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When using this name brand stuff do you guys still have to run carbon gaurd??
I have a older Yamaha and use Penzoil TCW3, but then I add carbon gaurd every other tank. And that stuff is not to cheap eaither.
So If I switched to a better oil do I have to still use it??
I have been thinking of switching oils but not sure? I some times see the Mercury oil on sale and was wondering how it would work in a Yamaha?? Yamaha Lube never goes on sale!!
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