What is Volvo Penta oil? According to someone who appears to be in the know, it's Mobil 1 15w-50 in Europe, and plain 30w synthetic in the US. Fortunately, Mobil 1 15w-50 is available at any Walmart.
Check out the original posts by "wingnut" at: http://forum.chaparralboats.com/index.p ... opic=17971
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