I noticed on my yanmar 2qm15 not only there is an engine oil fill there is also an oil fill in the rear by the shaft. My question is how often should this oil be checked or changed? I have changed my engine oil twice but never done anything with this. I also wonder what type of oil is used here, for example should it be the same oil as what is used in the engine fill?
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sailguy40
when you say by the shaft, are you talking about mounted on the engine or toward the back where the shaft exits the boat?
If engine mounted, that could be the transmission. Oil type should be printed on a metal plate on the side of which type of oil to use.
If it's where the shaft exits, I'm thinking a drip-less unit that replaced the standard stuffing box. I've seen some use oil or water injection to keep the area lubricated.
If not either of these, maybe posting a picture of what you're seeing may help.
If engine mounted, that could be the transmission. Oil type should be printed on a metal plate on the side of which type of oil to use.
If it's where the shaft exits, I'm thinking a drip-less unit that replaced the standard stuffing box. I've seen some use oil or water injection to keep the area lubricated.
If not either of these, maybe posting a picture of what you're seeing may help.
My pic won't attach but yes it is engine mounted and it's an oil fill. I will have to look I think it does have a plate on it
Most likely the transmission. Check the engine manual for what oil is used. It's typically the same as the engine oil or ATF.
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