Yoshi Pipe on WR426?

3 replies to this topic
  • NewBlue

Posted February 18, 2005 - 08:13 AM


Does anyone here run the Yoshi slip-on or complete system? Is it worth the $$$? Secondly, after I drained the break in oil, the stuff looked almoist gray. Is that normal? Thanks in Advance

  • Indy_WR450

Posted February 18, 2005 - 09:10 AM


Dark gray/ brown is normal. Black is to rich and Gray is to lean. You may want to rejet to eliminate the lean spot. :)

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  • NewBlue

Posted February 18, 2005 - 12:14 PM


Thanks Indy. This was the first oil change, does that make a difference?

  • Indy_WR450

Posted February 18, 2005 - 12:26 PM


No matter if it is the first oil change or type of oil it should make no difference. The exhaust color will be set by the combustion fuel/air ratio for the most part.


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