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2010 Tri-C and EP1K Race Classes

Race Officials follow the 2010 IKF National Rule book except where noted.


Fuel and Oil:
Spec Fuel/Oil for Rotax Engines is MS 93 with 4oz Motul 800 per gallon
Spec Fuel for all other 2 cycle classes is MS 98 with 8oz of Burris Castor per gallon.
Spec fuel for World Formula classes is MS 98.

Kid Karts:
Ages: 5-8 Driver must have attained the age of 5 to compete. Kid Kart drivers may finish the season in the year they have their 8th Birthday (if on January 1st they have obtained the age of 8, they must move up to the next class).
Weight: 160 lbs minimum kart and driver combined
Tires: Bridgestone YKC. Tire size Front and Rear 4.50/10.0-5
Engine: Per IKF rule book section 622.50. Optional K&N air filter is allowed.
Front Width: Maximum 40”
Rear Width: Minimum 39” Maximum 42”

Jr 1:
Competition age: 8-11
Weight: 225 lbs minimum kart and driver combined
Tires: Bridgestone YKC. Tire size Front and Rear 4.50/10.0-5
Engine: Per IKF section 623.4: Comer 80cc.
Rear Width: Maximum 50”

HPV/KPV-1 Cadet:
Competition age: 8-11
Weight: 240 lbs minimum kart and driver combined
Tires: Bridgestone YKC Front and Rear 4.50/10.0-5
Engine: HPV 100. HPV-1 Spec Exhaust & Carb(WA-55)
Maximum Rear Width: 50”
Clutch: Spec HPV Clutch

HPV/KPV-2:
Competition age: 12-15.
Weight: 310 lbs minimum kart and driver combined
Tires: Bridgestone YKC 4.5/10.0-5 front, 6.0/11.0-5 Rear
Engine: HPV-100. HPV-2 Spec Exhaust & Carb(WA-3B)
Maximum Rear Width: 55-1/8”
Clutch: Spec HPV clutch


HPV/KPV-4 Sr:
Competition age: 16 & up
Weight: 340 lbs minimum kart and driver combined
Tires: Bridgestone YKC 4.5/10.0-5 front, 7.1/11.0-5 Rear
Engine: HPV-100. HPV-4 Spec Exhaust & Carb(WA-3B)
Maximum Rear Width: 55-1/8”
Clutch: Spec HPV clutch


HPV/KPV-4 Plus :
Competition age: 35 & up or Driver Weight of 190 lbs.
Weight: 390 lbs minimum kart and driver combined
Tires: Bridgestone YKC  4.5/10.0-5 front, 7.1/11.0-5 Rear
Engine: KPV-100. HPV-4 Spec Exhaust & Carb(WA-3B)
Maximum Rear Width: 55-1/8”
Clutch: Spec HPV clutch.

TAG:
Rules and Weights per IKF National Rule Book 

Engine      Weight
PRD Fireball 2008   370
PRD    370
Rotax          370
Pre 2009 Leopard   370
Post 2009 Leopard         385
Sonik TX 125           385
Vortex Rok TT   385
Motori Seven     370

* As competition experience dictates, weights may be adjusted each year by the IKF Board of Directors upon recommendation of the IKF Sprint Committee.

Competition age: 16-up
Chassis: IKF sprint Chassis per section 200
Brakes: Rear wheel brakes only
Bodywork: CIK bodywork as specified by IKF in current 200 section
Fuel: Unleaded gasoline, 98 Octane Maximum (Rotax engines must use Motul 800 and MS 93 mixed @ 4 oz. per 1 Gallon.)
Oil: Mixed in the amount specified by manufacturer, 4 cycle oil is open
Tires: Bridgestone YKC

TAG Masters:
Rules and Weights per IKF National Rule Book; add 30 Lbs to the IKF TAG weights.
Drivers 30 years and over.
Tires: Bridgestone YKC

PRD Spec:
Per IKF Region 7 Rules http://www.ikfkarting.com/OfficePages/PDFs/PressReleases/Reg7PRDrules2010.pdf
Competition age: 16-up.
Weight: 360 lbs minimum kart and driver combined
Tires: Bridgestone YKC or Maxxis HG3. 4.5/10.0-5 front, 7.1/11.0-5 Rear
Engine: PRD. Spec Exhaust & Carb(HL-166)
Maximum Rear Width: 55-1/8”
Clutch: Spec PRD clutch.
Gear: 80 Tooth rear gear: + or – 1 tooth
NOTE: The IKF Region 7 claiming rule will not be used.


Rotax Grand Masters:
Competition age: 40 and up.
Weight: 385 lbs minimum kart and driver combined
Tires: Maxxis HG3. 4.5/10.0-5 front, 7.1/11.0-5 Rear
Engine: Rotax 125cc, per RMax Rules
Maximum Rear Width: 55-1/8”
Clutch: New style or Old Style Spec Rotax Clutch

Sr. World Formula:
Competition age: 16-up  
Weight: 365 lbs minimum kart and driver combined
Tires: Bridgestone YKC or Maxxis HG3. 4.5/10.0-5 front,  6.0 /11.0-5 Rear
Engine: World Formula per IKF Section 717
Maximum Rear Width: 55-1/8”
Clutch: As specified in IKF rule book 

Jr. World Formula: 
Competition age: 12-15  
Weight: 325 lbs minimum kart and driver combined
Tires: Bridgestone YKC or Maxxis HG3. 4.5/10.0-5 front,  6.0/11.0-5 Rear
Engine: World Formula per IKF Section 717
Maximum Rear Width: 55-1/8”
Clutch: As specified in IKF rule book.