CADET JUNIOR SPORTSMAN FINAL 1 & 2
DRIVER REQ: Age 8 through 12.
ENGINE: Comer K-80.
FUEL: Gas and Oil.
MINIMUM WEIGHT: 235 lbs.
KART: Overall MAX. Length 72”, Wheelbase 35” Min. and 41” max.
SPEC TIRE: Race 1 = MG-SLE, Races 2-5 = Bridgestone YHC (USA), 10x4.5-5 Front and rear.
OTHER: Gear Ratio 5.30 Min., NO Max. (See fig. 611.14b for Bodywork Measurements).

YAMAHA JUNIOR SPORTSMAN
DRIVER REQ: Age 8 through 12.
ENGINE: Yamaha, Only heads with OEM casting “Yamaha” and cylinders with Y3 or Y4 and 787 are legal
FUEL: Gas and oil only.
MIN. WEIGHT: 250 lbs.
EXHAUST: RLV SSX-V #7548. (See fig. 554.3) If hole exists in pipe for EGT sensor, EGT sensor probe must be in place.
CARBURETOR: Walbro WA55B or HPV1 with WA55B manifold (see 601.6 and 601.7).
SPEC TIRE: Race 1 = MG-SLE, Races 2-5 = Bridgestone YHC (USA), 10x4.5-5 Front and rear.
OTHER: Gear Ratio 5.30 Min., NO Max.
NO AXLE CLUTCHES

HPV JUNIOR SPORTSMAN
DRIVER REQ: Age 8 through 12.
ENGINE: HPV100
FUEL: Gas and oil only.
MINIMUM WEIGHT: 250 lbs.
EXHAUST: HPV1 pipe & header (See fig. 603.12)
SPEC TIRE: Race 1 = MG-SLE, Races 2-5 = Bridgestone YHC (USA), 10x4.5-5 Front and rear.
OTHER: Gear Ratio 5.30 Min., NO Max.

YAMAHA JUNIOR SUPERCAN
LITE & HEAVY
DRIVER REQ: Age 12 through 15
ENGINE (S): Yamaha, only heads with OEM casting “Yamaha” and cylinders with Y3 or Y4 and 787 are legal.
FUEL: Gas and oil only.
MIN WEIGHT LITE: 305 lbs.
MIN WEIGHT HEAVY: 320 lbs.
EXHAUST: RLV SSX-V #7548. (See fig. 554.3) If hole exists in pipe for EGT sensor, EGT sensor probe must be in place. .
SPEC TIRES: Bridgestone YHC (USA) - 10 x 4.50-5 front, 11 x 6.00-5 rear
OTHER: NO AXLE CLUTCHES

HPV JUNIOR LITE & HEAVY
DRIVER REQ: Age 12 through 15.
ENGINE: HPV100 with WB3A carburetor
FUEL: Gas and oil only.
MINIMUM WEIGHT LITE: 310lbs.
MINIMUM WEIGHT HEAVY: 320 lbs.
EXHAUST: HPV2 pipe & header (See fig. 603.12)
SPEC TIRES: Bridgestone YHC (USA) - 10 x 4.50-5 front, 11 x 6.00-5 rear

YAMAHA MASTERS
DRIVER REQ: Age 35 and older.
ENGINE: Yamaha, Only heads with OEM casting “Yamaha” and cylinders with Y3 or Y4 and 787 are legal
FUEL: Gas and oil only.
MIN WEIGHT: 360 lbs.
EXHAUST: RLV SSX-V #7548 (See fig. 554.3) If hole exists in pipe for EGT sensor, EGT sensor probe must be in place.
SPEC TIRE: Bridgestone YHC (USA) - 10x4.50-5 front, 11x7.10-5 rear.
OTHER: NO AXLE CLUTCHES

YAMAHA SENIOR SPORTSMAN
LITE & HEAVY
DRIVER REQ: Age 15 and older.
ENGINE: Yamaha, Only heads with OEM casting “Yamaha” and cylinders with Y3 or Y4 and 787 are legal
FUEL: Gas and oil only.
MIN WEIGHT: 330 lbs.
MIN WEIGHT: 360 lbs.
EXHAUST: RLV SSX-V #7548 (See fig. 554.3) If hole exists in pipe for EGT sensor, EGT sensor probe must be in place.
SPEC TIRE: Bridgestone YHC (USA) - 10x4.50-5 front, 11x7.10-5 rear.
OTHER: NO AXLE CLUTCHES

HPV LITE & HEAVY
DRIVER REQ: Age 15 and older.
ENGINE: HPV 100 with WB3A carburetor & HPV3 pipe.
FUEL: Gas and oil only.
MIN WEIGHT: 320 lbs. (LITE)
MIN WEIGHT: 360 lbs. (HEAVY)
EXHAUST: HPV3 pipe & header (See fig. 603.12)
SPEC TIRE: Bridgestone YHC (USA) - 10x4.50-5 front, 11x7.10-5 rear

YAMAHA LITE & HEAVY
DRIVER REQ: Age 15 and older.
ENGINE: Yamaha. Only heads with OEM casting “Yamaha” are legal.
FUEL: Gas and oil only.
MIN WEIGHT: 320 lbs. (LITE)
MIN WEIGHT: 360lbs. (HEAVY)
EXHAUST: Fixed Open (See fig. 552.1)
SPEC TIRE: Bridgestone YHC (USA) - 10x4.50-5 front, 11x7.10-5 rear

KID KARTS
DRIVER REQ: Age 5 through 7
ENGINE: Comer C-50 or Comer C-51: (Per: Section 900 TM 2008)
FUEL: Gas and oil only
MIN. WEIGHT: 150 lbs.
TIRES: Open Compound, Front & Rear size 10 x 4:50 or 4:60 – 5, Max rear circumference 33.75”
GEAR RATIO: 10/89

TAG FINAL 1 & 2
DRIVER REQ: Age 15 and older.
ENGINES: BM Jaguar, Cheetah SQ125, Comer K365, Easykart, Motori Seven, Parilla Leopard, PRD Fireball (2005 & 2008), Rotax Max FR125, Sonik TX 125, Sonik VX 125 (118 cc), Vortex Rok, Vortex Rok TT.
WEIGHTS: BM Jaguar – 350 lbs, Cheetah SQ 125 – 350 lbs, Comer K365 – 385 lbs., Easykart – 350 lbs., Morori Seven – 365 lbs, Parilla Leopard – 365 lbs., Rotax – 350 lbs., Sonik TX 125 (125cc) – 380 lbs., Sonik VX 125 (118 cc) – 365 lbs., Vortex Rok (’03 & ’04) 350 lbs., Vortex Rok TT – 380, PRD Fire Ball (2005 & 2008) 355 lbs.
OTHER: Engines failing to start for the pre-final or final races using the integrated starter may be started using an alternative method but must move to the rear of the grid.
EXHAUST PIPE/SILENCER: Must be stock pipe as supplied by manufacturer for that specific engine. On the Sonik TX and Comer engines, the minimum combined length of the header and connector pipe must be at least 17” as measured from the back side of the header flange at the cylinder, around the right side of the header, connector, and pipe to the first weld at the end of the divergent cone. See Section 610.4.2.
CARBURETOR: Must be stock carburetor as supplied by manufacturer for that specific engine.
SPEC TIRE: Bridgestone YHC (USA) - 10x4.50-5 front, 11x7.10-5 rear
AIRBOX: Required. See section 551.