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Old 05-25-2005 | 06:46 PM
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MinnFlyer
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From: Willmar, MN
Default RE: First Four Stroke

I know that OS recommends that you do NOT use a hight oil content in their 4-strokes - 16 to 18%

Not sure about Magnum

I use Cool Power 15% in all my engines (OS, Saito, and if I had a Magnum, I'd run it in that too)