I think you have 1 or 2 practice runs.
The hillclimb is essentially made for tards, in addition to the bar requirement, all bikes must be either single or twin (2 or 4 stroke). Clearly the rules are there to eliminate ss bikes.
I think the race is Aug 25~26, and I think you will need to be a licensed racer to enter. Take a look at their sporting reg. http://www.climbascutney.com/