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2016 OSKCS Rules

The rules stated in the rule book PDF link below shall govern all race events, regardless of location.  Changes and corrections/clarifications may be made at any point throughout the season.  At least 30 days notice or 1 race date passing will be required for rules changes to take affect.

OSKCS 2016 RULES BOOK (PDF) -- Updated February 10th, 2016

2016 Class Specifications Table: The following are the list of official classes for the current OSKCS Championship season. IMPORTANT: See rule book for details, including support for other classes (section 4.2)

MG Red Classes

Class Engine Age Tire Fuel Rule Set Wt (lbs)
Kid Kart Comer 50 5 to 7 MG Red Gas *1 IKF 160
Junior 1 Briggs Animal w/ Yellow Slide 7 to 11 MG Red Gas *1 IKF 260
Junior 2 Briggs World Formula 12 to 15 MG Red Gas *1 IKF 325
WF Med. Briggs World Formula 16 up MG Red Gas *1 IKF 365
WF Hvy. Briggs World Formula 16 up MG Red Gas *1 IKF 390
LO206 Jr. I Briggs LO206 w/ Yellow Slide 7 to 11 MG Red Gas *1 IKF 240
LO206 Jr. II Briggs LO206 12 to 15 MG Red Gas *1 IKF 320
LO206 Sr. Briggs LO206 15 up MG Red Gas *1 IKF 360
LO206 Masters Briggs LO206 30 up MG Red Gas *1 IKF 360
Gas *1 - Gas must be non-ethanol, non-oxygenated 92 Octane Gasoline
For above classes, ONLY Bridgestone rain tires are allowed.

All Other Classes

Class Engine Age Tire Fuel Rule Set Wt (lbs)
TaG Sr* SKUSA or IKF 16 up MG Yellow or White Gas *2 SKUSA/IKF **
S2 Shifter 99 Honda CR 125 14 up MG Yellow or White Gas *2 SKUSA/IKF 385
S4 Shifter 99 Honda CR 125 30 up MG Yellow or White Gas *2 SKUSA/IKF 405
Super Sport 200 Clone 200cc 16 up Maxxis HG-1 Pump Gas SS200 380
Rotax Micro Max Rotax Micro Max 7 to 10 Mojo D1 Gas *3 RMCS 235
Rotax Mini Max Rotax Mini Max 9 to 13 Mojo D1 Gas *3 RMCS 265
Rotax Jr. Rotax 13 to 16 Mojo D1 Gas *3 RMCS 320
Rotax Sr. Rotax 15 up Mojo D2 Gas *3 RMCS 364
Rotax Masters Rotax 21 up or 190 lbs+ Mojo D2 Gas *3 RMCS 405
Yamaha Yamaha KT-100 16 up MG Yellow Gas *2 IKF  
  w/ expansion pipe         360
  w/ RLV-3 pipe         350
Gas *2 -- One of: VP MS 98, VP VP-110, or ERC 110
Gas *3 -- 92 Octane from [Mac: Texaco near Wilco on 99W. PARC: Wilsonville or Canby Chevron]
O2s Championship will run TaG Cadet, Jr, and Sr. KT100's and Rotax are also welcome to participate in the O2s Championship. See their website for details.
Spec oil for Rotax Classes is Rotax Synthetic Oil mixed between 32:1 and 50:1
For above classes, Bridgestone, MG, Vega, or Mojo rain tires may be used

1 race (August 20,21) counts towards the Northwest Gold Cup
6 of the 2-stroke races count towards the O2s Championship - see their website for class specifics

OSKCS 2016 RULES BOOK (PDF)

Typical Race-Day Time Schedule

  • Gates Open - 7:30 AM
  • Practice - 9:00 AM
  • Qualifying - 11:00 AM
  • Races - 12:30 PM

 

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