Indoor Short Track Races Sat FEB 11, Purcell, Okla

**Jiveturky** · 01-09-2006, 10:14 AM

Bob,

What kind of tires are the kids running? The class rules seem easy enough but are there any limitations, exhaust, carb, etc?? My son's ttr 90 has been bored up to a 110 for the CMRA's f7 class. The bike is really fast and it would anihilate any stock 110 or 90. He has no dirt experience so anihilate might be harsh. I just don't want to show up with a cheater bike. [img]/ubbthreads/images/%%GRAEMLIN_URL%%/smile.gif[/img]

When and where is the next round?

Thanks, Eric

**Bob Oertle** · 01-09-2006, 11:11 AM

There is no Stock motorcycle in Dirt Track Racing, as the frame, suspension, wheels and tires are changed on most.

Brian Isbell's two BBR Honda 110's are jets, and have consistently out run KTM 65's and the Polinis.

Engine mods are unlimited in these classes, other than they must use a carburetor, no turbo or superchargers. No Methanol fuel or oxidizers such as propelyne oxide, nitro benzene or Nitros Oxide fuel additives.

Most the four strokes have ported cylinder heads, big cams, heavy valve springs, aftermarket exhaust systems. Most run the stock wheels and tires, but some have dirt track setups. Several have suspension work and different handlebars etc. Two Strokes have not dominated in this division.

We started with a Beginner or B class for riders that were new to the sport. Limited the two strokes to 50cc and 4 strokes up to 110cc. Then we added the A class for more advanced riders, 2 stroke up to 65cc etc.

Most the kids like to run both classes to test their skill levels. Every rider gets a trophy, top three earn larger 1st 2nd 3rd trophies. We keep points in these classes, and they all seem to have a great time.

Several of the Advance riders compete on their four stroke 110cc bikes in the 85 class also.

We focus on a training type class which is fun for the kids, and driving sales of aftermarket parts for the dealers and manufacturers. FMF Racing products and Twin Air are two of our contingency sponsors for the series. So they appreciate us allowing their products to be used on the machines.

**Bob Oertle** · 01-09-2006, 11:15 AM

**Bob Oertle** · 01-10-2006, 12:09 AM

"Video from the Indoor Short Track - OK Corral"

A Short Video from the OK Corral Races.

http://www.archive.org/download/Race...Race_Small.mpg

Download this if you are running dialup or slower than cable modem speed.

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