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                                                       2017 Classes
1. Kids Class.....900#.....(Gas Only)
2. 8 h.p. & under stock alt......850# (gas or alcohol)
3. 12 h.p. & under stock.....max .30 over bore (stock unmodified 26 carb).....1000#(gas only)
4. 20 h.p. & under stock....1000#
5. Lite Altered......950#(gas or alcohol)
6. 50.5 cubic inch v-twin......ohv or single cylinder ohv.....1050#(gas or alcohol)
7. 12/14 h.p. & under stock alt.....(max .30 over bore).....1000#(gas or alcohol)
8. 14 h.p. & under stock.....(stock unmodified 30 carb).....1000#(gas only)
9. 25 h.p. & under stock TWIN.....(60 cu. in. limit)..(stock appearing carb).....1000#(gas only)
10. Motorcycle(carb only)1500cc limit......1150# (gas or alcohol)
11. Outlaw....Open 4cyl...1350#(gas or alcohol)
KIDS CLASS 900 # Gas Only
 1. 12 hp stock & under.
 2. On governor.
 3. Tire size: 23x10.50x12.
 4. Two (2) adults present on track with tractor.
 5. Must have all safety devices.
  1. Kids 12 & under

8 HP STOCK ALTERED 850# Gas or Alcohol
   1. Factory production engine with factory rating of 8 hp.
   2. Stock block No copies.
   3. Flathead or OHV.
   4. Aftermarket parts permitted.
   5. Milling, Porting, Polishing, Drilling, and Tapping Alllowed.
   6. Max .030 overbore.
   7. Stock stroke, Stock valve size.
   8. Flathead engine can run billet head, OHV engine runs stock head.
   9. No lift restriction on valve lift.
   10. Springs, Lifters, Valves must be in stock location.
   11. Carb Max 1.200, butterfly style Carb.
   12. Steel flywheels are permitted.
   13. Open ignition setup.

12 HP STOCK 1000# Gas Only
   1. Base on factory dimension of stock engine rated at 12 Hp or under.
   2. Flathead or OHV single cylinder only (OHV engines are limited to 398CC ).
   3. Block will be factory production block with stock head bolt pattern.
   4. Milling, Decking, Porting, Polishing is permitted, NO WELDING on head will be ALLOWED, (No billet or recast head allowed).
   5. You may use a head gasket of any material of your choosing but must be a min of .031 thick or greater.
   6. Stock or stock replacement piston.
   7. OEM factory crankshaft with stock stroke.
   8. Stock length connecting rod, inserted bearing is permitted.
   9. CAM rule : .328 max lift cast cam , No billet cams or adjustable gears ( Cam will be checked with dial indicator- NO TOLERANCE).
   10. Stock appearing lifters and springs.
   11. Stock size and length on valves No stainless steel valves allowed (Valves may be polished or reconditioned).

   12. Max .030 overbore.
   13. Carb - 26 or walbro equivalent, No modifications allowed (Only choke butterfly may be removed).
   14. Ignition Chevy points are allowed, or factory Magnetron setup.
   15. No steel flywheels, fins may be removed from stock flywheel.
   16. There is to be No excessive weight on the front of crankshaft, only billet alum pulley or stamped steel pulley are allowed.
    17. Any tractor running a starter pulley must have crank drilled and tapped with a bolt to prevent pulley from coming off.

14 HP STOCK 1000# Gas Only
    1. Base on factory dimension of stock engine rated at 14 Hp or under.
    2. Flathead or OHV single cylinder only (OHV engines are limited to 420CC ).
    3. Block will be factory production block with stock head bolt pattern.
    4. Milling, Decking, Porting, Polishing is permitted, NO WELDING on head will be ALLOWED, (No billet or recast head allowed).
    5. You may use a head gasket of any material of your choosing but must be a min of .031 thick or greater.

    6. Stock or stock replacement piston.
    7. OEM factory crankshaft with stock stroke.
    8. Stock length connecting rod, inserted bearing is permitted.
    9. CAM rule : .328 max lift cast cam , No billet cams or adjustable gears ( Cam will be checked with dial indicator- NO TOLERANCE).
    10. Stock appearing lifters and springs.
    11. Stock size and length on valves No stainless steel valves allowed (Valves may be polished or reconditioned).
    12. Max .030 overbore .
    13. Carb - 30 or walbro equivalent, No modifications allowed (Only choke butterfly may be removed).
    14. Ignition Chevy points are allowed, or factory Magnetron setup.
    15. No steel flywheels, fins may be removed from stock flywheel.
    16. There is to be No excessive weight on the front of crankshaft, only billet alum pulley or stamped steel pulley are allowed.
    17. Any tractor running a starter pulley must have crank drilled and tapped with a bolt to prevent pulley from coming off.

20 HP STOCK 1000# Gas Only
    1. No professional tires (cepek, pitbull, lawn tech, vogel, nichols, big bar cepek etc.) Bar style tire cutting is allowed.
    2. Overhead valve allowed.
    3. No boring, porting, polishing, decking or milling is allowed.
    4. Wheels and tires must be 26x12x12 and under, tractor tread or turf tires only.
    5. Two barrel carbs allowed only if it is factory installed on the motor.
    6. Stock means “purchased new and taken directly out of the box“. No aftermarket parts allowed except header.
    7. No steel flywheels.
    8. No excessive spinning weight on crankshaft.
    9. Max 62 cu in.

740 CC STOCK MODIFIED ( 25 HP Class ) 1000# Gas Only Class is based on engine using OEM parts, Garden tractor factory production engine based on engine previously rated at 25 HP.
    1. 740 CC MAX.
    2. OEM style piston, ( Only can be bored if its smaller than 740CC ).
    3. Factory crank stock stroke.
    4. Stock rods cast No billet.
    5. Stock heads, No recast.
    6. Stock size and length valves, No stainless steel valves.
    7. Stock rocker arms.
    8. Stock appearing spring, lifters, and push rods.
    9. Milling, Decking, Porting and Polishing is permitted, No Welding Alllowed, No factory closed chamber heads AKA - 30 HP heads.
    10. Factory intake may be ported and polished, No adapters allowed.
    11. Factory Carb - choke may be removed, you may add adjustable jet in the location of the stock solenoid position but no other modifications are permitted.
    12. OEM style ignition Only, No Aftermarket.
    13. No steel flywheels, fins may be removed from stock flywheel.
    14. No excessive spinning weight on front of crankshaft only billet alum or stamp steel pulleys are permitted.
    15. If running starter pulley crank must be drilled and tapped for bolt at end to prevent pulley from coming off.
    16. No 2 barrels allowed.
    17. CAM rule: Must be 25 Hp or under No Regrind or Recast Cams.

12/14 HP STOCK ALTERED 1000# Gas or Alcohol
    1. Base on engine rating at factory 12 HP or 14 HP Single Cylinder only.
    2. Aftermarket parts are permitted.
    3. Stock block No copies or recast, Flathead or OHV.
    4. Max .030 overbore, Example: 3.405 for 12 HP and 3.530 for 14 HP.
    5. Stock stroke.
    6. Flathead engine can use billet head, OHV engine must use stock head.
    7. Stock Valve size.
    8. No Cam lift or valve lift restriction.
    9. Springs, lifters, valves must be in stock location.
    10. Carb Max 1.200 butterfly style.
    11. Steel flywheels are permitted.
    12. Open ignition setup.

50.5 CU IN 1050# Gas or Alcohol Class is based on only limits being Cubic Inches and Carb size.
    1. Aftermarket parts permitted.
    2. Factory production block.
    3. Milling, Decking, Porting, Polishing, Drilling, Tapping, and Welding Allowed.
    4. Max 48 cu in.
    5. Any bore or stroke combination allowed.
    6. Any cam style No lift restriction.
    7. No valve restriction.
    8. Any type of valve train is permitted Rocker arms, springs, pushrods, recast heads are permitted.
    9. Open ignition setup.
    10. Aftermarket intake permitted.
    11. Steel flywheels are permitted.
 
Motorcycle...(Carb Only)... 1150# Gas or Alcohol
  1. 26x12x12 Tire
  2.     2. 4 cyl. 1500cc Limit
        3. Mandatory chain guard must be secured to tractor for safety.
        4. No turbo's, blowers, superchargers or fuel injection.
        5. Must have bump box/chain guard 3" to 5" behind tires.
        6. Air or water cooled.
        7. Hood and grill optional.
        8. 7 ft from centerline of rear axle Max.
        9. Engine and Transmission must be integrated in same case, additional transmission is allowed.
        
LITE ALTERED 950# Gas or Alcohol
Is class based on Outlaw style rules, where there are different rules for different styles of engines that fall in 3 categories:
*OHV Twin .
  1. 5 cu in Max
  2.           Any bore or stroke combo
              No roller cams
              Stock heads, no recast
              Milling, Porting, Polishing, Tapping, and Welding is Legal
              Must run stock length valves & stock rocker arms
              Fabricated Intake or After Market Intake or Factory 2 Barrel is Legal
              Max 1.200 Carb (Gas or Alcohol)
*Flat Head Twin
          62 cu in Max
          Any bore or stroke combo
          Any valve size permitted
          Billet heads are Legal
          Milling, Porting, Polishing, Tapping and Welding is Legal
          Fabricated Intake is Permitted
          Max 1.200 Carb (Gas or Alcohol)
*Flat Head Single
          48 cu in Max
          Stock Block No recast or copy
          Any Valve size, bore, or stroke
          Billet Heads permitted
          Milling, Porting , Polishing, Drilling,Tapping, and Welding is Legal
          Max 1.200 Carb (Gas or Alcohol)
*Rules are subject to change in this class to promote fairness
    Example - Hitch, Weight, Engine Rules

OUTLAW...Open 4 cyl... 1350# (Gas or Alcohol)
  1. Unlimited CC
  2. Fuel Injection is Allowed
  3. Max 4 Cylinders (Any Combination)
  4. 8 feet from centerline of rear axle to furthest point forward
  5. Must have bump box/ chain guard on rear of tractor
  6.          6. Only one(1) power adder allowed, only one Turbo, one Supercharger, or NOS.
             7. Max 31x15.50x15 tire
  7. Must have a Safety Blanquet completely covering Transmission, or a blow proof bell housing, or 3/16 steel shielding
  8. If running a Turbo, it needs to be shielded
  9. Must sign Waiver
  10.          *New Points Class* Changes may be made by Board if need be.