All classes are open tires, unless otherwise stated in "Notes" (denoted by *)

Class# Class Name Weight Age Chassis Race Group
1 Yamaha KT100S Light 370 16-up Enduro 5
2 Yamaha KT100S Heavy 400 16-up Enduro 2
3 100 cc Open/Formula Kart Exp. (FKE I) 360-400* 16-up Enduro 5
4* Unlimited/FKE III 400-475* Attained 18-up Enduro Superkart 1
5 TAG Enduro 365-410* 16-up Enduro Super Stock 1
6 80cc Laydown 410 16-up Enduro 5
7 IKF Intercontinental E (ICE) 465 Attained 18-up Superkart 3&6
8 Yamaha Ltd. Light 330 16-up Sprint 5
9 Yamaha Ltd. Heavy 360 16-up Sprint 2
10 Formula 80 Junior 320 13-15 Sprint 3&6
11 Rotax Max Junior 320 13-15 Sprint 3&6
12 TAG Heavy 400/415* 16-up Sprint 3&6
13 TAG Light 370/385* 16-up Sprint 1
14 Formula 125 Limited 385 16-up Sprint 4&7
15 Formula 125 Limited Heavy 420 16-up Sprint 1
16 Formula 125 385 16-up Sprint 1
17 Sprint Super Stock CR125 (SKUSA) 385 16-up Sprint 4&7
18 Formula 80 Senior 360 16-up Sprint 3&6
19 Super Stock CR125 400 16-up Sprint 4&7
20 WC Super Stock CR125 400 16-up Sprint 1
21 IKF Briggs World Formula Medium 365 16-up Sprint 2
22 IKF Briggs World Formula Heavy 390 16-up Sprint 5
Notes:
  • Enduro karts aka Laydown karts - all classes that state Enduro, allow all other forms of karts to run - CIK Sprint chassis weight is 30 pounds less than stated class weight
  • Superkart chassis classes - must conform to rules in Section 304 that apply
  • Weight: See rulebook for weights
  • Class #4 has specific engines allowed

Local Option Classes

All classes are open tires, unless otherwise stated in "Notes" (denoted by *)

Class# Class Name Weight Age Chassis Race Group
26 Formula 80cc Senior II 360 16-up Sprint 1
27* Sprint Stock CR125 385 16-up Sprint 4&7
           
31 Rotax Max DD2 400 16-up Sprint 1
32 Rotax Max DD2 II 400 16-up Sprint 3&6
33 Mega R01 TBD 16-up Sprint 2
34 Mega R01 II TBD 16-up Sprint 5
           
40 VKA/VKCA Vintage I - IV TBD 16-up Vintage 2
41 VKA/VKCA Vintage I - IV II TBD 16-up Vintage 5
           
43 Run What You Brung Open Attained 18-up Enduro 5
44 125cc-150cc Open / FKE II 360-400* 16-up Enduro 2
45 125cc-150cc Open / FKE II II 360-400* 16-up Enduro 5
47 Formula E (FE TWIN) 475 Attained 18-up Superkart 3&6
48 Super ICE GasGas 250K 465 Attained 18-up Superkart 3&6
49 125 Gearbox Superkart 465 16-up Superkart 3&6
           
54* 4 Stroke Open 365 16-up Sprint 2
55* 4 Stroke Open II 365 16-up Sprint 5
56* 4 Stroke Open Heavy 390 16-up Sprint 2
57* 4 Stroke Open Heavy II 390 16-up Sprint 5
           
60 Junior 100cc I 320 13-15 Sprint/Enduro 2
61 Junior 100cc II 320 13-15 Sprint/Enduro 5
62 Junior 4 Stroke Open 320 13-15 Sprint/Enduro 2
63 Junior 4 Stroke Open II 320 13-15 Sprint/Enduro 5
           
70 Electric Kart I TBD 16-up Sprint 2
71 Electric Kart II TBD 16-up Sprint 5
Notes:
  • Enduro karts aka Laydown karts - all classes that state Enduro, allow all other forms of karts to run - CIK Sprint chassis weight is 30 pounds less than stated class weight
  • Superkart chassis classes - must conform to rules in Section 304 that apply
  • Weight: See rulebook for weights
  • Class #27 - spec tire is MG Yellow, spec gear is 18/21
  • Classes #54 - 57 - Engines allowed are:  Clone, Briggs Flathead, Briggs Animal, Briggs LO206, Briggs World Formula

Event Registration

Registration for the 2017 Road Race Grand Nationals at "The Ridge" on August 1-4, hosted by the Puget Sound Road Race Association is now open and will close on Sunday, July 30th at 9pm Pacific time.

Need Help? See our Step By Step Tutorial.

 

2017 Schedule

  • Nov 26 - Sonoma Raceway
  • Feb 27 - Thunderhill
  • Mar 25-26 - Laguna Seca
    Corkscrew Nationals
  • May 7 - Thunderhill West
  • June 5 - Thunderhill
  • Aug 1-4 - The Ridge
    IKF Road Race Grand Nats
  • Sep 2-3 - Thunderhill West
    2 Days, 2 Ways
  • Oct 21 - Thunderhill West
  • Nov 25 - Sonoma Raceway
    2018 Points Race #1

It's All About the Tracks

Northern California Karters Club uses and accesses some of the best racetracks in California. While the name Northern reflects the original location at the time of the club establishment 10+ years ago. The fact is that our series uses tracks based all over our great state.