Can the Seadoo OEM synthetic blend be mixed with standard off the shelf Castrol 10W-40? The Castrol oil meets all of the specifications that the owners manual and service manual list out but is way cheaper. If I use the oem in one engine and later switch to the Castrol, will there be a problem with mixing oils? Especially since when an oil change is done, you can't remove all of the oil from the engine.
4 Stroke Oil Types
- Thread starter enut
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rcguy
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Bret of Jet Trendz recommended that I use Castrol 4T 10W-40 motorcycle oil for my Rotax supercharged engine. I followed his recommendation and for the past three years and never had a problem with that motor oil. Not to mention that I saved more than a few bucks over the SeaDoo brand.
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