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2015 SRR Competition Classes

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   1. Kid Kart

Comer C-51 Engine
10-89 gear ratio, any tire size 10-4.5x5, 150#'s kart and driver minimum weight, ages 5 through 7
Honda GXH50 sealed engine
Any tire size 10-4.5x5, 150's kart and driver minimum weight, ages 5 through 7

Honda Classes
   2. Jr. Box Stock 1

Ages 7 through 11, Bridgestone YDS tires 4.5 or 6.0.
Black Restrictor @ 225#'s
Gold Restrictor @ 275#'s
Unrestricted @ 320#'s
   3. Jr. Box Stock 2

Ages 12 through 15, Bridgestone YDS 4.5 and 6.0 tires
Red Restrictor @ 225#'s
Green Restrictor @ 275#'s
Unrestricted @ 305#'s
Milled GX200 Head @ 325#'s
   4. Sr. Box Stock Honda

16 and older, Bridgestone YDS 4.5 and 6.0 tires
Red Restrictor @ 300#'s
Green Restrictor @ 340#'s
Unrestricted @ 370#'s
Milled GX200 Head @390#'s
   5. Jr. Super Stock

Ages 9 through 15, Bridgestone YDS 4.5 and 6.0 tires
Red Restrictor @ 260#'s
Green Restrictor @ 300#'s
Unrestricted @ 330#'s
   6. Sr. Super Stock

Ages 16+ (12+ with a year of race experience). YDS 4.5 with 6.0 or 7.1 rear tires.
Red Restrictor @300#'s
Green Restrictor @ 340#'s
Unrestricted @ 370#'s
Milled GX200 Head @390#'s
   7. Honda Masters

Two divisions; 35> and 50>, YDS 4.5 with 6.0 or 7.1 rear tires.
Red Restrictor @320#'s
Green Restrictor @ 360#'s
Unrestricted @ 390#'s
Milled GX200 Head @410#'s

Clone Box Stock Classes
   8. Jr. Box Stock 1 Clone

7 through 11 years, Bridgestone YDS tires 4.5 or 6.0.
SRR Black or ARP Purple @ .500" and 265#'s
Per WKA tech, small pipe & muffler, no disc clutches
   9. Jr. Box Stock 2 Clone

12 through 15 years, Bridgestone YDS 4.5 and 6.0 tires
ARP Blue .550" restrictor @ 290#'s
Per WKA tech, small pipe & muffler, no disc clutches.
 10. Sr. Box Stock Clone

16 and older, YLC 4.5 & 7.1 Tires, 375#'s, any dry clutch, per WKA tech.

Animal 206 Classes
 11. Sportsman

8 through 12 years, YDS 4.5 tires, Green Slide w/lock, RLV header & silencer, 260#s'.
 12. Junior

12 through 15 years, YDS 4.5 & 6.0 tires, Yellow Slide w/lock, RLV header & silencer, 310#s'.
 13. Senior

15+ on age, YDS 4.5 & 6.0 tires, unrestricted, 375#'s.

Yamaha Classes
 14. Jr. Sportsman

8-12 years, Bridgestone YLC 4.5 tires, Y-3, Y-4, or 787 cylinders, RLV SSX-V #7548 can muffler, Walbro WA55B carb, 245#'s.
 15. Junior

12-15 years, Bridgestone YLC 4.5 & 6.0 tires, Y-3, Y-4, or 787 cylinders, RLV SSX-V #7548 can muffler, Walbro WB3A carb, 320#'s.
 16. Senior Pipe

15+ on age, Bridgestone YLC 4.5 & 7.1 tires, Y-3, Y-4, or 787 cylinders, RLV SR-Y pipe w/#9110 header and 1.75" insert. 9.5" minimum piston to end of insert, Walbro WB3A carb, 345#'s.

Other 2 Cycle Classes
 17. Komet Piston Port

Senior class, drivers 15+, 360#'s, Any HPV or KPP combinations per WKA spec. Bridgestone YLC 4.5 & 7.1 tires.
 18. TAG Class

15+ ages, per current WKA specs on engines and weights.

 


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