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Classes for 2010

Sugar River Raceway Local Rules Box Stock Briggs Classes.
See SRR tech manual for details.

2010 Sugar River Competition Classes

 

Class

Age

Total #'s

Engine

Tires

Kid Kart

5 - 7

150

Comer C50 & 51

Any 10-4.50x5

Jr. Box Stock 1 Honda

7 through 11

Restrictors, Turq. = 225, Gold = 275 Non = 320

Inspected & Sealed Honda GX200 by SRR

Bridgestone YDS 10-4.50x5 fronts 11-6.00x5 Rears

Jr. Box Stock 2 Honda

12 through 15

Restrictors, Red = 225, Green = 275, Non = 305

Inspected & Sealed Honda GX200 by SRR

Bridgestone YDS 10-4.50x5 fronts 11-6.00x5 Rears

Sr. Box Stock Honda

16 and older

Restrictors, Red. = 290, Green = 340, Non = 370

Inspected & Sealed Honda GX200 by SRR

Bridgestone YDS 10-4.50x5 fronts 11-6.00x5 Rears

Jr. Box Stock 1 Clone. 

7 through 11

Restrictors, Turq. = 225, Gold = 275 Non = 320

Honda or Honda Clone OHV 6.5 HP. Unsealed.

Bridgestone YDS 10-4.50x5 fronts 11-6.00x5 Rears

Jr. Box Stock 2 Clone

12 through 15

Restrictors, Red = 225, Green = 275, Non = 305

Honda or Honda Clone OHV 6.5 HP. Unsealed

Bridgestone YDS 10-4.50x5 fronts 11-6.00x5 Rears

Sr. Box Stock Clone

16 and older

Restrictors, Red. = 290, Green = 340, Non = 370

Honda or Honda Clone OHV 6.5 HP. Unsealed

Bridgestone YDS 10-4.50x5 fronts 11-6.00x5 Rears

Briggs Animal Jr. Local Option 206

9 through 16

Non = 300

Factory Sealed LO206 Animal per WKA tech

Bridgestone YDS 10-4.50x5 fronts 11-6.00x5 Rears

Junior Super Stock Honda

9 through 15

Restrictors, Red. = 260, Green = 300, Non = 330

Inspected & Sealed Honda GX200 by SRR

Bridgestone YDS 10-4.50x5 fronts 11-6.00x5 Rears

Senior Super Stock Honda

16 and older

Restrictors, Red. = 300, Green = 340, Non = 370

GX160 Head = 390

Inspected & Sealed Honda GX200 by SRR

Bridgestone YDS 10-4.50x5 fronts 11-6.00x5 Rears

Honda Masters

35 and older

And also 50 and older

Restrictors, Red. = 320, Green = 360, Non = 390

GX160 Head =

410

Inspected & Sealed Honda GX200 by SRR

Bridgestone YDS 10-4.50x5 fronts 11-6.00x5 Rears

HPV or Yamaha Jr. Sportsman

8 through 12

250

WA55B carb, RLV SSX-V 7548 HPV #1 Pipe

Bridgestone YHC or YKC or WKA spec tire

Yamaha Pipe,  HPV w/3 or 4 pipe also.

12 & older

360

Per WKA tech, & pre 787 cylinders allowed

Open

Honda, Honda Clone Stock Appearing

12 and older

Restrictors, Red. = 320, Green = 360, Non = 390

Honda GX200 based engine per SRR tech

Bridgestone YDS 10-4.50x5 fronts 11-6.00x5 Rears & 11-7.10x5 Rear

*Briggs World Formula

12 and older

370

Briggs World Formula

Bridgestone YHC or YKC  4.50 & 7.10

*Briggs Jr. Sportsman

8 through 12

Restrictor Turquoise = 265

Briggs & Stratton Animal per WKA tech

Bridgestone YHC, YKC or WKA spec tire

*Briggs Restricted Jr.

12 through 15

Restrictor, Black .575” at 320 #’s

Briggs & Stratton  Animal per WKA tech

Bridgestone YHC, YKC or WKA spec tire

*WKA Briggs Animal Sr.

12 and older

Light = 325 Medium = 350 Heavy = 375

Briggs Animal per WKA specs

Bridgestone YHC, YKC or WKA spec tire

*Yamaha Sr. Sportsman

12 & older &

Light = 330 Heavy = 360

Yamaha KT-100  RLV SSX-V 7548

Bridgestone YHC, YKC or WKA spec tire

*HPV or KPV Heavy

12 and older

360

HPV #3 carb and pipe

Bridgestone YHC, YKC or WKA spec tire

*TAG Masters

35 and older

Leopard = 385 Rotax = 375 Sonik = 400 Fireball = 370 Vortex ROK = 370

TAG engine package per WKA spec.

Bridgestone YHC, YJB

* Non season championship


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