clutch fade

3 replies to this topic
  • lumpy790

Posted June 05, 2011 - 08:27 AM


Have any of you drilled the stock clutch basket to increase oil flow to reduce clutch fade?

  • yz450fcranker

Posted June 05, 2011 - 08:40 AM


who drilled his maybe a full machining is better than holes

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  • lumpy790

Posted June 05, 2011 - 08:59 AM


Aftermarket baskets I have seen have oil holes drilled into them to increase oil flow threw the basket and cool the plates = less fade

  • grayracer513

Posted June 05, 2011 - 11:05 AM


Oil doesn't enter the clutch from outside the basket, it comes from the center of the main shaft. Drilling holes in the boss was done on the earliest YZF's in order to better distribute oil among the plates, but after about '01 or so, all of the OEM bosses came drilled from the factory.

Drilling the basket won't really contribute to better plate oiling in any way. It would change the path the oil takes to escape the fingers, but not in any way that I can see helping fade.

The best cure for fade in an '07 or later is to convert to an '06 clutch:

  • One extra friction plate
  • 8 '06 steels
  • '06 pressure plate and springs
  • '06 release arm

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