rear tube keeps popping


8 replies to this topic
  • rasta

Posted February 15, 2005 - 09:46 PM

#1

hello, yz 450 rear tube keeps ripping under valve stem nut, i used duct tape to wrap rim but still gets flat , also read in magizine that if you loosen the top nut half way on stem it helps, but still rips in same place, i only run heavy duty tubes, anybody have advice or hints that will help, thank you for your time, ---jah lives---

  • WRookie

Posted February 15, 2005 - 09:57 PM

#2

Try a new rim lock with your next tube.

  • sirthumpalot

Posted February 16, 2005 - 04:25 AM

#3

Agreed, also make sure your rim lock is tight.

  • rbm33

Posted February 16, 2005 - 05:52 AM

#4

2 rimlocks

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  • WRookie

Posted February 16, 2005 - 07:55 AM

#5

Do you use any baby powder in the wheel? It's suposed to let the tube shift around some without binding. Your rimlocks should be snug not super tight.

  • Jackazz

Posted February 16, 2005 - 08:05 AM

#6

Have you checked that there are no "burrs" or rough edges on the valve stem hole on the inside of the rim?

  • Yamaha600Racer

Posted February 16, 2005 - 08:18 AM

#7

Had the same problem with my 426... Every time I would go out to the track almost, I would come home with a flat. Mostly happened to me in the whoops, put a hd tube in and made sure there were not any rough edges in the rim and didn't have a problem after that... Make sure to check the inside of the tire for a sharp piece of something that could have made its way in there :) Good Luck :)

  • motomike137

Posted February 16, 2005 - 08:31 AM

#8

Also I would chuck the valve stem nut. If the tube/tire move on the rim then the stem can go along for the ride.

  • rasta

Posted February 16, 2005 - 11:39 AM

#9

thanks for all the help will try all of your tips ,





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