2002 YZ426 Question.....

5 replies to this topic
  • VXyamahaYZ125

Posted April 07, 2007 - 05:35 PM


Today i was riding my '02 YZ426 and when i was in fifth gear it started surging, kinda like the clutch was slipping...first through fourth were fine...any ideas?????

  • grayracer513

Posted April 07, 2007 - 07:24 PM


Does the surge occur under a load, and get worse the heavier the load is? And it only happens in 5th, yes?

  • VXyamahaYZ125

Posted April 08, 2007 - 08:38 AM


Yeah the surge is more noticeable with a heavier load and yes it only happens in 5th gear

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  • grayracer513

Posted April 08, 2007 - 08:41 AM


The locking lugs that hold 5th gear engaged (I believe it's the 3rd speed gear that does this) are worn, and the gears are slipping out, and then slamming back together under a load. This will also damage the shift fork when it happens. Minimum two gears and a shift fork.

  • VXyamahaYZ125

Posted April 08, 2007 - 08:47 AM


Thanx for the help man..much appreciated:thumbsup:

  • VXyamahaYZ125

Posted April 08, 2007 - 08:52 AM


Will riding without using fifth mess anything up?

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