Yamaha 100cc Rules
Class age and weight
Ages 15+. Age as of Jan 1, 2022 is the age you are allowed for the 2022 season. Weight of kart and driver (as raced, including helmet, neck collar, and clothing) combined at end of each race is 360 LBS minimum as weighed on the ELKT scale.
Helmet must be full faced with shield, in good condition, and designed for competitive motorsports. No motocross style with goggles will be permitted. A sticker on the inside of the helmet will indicate if it is of usable design
Snell SA/K2005/M2005 minimum requirement. A guide list can be found at http://www.smf.org/certlist/std_K2005
Neck collar is mandatory
Gloves full fingered design mandatory
Chest and rib protector mandatory for 18 and under. Highly suggested but, not mandatory over the age of 18.
Jacket made of abrasion resistant material Leather, cordura nylon (designed for kart racing) mandatory. Full kart racing suit recommended
Nomex or Proban suits or jackets may be worn on top of or inside of a jacket or suit made for karting
Full length pants mandatory
Shoes mandatory no sandals, no open shoes
No “on person” body weights, all add-on weights must be fastened to kart
Safety / Kart numbering
All add on weights must use a minimum 5/16” bolt and be double nut or single nut with cotter pin above the nut through the bolt. Weights must be painted white or be of bright chrome with kart number clearly readable
All steering components / fasteners must be safety wired
All brake components / fasteners must be safety wired and in working condition
Snap rings on end of rear axle must be safety wired.
Axle cannot extend past the rim face
Kart number, minimum of three clearly visible numbers from 30 foot distance. One on front nose bodywork and one on each side of side panels
Fire extinguisher is highly recommended that each entrant have a minimum of one operable 1-1/2 pound dry-powder fire extinguisher (rated for use on A, B, & C. type fires) in their pit area. Carbon Dioxide type extinguishers are not acceptable substitutes for the dry-powder type.
4 Hole Can Exhaust
Bumpers and Bodywork
CIK Style Full Size Rear Bumper Legal. Hoop Style Metal Bumper also legal, must cover at least 1/2 of both rear tires, must be round hooped ends that form one loop on outside.
Steering fairings securely fastened in safe manor on the steering column. Must have minimum distance of 3” from steering wheel to fairing beginning edge. Steering column fairing allowed if it does not interfere with drivers’ vision. Plexiglas not allowed
Should any bodywork become loose, fall off, etc. during a race, it is at the race director’s discretion to allow continued racing or black flag the driver
CIK Nose, Sidepods or Side Panels Required
Full Length Rear Bumper
Spec Tire Compound: MG Red- Must be purchased at ELKT
Rain Tires to be used in Rain Race, Rain Tires NOT Required to be MG Brand
Starting position is determined by a blind draw for the first heat. Lowest number in the class drawn starts on pole for the first heat. Then the starting order is inverted for the second heat. For the feature the highest earned points for the day starts on the pole. If there is a point’s tie for feature starting positions the tie breaker is the draw for the day. Low draw wins the position. Heat Races 1st =10 pts 2nd = 9 pts, 3rd = 8, 4th = 7, 5th = 6, 6th = 5, 7th = 4, 8 = 3, 9 =2 and all positions after 9th get 1 point. Feature Races are worth Double Points. Any points questionable by a competitor must be given in writing to a club official within the week between the questionable race and next point’s race. Request for points review will be reviewed before the start of the next point’s race. At the start of the next point’s race, all points will be final.
Tie Breaker: In the event of a Championship Tie, the tie breaker will be the driver with the most FEATURE race wins. 2nd & 3rd place FEATURE race finishes will also be considered as needed to break the end of year Tie.
Rule(s) Violation Appeal
Should any competitor be found to have or be in violated any of the club or track rules, he or she shall have one appeal to club officers to review the violation. Club officers, consisting of president, vice president, and secretary will review the matter and will have the final decision to uphold or override / cancel the violation. Decision to be made within 2-3 days after written request for review from competitor.