Fox Valley Kart

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@rhondamims-brown Ай бұрын

Nice video John, my son is showing an interest in karting and I was recently trying to explain the centrifugal clutch to him. This should do the job as he's a visual learner.

@user-ii5wo3im1u 2 ай бұрын

How do I get that the left and right on the coast on how do I get that nut cuz I need one to hold my clutch on

@user-ii5wo3im1u 2 ай бұрын

I need a bolt for 85 road tax that was my clutch

@catalinnicolaevici2061 2 ай бұрын

What do you guys charge for that type of clutch system its what i want and need for the type of go cart frame to run better and from what i hear it keeps unnecessary heat from the engine to the clutch. Also i just noticed that you guys are in Indiana and its where i just bought my 2 go cart kt100s i i have a feeling they might have seen your shop i noticed everything your talking about the blueprinting has been done to these kt100s and apparently the guy i got it from his dad used to race them 10 years ago. He said something about his dad having 2 of theses suckers on one go cart 😂

@foxvalleykart2743 2 ай бұрын

Which clutch system are you referring to?

@catalinnicolaevici2061 2 ай бұрын

@@foxvalleykart2743 the Buller jackshaft for the kt100 I have 2 kt100 engines I like the idea to go from belt to chain.

@foxvalleykart2743 2 ай бұрын

What you need is to plant the right rear and, unless you get power to that wheel it’s not going to happen. What you need is a live axle kart.

@TheBen003 2 ай бұрын

We race left rear Drive carts on dirt and a circle track this is only one wheel drive making right turns. Do you have any videos that can help me with set up my cart tends to want to roll over or turnover.

@foxvalleykart2743 2 ай бұрын

Not sure what you are saying when you say the kart wants to “rollover or turn over”. Do you mean that literally?

@TheBen003 2 ай бұрын

@@foxvalleykart2743 yes I mean that literally I go in the turn so fast that it lifts the right side but what I’m looking for is the cart to plant itself and drive around the turn without sliding or losing traction

@FrankRommerts-dr4yp 2 ай бұрын

16-17 hp out of a 100cc is not much considering the fact that you make 14k rpm, most European engines produce around 28 hp.

@foxvalleykart2743 2 ай бұрын

These Yamahas are piston-ported engines and do not produce the same hp as reed valve or rotary valve engines. Secondly, I have Dyno’d hundreds of engines of all types and our eddy-current Dyno is calibrated to NBS standards. I am absolutely confident that our numbers are correct. I see some engine builders who say their Yamahas produce 25-28 hp and some people are gullible enough to believe that. Made up or manipulated numbers are just that; made up or manipulated. Thanks for watching.

@foxvalleykart2743 2 ай бұрын

@FrankRommerts-dr4yp 2 ай бұрын

I’m absolutely not saying that you are lying, or doubting your numbers, but I know for sure that there are engines of the same displacement and doing the same rpm’s that crank out at least 50% more HP from a piston port engine, I don’t know what timing regulations and port width you are limited to, but I see so much more potential HP’s if you could use the full timing and port width potential, imagine what you could do on a reed valve or rotary valve induction system.

@ellgwapo.1754 2 ай бұрын

Good! Man.

@harleylif1929 4 ай бұрын

We have a team that runs road course racing. Long tracks. I keep hearing people say you will go faster running a 16- 80 gear or 5 to 1 ratio instead or running a 13 -65 gear or 5 to 1ratio. I believe with the 16-80 gear you are moving more chain but I have been told that running both bigger gear makes more torque with the same ratio. I believe torque from gears that are the same ratio is the same as long as you are only using two gears to get your ratio. Am I wrong?

@Ice-dp6qk 4 ай бұрын

Great video, easy to understand, thank you.

@jonguillory6731 5 ай бұрын

Do I need a new carb if the gas is not traveling from the tank to the carb?

@foxvalleykart670 5 ай бұрын

Probably not. Maybe just a rebuild, but check to make sure you have the pulse tube connected properly.

@karter111 6 ай бұрын

Well done my friend.

@anefi-uq5fd 6 ай бұрын

Great thank you

@d4nr055 7 ай бұрын

I just purchased a Demon XP kart with a KT100S engine, your videos are incredibly informative for someone like myself who has zero experience at all in karting. Thankyou! Ill be watching all of them.

@kerrykelaher2607 7 ай бұрын

" poor mans " parrilla !" Laugh 😃 😀 😄 😁 🤣

@mickeynismocat 8 ай бұрын

Thanks for the tips! G'day from Australia!

@TheFoyer13 11 ай бұрын

It should be noted these carb settings would be for a pipe and not a can

@TheFoyer13 11 ай бұрын

L&T clutch, nice

@TheFoyer13 11 ай бұрын

I still run a kt-100 it's a dying class sadly. Very cool video. My mentor said exactly all these things. But he never had a engine cut in half to actually visualize it.

@kevintheblacksmith Жыл бұрын

This is a great video

@iventgaraj6240 Жыл бұрын

❤❤

@jaesteve17 Жыл бұрын

Great info. Thank you!

@easyweaver9691 Жыл бұрын

A true perfectionist

@gagerollins5810 Жыл бұрын

Thank you so much for this video! It gave me all of the info that I need

@russjamison9041 Жыл бұрын

Why don't you talk about pop off pressures and procedures that are actual worth watching. This is like every other video that explains nothing. No wonder you get very little views. Get into the technical and your channel will grow. Unless you don't know?

@TheFoyer13 11 ай бұрын

You got questions about that?

@kevingonzalez1092 Жыл бұрын

Hey John, I just purchased a grand prix gokart with a KT100 engine. I'm having trouble. With the throttle. the guy I bought it from says that the clutch is set for somebody that weighs 180 pound. I'm 140 pounds so he said it would need to be adjusted..

@foxvalleykart670 Жыл бұрын

Kevin, I'll be happy to talk with you about this, and any other questions you might have. I'm tied up today, but any evening next week would work. Why don't you email me at [email protected] and we'll set it up.

@kevingonzalez1092 Жыл бұрын

Hello just purchased my first gokart. It's a grand prix chassis with a KT100 engine. I have a few questions if you can spare some time please.

@mitchelloh3840 Жыл бұрын

John is generally always happy to help. If you want to ask him about your kart just stop by the shop or give him a call. Phone number is a available online.

@nedshaneberger9533 Жыл бұрын

I do not see a flywheel on this engine. Am I missing something?

@foxvalleykart670 Жыл бұрын

The flywheel is the ignition rotor on the opposite side of the engine.

@aralsea1 Жыл бұрын

Is it still within regulation specs for racing?

@foxvalleykart670 Жыл бұрын

Yes, of course.

@KrustyKlown Жыл бұрын

My Experience: NEVER USE a woodruff key on a tapered crank PTO .. just lap it in really good, then torque it to spec, FULLY. The key only provide alignment, it does not increase the holding power of the taper lock. If your clutch spins loose, if a woodruff key is present, it may chip, crack or break off your crankshaft end!!! NEVER use those keys!!!

@malcrandall1309 Жыл бұрын

As a none kart racer but a avid 2 stroke fan I'm amazed at the reliability of 100cc A/C engines and the revs they achieved. Could some one give me a idea of what the equivalent jet size would be if running a conventional carb to size ratio. Also any idea's on what the crank balance ratio would be, is vibration a problem?

@thematronsmilitia Жыл бұрын

Have you ever seen a variable length pipe? One that nests, and can be shortened by ear as rpm goes up? I'd like to build a 2 stroke motorized bike that can maintain minimum highway speeds for hours. Would water cooling be necessary to run high rpms for hours on end?

@foxvalleykart670 Жыл бұрын

Yes, I'm familiar with adjustable-length pipes. We've used them for years on road-race karts. They are typically controlled by a hand-lever activated cable. As for running at highway speeds for hours, consistent cooling will be required, but can be accomplished with air cooling to avoid all the extra complexity of water cooling. It will be important, however, for the rider to be able to monitor the engine temperature and adjust the carb mixture to avoid overheating.

@dbow1313 Жыл бұрын

This is so good. We are about to start our second season and I wish I had found your video months ago!!!

@WhiteJawz1 Жыл бұрын

Great video, knowledge is unreal Thanks!! Would enjoy more detailed videos on pipes and everything else 2 stroke!

@rcclassiccrawlers4368 Жыл бұрын

I stumbled upon your channel a few weeks ago and decided to check it out. I’ve been finding out some interesting info. I didn’t know what kind of power plants you guys run on those racing karts until recently. The carb you’re talking about now reminds me of those old school Tillotson carbs we used to run on our snowmobiles back in the seventy’s. Kind of triggered a few memories…lol. Very cool and informative videos. I recently subscribed to check out more videos/info. Keep up the great work!

@alvintarrer6914 Жыл бұрын

Good job,make it understandable 👍

@HopeIsAlliGot Жыл бұрын

I wish I could learn personally from this young man..... I heartly appriciate your efforts for sharing this knowledge on KZbin 😀.....

@asifsattaur8993 Жыл бұрын

Awesome video. I especially like the ask of how to make your videos better.

@mehnazmehreen8122 Жыл бұрын

Sir, is this a shifter kart? If it's not, then what's the clutch used for, if there are no gears to shift?

@kennyskomputers1009 Жыл бұрын

Basically the clutch goes onto the jackshaft (I believe that’s the name) and that shaft is always spinning. The clutch basically only engages once the motor reaches a certain rpm automatically which makes spins the whole assembly causing the chain to start moving and powering the rear end. I probably did a horrible job explaining that, but I tried. If you still want to find out you should call John at Fox Valley Kart. He can explain it wayyyy better than I can.

@mehnazmehreen8122 Жыл бұрын

Sir, is this a shifter kart? If it's not, then what's the clutch used for, if there are no gears to shift?

@KrustyKlown Жыл бұрын

It's a kart racing clutch for non-gearbox classes (almost all kart racing classes),, it slips, allowing the engine to run at it's torque peak, until the clutch locks up. For most kart racing 2-stroke engines, that slip speed can be 9,000 to 11,000rpm.

@vincentlamaro8539 Жыл бұрын

This is such a huge help! thanks

@strhhswgter 2 жыл бұрын

Awesome video! Is it fair to say that a taller driver may need a wider rear tire set up?

@flyboyfs 2 жыл бұрын

Nice work, can you provide con rod measurings? I believe it's has 20mm crank pin and uses 14mm piston pin, it's 100mm long, but I don't know the width on base on bearings ends