger must be 16 years of age or older.
E. Engine modifications such as alcohol, Nitrous Oxide Systems (NOS),
superchargers, turbo systems and big bore kits are allowed.
F. Production and custom suspension lifts, extended A-arms, extended swing arm,
extended trailing arms and other modifications are allowed.
G. Driver and passenger must remain in seat during race. Only for safety reasons may a driver or passenger exit the RUV.

Engine sizes are based on the actual Manufactures marketed engine displacement.
Lite Class
A. 0-700cc ATV
B. Tires marketed and made for ATV use only. No Tracks, paddle tires,
automotive tires, or agricultural tires.
C. Up to 3 ” shock bracket lift or shock pipe lift.
D. Factory frame, a-arms and a-arm locations, swing arms, trailing arms and stock
length axles.
E. Must use original factory engine mated to particular unit equipped with original jugs and
heads.
F. Must use stock or aftermarket shocks allowing suspension to travel.
G. Engine modifications limited to jet kits, air filter, performance programmer’s,
exhaust and big bore kits.
H. Basic retail parts available to drivers may be used.
Pro Class
A. 701+cc ATV
B. Tires marketed and made for ATV use only. No Tracks, paddle tires,
automotive tires, or agricultural tires.
C. Up to 3 ” shock bracket lift or shock pipe lift.
D. Factory frame, a-arms and a-arm locations, swing arms, trailing arms and stock
length axles.
E. Must use original factory engine mated to particular unit equipped with original jugs and
heads.
F. Must use stock or aftermarket shocks allowing suspension to travel.
G. Engine modifications limited to jet kits, air filter, performance programmer’s,
exhaust and big bore kits.
H. Basic retail parts available to drivers may be used.
Open Class
A. 0-1000+cc ATV
B. Tires marketed and made for ATV use only. No Tracks, paddle tires,
automotive tires, or agricultural tires.
C. Must use original factory frame and any ATV/RUV engine mated to particular unit.
D. Additional Engine modifications such as alcohol, Nitrous Oxide Systems (NOS),
superchargers, turbo systems and big bore kits are allowed..
E. Production and custom suspension lifts, extended A-arms, extended swing arm,
extended trailing arms and other modifications are allowed.
F. 4" lift minimum
RUV Class
A. 0-1000+cc RUV
B. Tires marketed and made for ATV or RUV use only. No Tracks, paddle tires,
automotive tires, or agricultural tires.
C. May use factory engine from any ATV or RUV.
D. Passenger must be 16 years of age or older.
E. Engine modifications such as alcohol, Nitrous Oxide Systems (NOS),
superchargers, turbo systems and big bore kits are allowed.
F. Production and custom suspension lifts, extended A-arms, extended swing arm,
extended trailing arms and other modifications are allowed.
G. Driver and passenger must remain in seat during race. Only for safety reasons may a driver or passenger exit the RUV.

RS2 always loves to see the kids have a chance to participate in the events. Therefore we will be holding Kiddie Mud Bogs before the start of each adult Mud Bog event.
$5 to race with a 100% payback to the 1st and 2nd place winners. No membership fees or forms are needed. Parents must be in pit area for a child to race.
Kid's Mud Bog Class 1 & 2
A. Max of 125cc ATV for Class 1 and 400cc for Class 2
B. Tires marketed and made for ATV use only. No Tracks, paddle tires,
automotive tires, or agricultural tires.
C. Up to 3” shock bracket lift or shock pipe lift.
D. Factory frame, a-arms and a-arm locations, swing arms, trailing arms and stock
length axles.
E. Must use original factory engine mated to particular unit equipped with original jugs and
heads.
F. Must use stock or aftermarket shocks allowing suspension to travel.
G. Engine modifications limited to jet kits, air filter, performance programmers, exhaust
and big bore kits.
H. Basic retail parts available to drivers may be used. |