I have a Yamaha T-60 outboard 4-cycle and was able to get Pennzoil 10w-30 marine premium outboard oil locally until this year, it's no where to be found. Buying online is very expensive at ~ $15 per qt plus shipping. Yamalube marine is also expensive and hard to get locally. The manual recommends Yamalube 4m fc-w but also states "or 4-stroke motor oil with a combination of the following SAE and API oil classification: Engine oil type SAE:10W-30 or 10W-40. Engine oil grade API: SE, SF, SG, SH, SJ, SL.
So do I need oil classified as "Marine oil"?
So do I need oil classified as "Marine oil"?
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