New guy with kt100 clutch question

[Bahamut]

Hello. I'm just getting into karting and from what I've read, kt100 engines came with centrifugal clutches. The clutches on both of my karts seem locked.

My question is, where can I buy a stock centrifugal clutch? I've googled a bit and can't find anything really. It's just going on a stock kt100.

Might as well ask now, for the kart I'll be using next year, what's a decent clutch to run on track?

Thanks in advance for any help.

(Pic is of my kart I'm tearing down and rebuilding for next year)

[EVO]

thats a yamaha KT100S with a CAN and wet clutch.  to be competitive you should get a Hortsman HDC-5B dry clutch
If you race you will have to inspect the discs after ever race day.  A wet clutch like the one you have on in the picture is good for longevity, it will go half a season without issue but it will be slower due to the resitance of the liquid in the clutch and the greater mass and diameter   

[CaseyGraves]

Yea a dry clutch is definitely what you want, the Hortsman is good and the 3 disk Patriot is also another good choice. If you are planning to stick with a can then either a 2 or 3 disk will be more than good and you won't see too much wear, we normally change our discs about every 6-8 races for club racing. Also you want the clutch engaging around 8600 rpm

http://www.cometkartsales.com/store/clutches/clutches.htm

There is where you can get both of those mentioned clutches along with any part you could desire for your kart