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Reveeen
10-07-2009, 10:56 AM
I did a Google search and came up with this:

http://forums.13x.com/showthread.php?t=191784

*On the rear, lots of options, Dunlop TT91 or TT92 in 100/90R12 or 120/80R12. If you're bike is fairly stock, no bore kits or anything, go with the 100/90R12. It's a 'front' tire, just mount it backwards and you'll be fine. You'll only need the extra weight and contact patch of the 120/80R12 if you've got a BUILT motor. You'll likely also run into rubbing problems with the brake stay arm, so be prepared to hammer it out of the way.

Bridgestone makes comparable tires under the BT601 label. They've been somewhat hard to get lately though.

IRC's entry is the MB38, again, available in the same sizes as the TT91 / TT92s.

Up front, your best bet is a Michelin Pilot Sport SC 120/70R14. Goofy profile, PITA to mount, but stock KLX forks prevent you from running the other common 14" front, a Pirelli SL26. For some reason, this tire is horrid on CRF70s, but it just works on KLX110s, I have yet to figure that one out.*

All fine and dandy, but I kinda live in the weeds. So, I found a spanking new TT90 in the 120/80/12 size (for the rear) for $20 locally, but I was left scratching my head for a front, a 14" front. I snagged a Kenda, a K433F in the 120/70/14 size.

http://www.kendausa.com/motorcycle/scooter.html

It fits, an absolute bitch to mount, but it fits.

Weldangrind
10-07-2009, 11:20 AM
Are you saying that you've already mounted these tires?

Reveeen
10-07-2009, 11:52 AM
Yes.
The front one was quite a "squeeze", and I was kinda worried, as a 120 series tire is over 5" wide "raw" (there is only maybe 4 1/2" between the fork tubes If I'm generous), mounted I'm a hair over 4" wide. There are no other narrower available tires in 14", unless you count a IRC "thing", that I can't get here, and looks like it was meant for a moped.
The rear 120 just clears the chain, mounted, and wasn't so hard to mount, as the rim is wider. Now is a good time to either buy, or make, some decent axle adjusters, as the ones supplied are just junk.
Princess Auto has some tire irons that are 1/2 ways decent, and cheap ($2), keeping firmly in mind you WILL need 3 of them, and 4 hands.

Probably the "wisest" move is to use a 12" rim on the front, and the pair of Dunlops, but no one can truthfully accuse me of being "wise".