'02 426

7 replies to this topic
  • lco

Posted February 04, 2002 - 07:29 PM


Going through the end of 10 hour break and noticed a slight ping or high pitched rattle when accelerating at low rpm only. Any Ideas?

  • zx7king

Posted February 04, 2002 - 11:38 PM


Sounds like you have the swingarm slider loose as described on Motoman393's website. I had the same rattle and fixed it as he described here: http://www.mx393.cjb.net Go to tech articles and you will see it near the bottom. I used a strip of weather stripping for mine. Worked fine.

-- Charles

[ February 05, 2002: Message edited by: Steve Claus ]

  • zx7king

Posted February 04, 2002 - 11:39 PM


sorry, i screwed up the url, try this:

swingarm fix

-- Charles

  • lco

Posted February 05, 2002 - 05:38 PM


Ahh yes, sure enough, the chain guide seems to be the culprit. Curious as to why it happens to some bikes and not others.

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  • motoman393

Posted February 05, 2002 - 06:00 PM


Who knows...but you better fix it before your swingarm gets wear on it! This would be the first thing I would do to a new bike, other than grease the linkage and steering stem! Later,


  • lco

Posted February 05, 2002 - 07:31 PM


Shouldn't Yamaha cover this fix under the warranty? Wonder if a larger washer would fix the problem.

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  • JT1

Posted February 06, 2002 - 06:45 AM



How did you get the foam to stay in place on the swingarm fix? I used silicone and after one ride it had moved and was coming off. I was anxious to ride and only let it cure for around 2 hours (maybe this was the problem). Have you had to redo yours????

Also, I made your pilot screw adjuster and it works great......thx.


02' 426
Twin walls
Motomans pilot adj.
2 crashes.....3 rides :)

  • zx7king

Posted February 06, 2002 - 08:13 AM



I used self-adheasive weather stripping and it has stayed ever since. Just stuck it to the swingarm.

-- charles

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