Engine Oil Specs??

1 reply to this topic
  • Paul_Mooney

Posted July 11, 2000 - 04:17 PM


Could someone enlighten me on the meaning of the oil specs that say "meets or exceeds API Specs SH/CD"
I am particularly interest in what the SH and CD stand for.
Also why does Yamaha recommend NOT using an oil with the CD designation??????
Any info greatly appreciated..

Paul '99WR400

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  • Rich_Rohrich

Posted July 11, 2000 - 06:37 PM


Here's some info from the American Petroleum Institute
http://www.api.org/p...ty/oilchart.htm http://www.api.org/p...ty/oilguide.pdf



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