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Vortex Mini ROK Corrections, Clarifications and Reminders
Friday, 12 November 2010 17:41
  • Air box:  The correct dimensions for the air box tube are diameter = 22mm+/-1mm;  length = 95mm+/-1mm.
  • Cylinder length = 71.55mm +/-.3mm (Not posted on the 2010 pdf.)
  • All class participants, including Vortex-supplied engines:  Full chain/clutch cover required, such as OTK, KG or Tillett or billet clutch cover with chain cover strap.