royal purple

3 replies to this topic
  • nimiz1

Posted August 12, 2005 - 02:27 AM


is anyone uses the royal purple max-cycle synthetic oil
is it good for my wr-400.

  • farkawi

Posted August 12, 2005 - 08:00 AM


I'm using the 20-50 stuff in my 05 WR450. The dealer that I bought the bike from was really high on the stuff after dyno testing a bunch of synthetics.

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  • woody1

Posted August 27, 2005 - 05:02 PM


I use the Royal Purple Racing 51 in my 2000 Wr 4000 from day one.... Engine is still original and I run it hard and fast. Racing 51 is a 20w 50 viscosity. RP is one of the best Synthetics out there....

  • dman450f

Posted August 27, 2005 - 05:10 PM


are you guys running full syn or a blend, my mech says a full syn can experience run off " oil doesnt stick to vital parts if bike sits too long " ...??? :D


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