Yz400f oil additives

1 reply to this topic
  • Goonyz400f

Posted July 06, 2015 - 11:15 PM


Can I add oil additives to a yz400f or will it be bad for it

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  • grayracer513

Posted July 07, 2015 - 06:10 AM


No.  Good, top tier oils don't need any, for one thing, and for another, most of them do more bad stuff than good.  A lot of them are metallic (metals like calcium) and that can end up embedded in the carbon on the piston crown, which can produce "hot spots" that can pre-ignite the fuel.  Any kind of friction reducers have the potential to cause clutch problems.


Just don't.

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