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MX | Off-Road Gear Info & Reviews
Castor Vs. Synthetic vs. partially synthetic
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[QUOTE="FMX_novice, post: 150366, member: 21243"] 1995 cr125 Ive been running Bel-Ray H1R fully synthetic mix oil at 40:1 in my 93 octane mobil gas. And my bike has always run rich and the powervalve would not operate correctly within the first 8 minutes or so of riding my bike. I was desperate to stop this because i was running a lean ratio of oil, still rich and still having powervalve problemos. I talked to the guy the cycle shop i go to and he suggested running Maximas Castor 927 in any bike older then 1999 Castor 927 is natural oil with special synthetic additives in it. It says on the box that it stops spark plug fouling, carbon formation, and engine wear. I noticed that the Castor 927 had a strong smell that is what most people think of when they hear oil, and it was thinner then the almost neutral smelling, thick H1R. Will this stuff actually solve my sticky powervalve problems and why does synthetic stuff not work as well in older bikes? [/QUOTE]
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MX | Off-Road Gear Info & Reviews
Castor Vs. Synthetic vs. partially synthetic
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