IWA Racing Action

Visit IWA’s website for rules, schedules, etc.

Grantsburg Watercross, WI

Vintage Racing

Sponsored by Dennis Kirk

Grantsburg Watercross Vintage


Subject to change

  1. Youth 0-650cc Air or Fan Cooled 1990 & Older
  2. 0 – 800cc Fan Cool or Free Air 1990 & Older
  3. 0 – 440cc Liquid Cooled Stock Motor and Exhaust 1990 & Older
  4. 441 – 650cc Liquid Cooled Stock Motor & Exhaust 1990 & Older
  5. Open Mod: Any motor, any modification, any sled 1990 & Older
  6. Open Mod Oval: Any motor, any modification, any sled 1990 & Older


  • Classes (1) & (3) Stock motor, Stock, exhaust, change rear suspension, motors may be a different brand
  • Classes (2), (5), & (6) may modify the motor, exhaust, run pipes, change rear suspension, motors may be a different brand.
  • Class (4) for the Polaris Indy 500 may run the Hooper Silencer Kit
  • Class (5) may run an oval lap in order to determine winner.
  • Class (6) will run as an oval class.
  • All sleds can upgrade clutching, jetting and gearing.
  • Suspensions can be raised or lowered.
  • Front suspensions if IFS must remain IFS. On non IFS, you may mount the ski to spindle and remove the leaf spring.
  • All sleds must have a belt guard, hood and brakes.
  • All sleds must have a functioning Tether Switch and Tether.
  • A standard RUBBER snowmobile track is required.
  • No cleated tracks or studs allowed.


Drivers must wear a helmet that is Snell certified and a vest type life jacket.


  • Snowmobiles must be inspected by Race Official or Tech Official before it is allowed to be used or raced.
  • Snowmobiles will be checked for properly operating tether switch, brake, sharp edges, belt guard, retrieval rope and buoy.


  • Trophies for 1st – 3rd in each class
  • Must have a fire extinguisher in the “Pit Area” with each crew.
  • No registration fees for competing in the Vintage Race.
  • Drivers & pit crew must purchase a “weekend” wristband.
  • Parking is limited, you must unload your sleds and park your vehicle and trailer outside the pit area.
  • You must sign a waiver to race.
  • No alcohol or drug use permitted by any racer or pit crew before or during the race.

If you have questions or concerns, please contact Tim Wood at . . . info@grantsburgwatercross.com