Finally located a VOA from 2021 for Yamalube 4W mineral 10w40 - this is the oil that Yamaha recommends for their skis and boats. I thought maybe it was like their synthetic outboard FC-W rated oil with a big shot of moly or something special, but nope - nothing special here. I think I'll be switching to synthetic.
VOA Yamalube 4W 10w40
- Thread starter Compatico
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