Maintenance & Technical > KX500 Original

1990 pro circuit pipe?

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Fookeneh:
So you squeezed some silicone in the bar ends and put some nice grips on ,and that made a big difference ?  I'm using jimmy button hi-boy bars as I am 6'5".MAN those suckers are strong bars,I looped out in 3rd doing a stand-up wheelie and they didn't bend.The silencer and fender bit it though.Sprained both my knees too :?  
  I already had to weld on a new bracket on the lower pipe mount near the exhaust port.I will check the rest of the exhaust. If I find that my cases are elongated from bearing wear I guess the motor would be done :(   I will try all the other stuff and save the engine tear down for the off season. :D

mikesmith:
The list above is a good place to start,but I want to suggest new o-rings and high temp silicone on the head of the pipe.Take the tank off and look for a broken pipe mount on the frame.You can also shim the motor mounts if there not fitting right,no gaps.I filled my Pro-Tapers with expanding foam,but silicone would work as metioned and my bike has never vibrated that bad since it was new so silicone may be a better thing for you.It doesnt sound like you ride WFO,so its likely one of the things above that are simple fixes or the harder one to fix..the crank.

Fookeneh:
Thanks ,I will take a look at all those items. I forgot how much fiddling dirt bikes need. Oh well ,it's all good. 8)

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