40/50 (45cid and down)

Modified

Max piston size .040" over stock

Any style prop allowed

Factory stroke crankshaft

No nitrous oxide

No supercharger

No turbocharger

60/70 (60cid and down No SST60)
Modified

Max piston size .040" over stock

Any style prop allowed

Factory stroke crankshaft

No nitrous oxide

No supercharger

No turbocharger

 

90

Modified

Max piston size .040" over stock

Any style prop allowed

Factory stroke crankshaft

No nitrous oxide

No supercharger

No turbocharger
 

Outlaw

Any 3 cylinder engine

Any modification

Nitrous Oxide allowed

Turbocharger allowed

Supercharger allowed

River Class

40/50 (45cid and down)

Boat must be at least 13' 6" long

Boat can be fiberglass fastcraft, falcon, bugbuster, hightide etc.

Wooden strip boats are allowed

Aluminum boats are allowed

Motor regulations will be the same as modified except compression

Compression should be no higher than 185psi

Round ear chopper prop only

Boats will be allowed faster starts than all other classes

No big bore motors

No Nitrous Oxide

No Turbocharger

No Supercharger

Factory stroke crankshaft 

60/70 (60cid and down No SST60)

 

Boat must be at least 13' 6" long

Boat can be fiberglass fastcraft, falcon, bugbuster, hightide etc.

Wooden strip boats are allowed

Aluminum boats are allowed

Motor regulations will be the same as modified

Any style prop allowed

Boats will be allowed faster starts than all other classes

No Nitrous Oxide

No Turbocharger

No Supercharger

Unlimited River Class

Boat must be at least 13' 6" long flat bottom or V bottom

Any style prop allowed

Any 3 cylinder production motor

Unlimited motor modifications

No Nitrous Oxide

No Turbocharger

No Supercharger

Jon Boat/ Duck Boat Class

Boat must be at least 14' long

Boat must be made of aluminum

Boat can have a pad or can be flat bottom

Any prop allowed

Havoc RDB Drag is allowed

Boat must meet all safety requirements as stated in the general rules

There will be 3 classes

  • 40-50 Duck Boat

  • 60-70 Duck Boat

  • 90 Duck Boat

All motors will fall under the Modified motor rules

Fishing Boat Class

Boat can be aluminum or fiberglass open boat (NO RACE BOATS)

15' boat length minimum

Center of prop shaft must be at least 3" below the bottom of the boat

Must disable hydraulic jack plates

Prop must be exhaust thru hub stock style prop (can run Yamaha black stainless prop)

No cleaver or chopper props of any style

Compression can be no higher than 150psi

Max piston size .040" oversize

Any production 3 cylinder motor

No big bores

No stroker cranks

No nitrous oxide

No turbo charger

No supercharger

No light weight flywheels

Must start from idle

850 Unlimited

Total boat weight with driver and all rigging must be at least 850 lbs

Any 3 cylinder production motor

Unlimited motor modifications

No Nitrous Oxide

No Turbocharger

No supercharger

 

Unlimited V4 V6 V8

Any boat size

Any modification to motor

Any fuel

No Nitrous Oxide

No Turbocharger

No Supercharger

 

Outlaw V4 V6 V8

Any boat size

Any modification to motor

Any fuel

Nitrous Oxide allowed

Turbocharger allowed

Supercharger allowed

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