As we all know, jetting is critical on getting the best from a Rotax. Surprise, that’s not one bit different from any other engine on the market. We all use MaxJet software to set our jetting but I was interested in finding out just how accurate it was for my motor. Now I could have spent a couple of days at the track burning up tires but never really knowing for sure if I had it right or not.
So I spent a couple of bucks with a dyno to check out where my MaxJet numbers were. In less than 1 hour, I found the answer. It is off by two jet sizes. The motor ran fine at the recommended settings but I did find that if we went 2 jets sizes smaller, we found a slight boost in power. I only suggested using the dyno because you can get accurate answers quickly and economically.
What happened in Florida was entirely different. There we had a dealer who sorting cylinders and selling the “best” for thousands of dollars. What I suggested some racers may want to do would make me exactly zero dollars, none, nada, zippo. If you followed my suggestion, all it would have done is made YOU faster. I have had people come to me and ask for a different cylinder and my answer is why? There’s nothing there. Its a waste of money to try and sort parts. Better to spend the time at the track working on driving.
My whole goal is to make every racer in this state as fast as I can whether you bought your kart from me or not. To that I’m offering a FREE seminar on prepping your kart and learning how to maintain it. Part of it will be what a guy should do to prepare for a national level event. If that makes us an “Outlaw”, well then call the sheriff. we’re guilty.
I’ve only setup karts at 35 different tracks around the country. I don’t know everything but I do know a bit. If you don’t want access to that info for FREE, then I guess you can do what ever you want.