Author Topic: ball bearing power valve mod????  (Read 1584 times)

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Offline mr.5thou sand

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ball bearing power valve mod????
« on: May 28, 2009, 05:06:49 AM »
i ride a 00 kx 500 . the person i bought it off told me about a ball bearing mod and i was wondering if any one knows what im talking about. he said u put a ball bearing behind the rod on the exhaust valve keepin it from over turning the exhaust cam gear deals and obstructing optimum top end flow :?

Offline jfabmotorsports.com

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Re: ball bearing power valve mod????
« Reply #1 on: May 28, 2009, 05:15:01 AM »
http://www.kxriders.com/forums/index.php/topic,1367.0.html

You may not be able to see this yet, being a newbe. Contact Stewart and tell him you need a KIPPS bolt. Lose the ball bearing idea forever.

JFAB
Don't just float through life, make waves!

Offline mr.5thou sand

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Re: ball bearing power valve mod????
« Reply #2 on: May 28, 2009, 09:59:22 AM »
im good with that but at least you knew what i was talking about

Offline jfabmotorsports.com

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Re: ball bearing power valve mod????
« Reply #3 on: May 28, 2009, 10:01:33 AM »
Age old trick. Works well but too many parts to keep track of. And, you will never find the right size ball anyway.
Don't just float through life, make waves!

Offline Hillclimb#42

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  • '97 kx 500, '96 kx 250, '99 KTM 380
Re: ball bearing power valve mod????
« Reply #4 on: May 28, 2009, 11:07:51 AM »
search option up top, search for "bolt-mod" and you will know what you're buddy is talking about too.