SSC East JuniorMax-----Age 13 to 16-----320 lbs. minimum
Mandatory use of a junior cylinder without exhaust valve. Competitor must reach the age of 13 by October 31, 2009 (see note_1 below). No Junior class competitor may attain the actual age of 17-years-old prior to October 31, 2009. Junior drivers reaching the age of 13 after October 31, 200worl9 may compete in the US Grand Nationals as a Junior but will not be eligible to qualify for the Rotax Grand Finals. SFI approved Chest Protectors recommended.
SSC East Senior Max-----Age 15 & up-----365 lbs. minimum
Competitor must reach the age of 15 by October 31, 2009.
SSC East Master-----Age 16 & up------405 lbs. minimum
Official Masters class age is 32. The age of 32 must be reached by October 31, 2009.
Competitors of competition age less than 32-years-old (competition age) must reach the age of 16 by October 31, 2009 and have a minimum driver weight of 190 pounds including all race apparel except helmet.
SSC East DD2-----Age 15 & up-----385 lbs. minimum
Competitor must reach the age of 15 by October 31, 2008.
*DD2 Masters: DD2 drivers reaching the age of 32 by October 31, 2009 may declare to be recognized as a DD 2 Master. At the USRKC Grand Nationals and for USRKC National Points the top masters drivers will be recognized separately. All DD2 drivers will compete together, there will not be a separate class for DD 2 Masters.
Notes:
ENGINE: Dual Seal Requirement to receive RMax punch.
SPEC TIRES: MOJO D2 4.5/7.1 (Dry) & MOJO W2 4.5/6.0 (Wet)
FUEL: Spec Fuel – 93 Octane, Motul 800 2T
EXHAUST: Original, unaltered exhaust header and pipe required
YOUR PROOF READING HELP IS APPRECIATED - PLEASE LET US KNOW IF ANY OF THE CLASS INFORMATION LOOKS OUT OF LINE.

MG Tires is providing contingency gift certificates for the top 3 finishers in ALL classes below
2 Stroke Classes
KID KARTS-----Age 5 to 7-----150 lbs. minimum
ENGINE: Comer C-50 or Comer C-51: (See Section 900)
FUEL: Spec Fuel
TIRES: MG-HZ Red, Bridgetone YKC, MOJO D2, Front & Rear size 10 x 4:50 or 4:60 – 5, Max rear circumference 33.75”
FIXED GEAR RATIO: 10/89.
Full Tilt Racing CADET SPORTSMAN FINAL 1 & 2-----Age 8 to 12-----235 lbs. minimum
ENGINE: Comer K-80.
FUEL: Spec Fuel.
KART: OverallMAX. Length 72”, Wheelbase 35” Min. & 41” max.
SPEC TIRE: MG-HZ Red, Bridgetone YKC, MOJO D2 10x4.5-5 Front & rear.
OTHER: Gear Ratio 5.30 Min., NO Max. (See Figure. 611.14b for Bodywork Measurements).
YAMAHA JR SPORTSMAN:-----Age 8 to 12-----250 lbs.
ENGINE: Yamaha, Only heads with OEM casting “Yamaha” & cylinders with Y3 or Y4 & 787 are legal
FUEL: Spec Fuel.
EXHAUST: RLV SSX-V #7548. (See Section 554.3 & Figure 554.3)
CARBURETOR: Walbro WA55B with WA55B manifold
(See Sections 601.6 & 601.7).
SPEC TIRE: MG-HZ Red, Bridgetone YKC, MOJO D2 10x4.5-5 Front & rear.
OTHER: Gear Ratio 5.30 Min., NOMax. NO AXLE CLUTCHES.
YAMAHA JUNIOR-----Age 12 to 15-----305 lbs
ENGINE: Yamaha, only heads with OEM casting “Yamaha” & cylinders with Y3 or Y4 & 787 are legal. FUEL: Spec Fuel.
EXHAUST: RLV SSX-V #7548. (See Section 554.3 & Fig. 554.3)
SPEC TIRES: Bridgestone YKC - 4.5/6.0, MG HZ (Red) 4.5/6.0, MOJO D2 4.5/6.0
OTHER: NO AXLE CLUTCHES.
TAG Junior-----Age 13-16 (Must reach age of 13 and can not turn 17 prior to Oct 31, 2010). (Updated 5/27/2010)
ENGINES & MIN WEIGHTS: Parilla Leopard – 320 lbs., Rotax FR 125 – 320 lbs.
FUEL: 93 Octane, Motul 800 2T
EXHAUST: Stock
SPEC TIRE: Bridgestone YKC - 4.5/7.1, MG HZ (Red) 4.5/7.1, MOJO D2 4.5/7.1
Haase Karts YAMAHA Senior Sportsman-----Age 15 & Older-----360 lbs. (Updated 2/17/2010)
Yamaha, Only heads with OEM casting “Yamaha” & cylinders with Y3 or Y4 & 787 are legal
FUEL: Spec Fuel.
EXHAUST: RLV SSX-V #7548 (See Section 554.3 & Figure. 554.3)
SPEC TIRE: Bridgestone YKC - 4.5/7.1, MG HZ (Red) 4.5/7.1, MOJO D2 4.5/7.1
OTHER: NO AXLE CLUTCHES.
SENIOR EXPERT-----Age 15 & Older-----360 lbs. minimum (Updated 2/19/2010)
ENGINE: Everything that doesn’t fit a defined class
FUEL: Open
EXHAUST: Open
SPEC TIRE: Open
Compressed Air TAG SENIOR HEAVY-----Age 15 & Older-----See Weights Below
ENGINES & MIN WEIGHTS: BM Jaguar – 360 lbs, Cheetah SQ 125 – 360 lbs, Comer K365 – 390 lbs., Easykart – 360 lbs., Motori Seven – 375 lbs, Parilla Leopard – 375 lbs., Rotax FR 125 – 375 lbs., Sonik TX 125 (125cc) – 390 lbs., Sonik VX 125 (118 cc) – 375 lbs., Vortex Rok (’03 & ’04) 360 lbs., Vortex Rok TT – 390, PRD Fire Ball (2005 & 2008) 360 lbs.
FUEL: 93 Octane, Motul 800 2T
EXHAUST: Stock
SPEC TIRE: Bridgestone YKC - 4.5/7.1, MG HZ (Red) 4.5/7.1, MOJO D2 4.5/7.1
TAG CLASSES ADDITIONAL SPECS:
FUEL: Spec Fuel. EXHAUST PIPE/SILENCER: Must be stock pipe as supplied by manufacturer for that specific engine. On the Sonik TX & Comer engines, the min combined length of the header & 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, & pipe to the first weld at the end of the divergent cone. On the Parilla Leopard engine, the min combined length of the header and connector pipe must be at least 15 ?”. See section 610.4.2. CARBURETOR: Must be stock carburetor as supplied by manufacturer for that specific engine. SPEC TIRE: MOJO D2 4.5/7.1, Bridgestone YKC - 4.5/7.1, MG HZ (Red) 4.5/7.1. AIRBOX: Required. See Section 551. OTHER: In the event that the engine cannot be started on the grid with the onboard starter, an auxiliary starter may be used. In any case, the onboard starter is subject to post race tech inspection to ensure that all components are present & correctly installed. TAG runs separately.
Shifter-----Age 15 & Older-----385 lbs. minimum (Updated 2/17/2010)
Open Tires
FUEL: Spec Fuel.
4 Stroke Classes
Briggs Animal Jr-----Age 12 to 15-----310 lbs. minimum
ENGINE: B&S Stock Animal Engine with 0.575” (Black) restrictor plate
FUEL: Methanol.
SPEC TIRES: Bridgestone YKC
Briggs Animal Sr-----Age 15 & Older-----350 lbs. minimum
ENGINE: B&S Stock Animal Engine
FUEL: Methanol.
SPEC TIRES: Bridgestone YKD
Service Master Briggs World Formula Meduim-----Age 15 & Older-----385 lbs. minimum (Updated 2/17/2009)
ENGINE: B&S Stock World Formula Engine
FUEL: Gasoline ONLY
SPEC TIRES: Bridgestone YKD