Junior Sportsman Age 8 to 12, Chassis minimum length 35”, Tire size 4.50 x 5 front and rear (See approved tire manufacturers), Methanol, Briggs and Stratton 5 hp, with a .500 restrictor (turquoise/blue), Weight - 250 lbs, In addition to traditional body work all CIK bodywork is approved also. This class will allow a two cycle engines to compete (see 2 Cycle Junior Sportsman (2)). Gas and or Methanol must pass the IKS fuel tech, please check your fuel. IKS has the right to revise and amend this class. Briggs Junior - Age 12 to 15, Open Compound (See approved tire manufacturers), Methanol, Engines - Briggs and Stratton 5 hp, with a .575 intake restrictor (gold) or a Briggs and Stratton Animal* with a .505 intake restrictor (gold), Weight - Both engines at 310 lbs, In addition to traditional body work all CIK bodywork is approved. Methanol must pass the IKS fuel tech, please check your fuel. IKS has the right to revise and amend this class. 4 Cycle Controlled - Age 15 and Older, Open Compound Open Manufacture, Gas or Methanol, Engines - all single cylinder 4 cycle engines with a maximum of 220cc and naturally aspirated, Weight - 365 lbs, OVH 200 360lbs, Flat Heads 330lbs, In addition to traditional body work all CIK bodywork is approved. Gas and or Methanol must pass the IKS fuel tech, please check your fuel. IKS has the right to revise and amend this class. Briggs Animal Medium - Age 15 and Older, Open Compound Open manufacturer, Fuel - Methanol, Engines - Per WKA animal tech rules, Weight - 350 lbs, In addition to traditional body work all CIK bodywork is approved. Methanol must pass the IKS fuel tech, please check your fuel. IKS has the right to revise and amend this class. Briggs Animal Heavy - Age 15 and Older, Open Compound Open manufacturer, Fuel - Methanol, Engines - Per WKA animal tech rules, Weight - 375 lbs, In addition to traditional body work all CIK bodywork is approved. Methanol must pass the IKS fuel tech, please check your fuel. IKS has the right to revise and amend this class. Flat Head Heavy (BRIGGS BASH) - Age 15 and Older, Open Compound Open manufacturer, Fuel - Methanol, Engines - Per WKA Flat Head tech rules, Weight - 375 lbs, In addition to traditional body work all CIK bodywork is approved. Methanol must pass the IKS fuel tech, please check your fuel. IKS has the right to revise and amend this class. (BRIGGS BASH will be a 4 to 5 series race with a cash payback at each event and a series cash award at the end of the year banquet. Total payout to be determined based on number of entries recieved. To qualify for end of year awards, drivers must be an associate of IKS. There will be no drop races in the BRIGGS BASH) Flat Super Heavy - Age 15 and Older, Open Compound Open manufacturer, Fuel - Methanol, Engines - Per WKA Flat Head tech rules, Weight - 400 lbs, In addition to traditional body work all CIK bodywork is approved. Methanol must pass the IKS fuel tech, please check your fuel. IKS has the right to revise and amend this class. Local Option Class(s) - Age 15 and Older, Open Compound Open manufacture, Fuel - Gas or Methanol, Engines - OHV 200, Briggs and Stratton Animal or a Briggs and Stratton 5 hp Flat Head, Weight - to be determined by race director. IKS can and will provide for a local option class within this structure, if all entered agree to compete as a separate race with in the class running, prior to qualifying and approved by the race director. Must have 3 of the same type of engines to compete in a class. In addition to traditional body work all CIK bodywork is approved. Gas and or Methanol must pass the IKS fuel tech, please check your fuel. IKS has the right to revise and amend this class.