Sleds racing in this class must be 1975 model year and older to compete. Engines are to be fan cooled 340cc or less.
1. 1975 and older models may compete
2. 340cc and under twin cylinder engine displacement may compete.
3. Studs allowed
4. Carbides allowed
5. Handlebars may be modified or replaced with any commercially available handlebar. Hooks may be added
6. No jackshaft models
7. Any brand replacement track allowed. ¾ lug max
8. Rear suspensions may be interchanged up to 1978
9. Stock Secondary clutch.
10. Stock drive clutch or Power Block / Comet 94c Duster
11. Spreader allowed, up to 3 inches max increase.
12. Steel skis only
13. Stock appearing seat.
14. Diaphragm or Float type carbs allowed / no flatslides,
15. Stock Exhaust
16. Stock Ignition
17. No Rotary or Reed engines.
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