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While I’m a huge fan of the B’stone YHC, in many ways the MG yellow is a better tire. It is a bit faster for it has better grip. It doesn’t fall off with heat cycles like the YHC and it seems to last a bit longer. You should be able to get 2 race weekends out of it with good tire management and unlike the YHC which would be noticably slower the second weekend, the MG will be close.
MG Yellows puts you in line with Tag USA of approved tires so your driving style and setup information will be helpful if you leave the area.
But remember, new tires are always faster than old tires.
On the rear gear, there is a way around the fixed rear gearing but it costs money. If you use a narrow rear wheel, it rounds out the tire more effectively changing the gearing. I have made custom wheels for kid kart parents (not locally for with our open gearing its not an issue) and I can tell you that they are way more expensive than buying a few sprockets.
This is a common case of misguided rules making. The idea of fixed gears was to limit speeds and reduce costs by limiting hte number of gears needed to purchase. But there are ways around it, expensive ways around it and some parents have plenty to spend.
So here’s the choices, if you fix the gearing, they you should also spec a minimum width for the wheel. ( To prevent parents from buying a $200 set of custom billett wheels for the rear) You should also consider a maximum tire roll out to prevent creative stretching of the tires (Heating them in an oven under pressure to make them bigger).
Or allow open gearing. Sprockets aren’t that expensive. Less than $100 in sprockets will cover all our tracks and you will be able to use them as you move up in class.
On the other hand, if you go to the kid kart nationals, you will need to learn how to do the narrow wheel balloon tire tricks.
Overall, the kid kart rules look very good.
No problem, it wouldn’t cost squat to put it back together. The $50 protest fee would easily cover all my costs.
They could have taken the Rotax apart if they would have paid for the seal to be put back in place. I made that offer. But $50 wouldn’t have covered the shipping, let alone the $250 bill for the inspection. Had I let them tear it apart, we wouldn’t have been able to race the next two times out. Its that simple. We went to a SEALED motor class so that we didn’t have to put up with STUPID protests like that. Besides, the guy who made the protest has since come up and appolgized to us for making the protest in the first place. We’ve forgotten it, its a shame that there are some who just can’t let it go.
What you and others seem to fail to understand, its all about the money. I don’t have much. I have less in both my karts than you have in one of your engines. I traded parts for my Rotax engines. I use seconds that I can’t sell for the parts in our karts. My tow truck is 15 years old and has 195,000 miles on it. My daily driver is 16 years old and has 174,000 miles on it. My wife’s car is 11 years old and has 136,000 miles on it. If I sold all my cars, the total wouldn’t buy one of your karts.
Marc
A stock moto comes in a kit. The parts are NOT assembled by Honda. Some one has to put it together. It can be done by a kid on a dirty gargage floor or by a Paul Leary in a clean room environment. Which one do you think will deliver more power?
The crank has to checked before it can be installed, it’s part of the assembly process. If you had a Honda repair manual, you would see it tell you how to do it. The power valves have to be plugged, its part of the assembly process. You can just shove them in, or you can grind them carefully in another cylinder (remember you can have no grinding marks in your stock cylinder), then install them in your stock cylinder. Both methods are legal, just one works much better. You can attach the stator in just any old postion or you can put it on the dyno and set the timing to a particular spec. Which do you think generates more power?
What you and many others are confusing all this with is stock moto with novice. Same mistake of Tag and novice. Thats a bunch of crap. What your saying is that the good driver has to spend a silly amount of money or he can’t race. We are tired of spending stupid amounts of money just to go a few ticks faster. For what, a plastic trophy? Do you really think Penske is going to give us a ride in an Atlantic car if we win a bunch of go kart races? Are you saying Greg has to race Pro or he can’t race? I can’t afford to put him in a $6,000 Swedetech Pavesi and feed the darn thing and new bottom end every other time out. Been there, done that.
NO. All classes should be open to any racer who builds a kart for that class unless its a designated novice class. Stock moto is a class that just makes sense for a lot of racers like us who a sick and tired of spending stupid amounts of money on engines to go only a .5 second faster. I can build a brand new stock moto engine to legal specs that will deliver 38hp for around $3,000 and the silly thing will flat run all year long with little or no maintenance. The Pro class should be worried about the stock class, a good driver in a stock package will give you fits on a techical track and spend a fraction of the money doing it.
We may put a ring in it half way through the season just to say we did something to it but it won’t really need it. And it should run within a 5. to 1 second of the best karts on most of the tracks around here. (very close at Action Karting and CRE, not so close at IMI) We can have fun with it all year and spend a fraction of what your average ICC guy will spend trying to stay in front of us.
Yes Marc, I have raced moto before, I have built motos, I have run them. I was building them and running them before you got your first kart. Sp please, dont accuse me of cheating, and don’t tell me I dont know what I’m talking about.
Marc
You have no idea what you are talking about. Its very simple. All you do is screw it together correctly(crank true), do a good job of fitting the power valve plugs( this is key) and make sure the timing is set (another key) and get the head volumn right. If you just bolt together a stocker, you get 34 to 35 hp. Spend a little time, use the right combination of pipe and silencer (you have a choice), you get 38. Go nuts with the porting and squish, you can get high 40s. Just because some guy did all that stuff and didn’t get that kind of power only means they didn’t know how to do it right, not that it can’t be done.
But don’t acuse some one of cheating before you know any facts. Or are you already trying to make your excuses when Greg starts bumping your rear bumper? Just kidding Marc! 😀
Bill, your class structure makes way too much sense! Simple, clear rules, a reasonable weight break for the motos, I can’t find a single reason not to adopt it.
I’m giving serious thought to puting together a stock moto package for Greg. I think we can get an honest 38hp out of one that will just last all year long and with a well set up kart, we could give many of the S1 karts a good run.
@Angie MacEwen wrote:
Out of curiosity, how long does it take most people to download that to view?
About 15 seconds, maybe less
It almost doesn’t mater anymore, the lastest move of the Grand Junction date now conflicts with another event we already have on our schedule and we will not be able to attend the first GJ race. We made plans based on the first set of dates posted. We were told they were final. Then they changed again, then again. Sorry, we had other things to do.
Zach
These guys are too kind. I should warn you about the girl friend stuff, though, Greg is back on the market after breaking up with his long time steady. Any time you see us at the track, come over and introduce yourself. We are easy to spot, we have Shockwave logos all over everything. We won’t be out to IMI much this year as we prefer to test at either Bandimere or CRE. (closer to home) If you have any questions at all, feel free to call me at the shop and I will give you the best answers I can. 303-781-7829
We kid him a bunch but Adrian is developing into a really nice kid. He was over to the house during hte holidays and I must say, he takes the ribbing very good naturedly. It’s great to see him doing so well.
Not so fast Curt, there was one kid locally who could keep up with him on occasion 😀
http://www.skusaonline.com/supernats00/feature_60.htm
Adrian ran 4 cycle flat heads before that.
Adrain has a Star Mazda and will be running that this coming year. Next year, they hope to Atlantic cars, they CART!
Finished 7th in class, 17th overall!!! Greg got a message late last night from Adrian, he was having a blast! No 5th gear, very impresive job.
Is there any thing to prevent combining senior and international into a single race group other than numbers? Does RMax require each class to run seperately? What about combining Mini and R Junior? That would speed things up a bit if they were on the track together. You could do staggered starts if it were a big concern.
Since it would just be Rotax guys, I don’t think it would be that many racers that you couldn’t combine them for a kart count reason. What do you think 30-40 racers total? 10 to 15 mini and junior and the balance adults?
