2000 Yamaha V-Star Mobil Delvac 15w40 @ 3000 miles

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Blackstone: Another year has come and gone, and it looks like your wear metals haven't hanged much, if at all, in that time. We're certainly not seeing any signs of trouble here, and consistent wear readings across multiple samples is a good sign that the internal parts of this engine are doing well. The oil itself looked good physically, with no fuel or moisture present in used oil and a normal viscosity for a 25w40 oil. Low insolubles show excellent oil filtration and no combustion issues. you could run longer on the oil, but why ruin a good thing? Keep up the good work! Aluminim 11 Chromium 1 Iron 27 Copper 3 Lead 2 Tin 3 Molybdenum 43 Nickel 09 Manganese 1 Silver 0 Titanium 0 Potassium 3 Boron 44 Silicon 13 Sodium 6 Calcium 1597 Magnesium 747 Phosphoruws 824 Zinc 992 Barium 0 SUS Viscosity 73,1 cSt Viscosity 13.77 Fuel % <0.5
 
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Good job...My 2008 Suzuki DL1000 loves the 15w40 Rotella. The HDEO oils are popular on the Suzuki forums as well.
 
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