How do you drain the lower unit on a boat motor?

Locate your drain/fill plug screw and adjust the trim/tilt of your outboard motor or sterndrive so that this plug is in the lowest position possible in order to drain the used oil thoroughly. Use your large screwdriver to remove the lower drain plug screw.Click to see full answer. Subsequently, one may also ask, what is…

Locate your drain/fill plug screw and adjust the trim/tilt of your outboard motor or sterndrive so that this plug is in the lowest position possible in order to drain the used oil thoroughly. Use your large screwdriver to remove the lower drain plug screw.Click to see full answer. Subsequently, one may also ask, what is the lower unit on a boat motor?There are two shafts in a lower unit. The drive shaft runs from the bottom of the crankshaft to the lower unit. The prop shafts bend when impacted with the bottom is great enough. Once the shaft is bent, the shaft and prop vibrate because the prop is not turning in a perfect circle.Beside above, why is my lower unit oil milky? Milky oil means water has gotten into the lower unit. It is usually a bad propshaft seal, rather than a waterpump seal. But it is a job for your local shop. They’ll replace the seals and pressure check the lower unit. Similarly, do outboard motors need winterized? Four-stroke outboards have a plastic air intake that you spray the fogging oil into. Fuel stabilizer in a size to treat your fuel tanks. Fogging oil in a spray can. Get the kind with a maintenance valve fitting if you have a Johnson or Evinrude outboard, 1990 and newer, with a maintenance valve.Can I use regular gear oil in my lower unit?Yes. You may. There is no magic to lower unit lube. I ve used the OMC, Amsoil, and Schaeffer 267 gear lube on my Volvo Penta.

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