Classes and Rules

The following documents define the competition rules for our series. It is your job to read and understand these before competing.

As of 2020, the SKUSA rulebook will be the competition rulebook for TSRS. The IKF rulebook will be used for any classes not outlined by SKUSA. Anything not outlined in SKUSA/IKF should be outlined in TSRS Supplemental. Any conflicts between rulebooks should be resolved in order TSRS, SKUSA, IKF. All race vehicle standards will be taken from SKUSA, except Kid Kart chassis specific as outlined by TSRS/IKF. All operational rules such as flags, starts and penalties will be taken from SKUSA rulebook. SKUSA rulebook section 307.15 on chain guards will apply to all classes. Any rules specific to micro/mini will also be applicable for ALL cadet classes. See Class Structure Tab for specific class information and specs.

•  Driver Ewaiver (only complete once in 2025, for minors please start at Parent waiver and be sure to take minors photo on minor waiver and adult photo on adult waiver) This waiver may also be used for hard cards or completed to allow bands to be picked up while guest is not present, otherwise paper waivers are available for any spectators
•  TSRS Supplemental Rules and Addendums (Updated 2/12/2026)
•  TSRS Penalty Points
•  SKUSA Competition Rules [SKUSA Website]
•  IKF Rulebook [IKF Website]
•  Tillotson T4 Senior Regulations
•  Current Briggs & Stratton Rules [Briggs Racing Website]
•  206 Kid Kart Supplemental Rules (updated September 2025)
•  206 Engine Sealing Procedures in TSRS Supplemental, SKUSA sealing procedures for engines and chassis in SKUSA Competiton rules. T4 currently will not have additional sealing.
All chassis and engines MUST be sealed for each event, new seal will be provided at each event.

*New for 2026

Any other classes added to any event will use current SKUSA class structure or be outlines in TSRS Supllemental.

All ages listed are based on the SKUSA rulebook age rules. Please review for further clarification.

Classes may be combined or separated based on actual class entry