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ReedRulz

Royal Purple or Amsoil

5 posts in this topic

Im using Amsoil in my 2007 YZ450 now does anyone have an opinion on wich is the better oil between Amsoil and Royal Puple?

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I woulnt run a full synthetic in the first place in any "race style bike" it cuts down on the cluch life and people think it lasts sooooo much longer.. wrong

best of with a blend for the best of both worlds and its cheeper so you change it more. and thats the bigest factor in the life of the engein. I run blend in the 450wr, 450yz, R6, only in my 450 kodiak 4x4 do i run full synthic Amsoil

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All good premium oils contain molybdenum. Moly in and of itself is not a problem. There are dozens of moly compounds used as boundary lubricants ("anti-wear" compounds) in oils meeting JASO MA wet clutch compatibility standards. Only oils labeled JASO MB or API ECII present a potential hazard.

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