KX Riders
Maintenance & Technical => KX500 Original => Topic started by: hughes on June 15, 2005, 10:14:26 AM
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Hey guy's. Got the 500 back out today for about hour 1/2 ride and I noticed that the back end seems to fish tail as I'm ripping the gear box most 2nd and 3rd. I bought a 110 rear first mistake. it's a maxxis IT. The land has about 1 inch of loom before you hit hard pack. I think this is what caused me to hit the ground yesterday when the back tire fell into a rut I was running along side of. Would a 120 rear help :?: I like the maxxis tire I can not wear this tire out. Would set up have anything to do with it :?: Not sure if I want a flywheel weight for an 87 they only make a 16oz. All suspension bearings are new. Help Help Help.
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Improper sag setting will hurt traction, the Maxxis I/T is a good tire, not great. I ran the Maxxis and hated it until I got the airpressure down to ~ 11psi. You'll get better bite with a Michellin M12 and almost the same lifespan.
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I got the sag set but need to check one more time. I have been running 14 psi I am going to lower it for next ride.
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Hughes,
On other bikes I ran 10PSI. I find my KX rims are too soft to run anything less than 14 without denting the rims badly. If you are fishtailing, the Maxxis IT may not be the right tire for your type of dirt. The 120 will help but is only marginally bigger so is not the entire answer. Throttle control too. Hope this helps. Cam.
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You guys don't still have the 19" rear do you? I run a 120/100X18 ~ 11PSI and I don't dent my rims at all.
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I'm running 18 rear wheel. These rims on my 87 are very heavy without tire and tube. I think my older rims maybe a little more heavy duty then the new ones. I will play with tire psi this weekend. A lot of my time is spent in grass tracks. My local track has miles of grass before you hit the woods. Is there any tire that likes grass. The grass lanes are bush hogged and that leaves a thick layer of copped grass on top. Makes thing slick.
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Yep. The maxxis IT are gone after I wear them out. My dirt is more hard packed. I tried 11 psi things are alittle better but it still does hold that good on flat turns. Steve Hatch runs Kenda carlsbad tires every where he races. Anybody tried these :?:
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I've run those as well, just buy an S12 for the front and an M12 for the rear and you'll be much happier. No way your ground is harder than what I ride on here in Patagonia, AZ.
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I have been running the same tire pressure for years in the desert sands in El Paso! I run 6 in the rear and 9 in the front! Really easy to remembers! I wish I had another 18 inch rear, because would run Cheng Shin 560X18 like I had on my YZ490. May be one of these days I will find another 18 inch rear wheel on E-Bay. I like a narrow soft terrain tire in the front, not sure what I am running right now!
Alan :)