Maintenance & Technical > KX500 Original

Tire Options???

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KXRobert:
I currently have a MT-44 Pirelli 130/80 19 on the rear of my '89 KX and the center bars are getting pretty worn from my asphault riding occasionally.  The outside tread is pretty decent, but the center is worn a good 40% from new.  I bought the bike with this tire on it, so I don't know how other tires perform.  I ride in FL, where it's mostly sandy, and I HATE riding in the sand, so the ultimate soft terrain sand/mud tire is what I need.  Does anyone have an opinion on a different tire?  The new Dunlop 773 (I think that's the number) looks pretty decent.  Also, what size should I run?  Finding a 130/80 19 is virutally impossible.  Would the 120/90 19 work well?  Also, how easy is it to install the new tire myself?  Thanks for any suggestions/help.

Hogwylde:
I've currently got a Michelin S-12 on mine in 130/80-19.  So far, I LOVE this tire.  It still has sharp edges after running the Ironman GNCC, a weeks worth of riding harescrambles and track riding at Cooperland raceway, and several weekends on my practice track.  The S-12 is supposed to be there soft terrain tire also.  Seems to be holding up well to rocks and roots and central Indiana hard clay too.

From what I've heard, 120's are the largest standard tire you can get.  Michelin apparently sizes there tires a little differently.  There 140/80-18 being the same as Dunlop and others 120 sizes.   130's = 110's, etc.

Paul:
I can vouch for the Michelin. Though I run an M12 (130/80X18 - best thing I ever did, drop the 19) out in the desert. There is a true 140 and it's made by IRC - I think thats who makes it. A buddie runs them on his CR500 and they are HUGE. They look like a car tire.

Hogwylde:

--- Quote from: KX500 ---There is a true 140 and it's made by IRC...
--- End quote ---


Would that be the M5B??  I've seen one of those and yes, they are huge!

I'm having a 2.5MT rim laced to a spare rear hub I have and I'm debating between the 140-18 IRC M5B and the 140-18 Michelin S-12.  How does that IRC hold up?

Paul:
Thats the tire! He really likes it, I haven't run one because I'm happy with the M12 all the way around but it seems to last as long as my M12 does.

--- Quote from: Hogwylde ---
--- Quote from: KX500 ---There is a true 140 and it's made by IRC...
--- End quote ---


Would that be the M5B??  I've seen one of those and yes, they are huge!

I'm having a 2.5MT rim laced to a spare rear hub I have and I'm debating between the 140-18 IRC M5B and the 140-18 Michelin S-12.  How does that IRC hold up?
--- End quote ---

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