What oil goes in an outboard lower unit?
You can use any brand of lubricant that has a grade designation of API GL5 SAE 80 or 90 weight. Make sure you do not mix different oil brands or weights. into the BOTTOM drain hole. Then slowly squeeze the bottle to force the oil into the lower unit.
What kind of oil does a Yamaha 150 lower unit take?
Use a quality, marine-based formula, like Yamalube® Marine Gearcase Lube. It can perform all of these required protection and lubrication duties, even with a full 10% of water present.
What kind of oil does a Mercruiser 5.7 take?
There are a few motor oil viscosity options for Mercruiser/GM 350ci/5.7L engines. The 10W-30 grade seems to be the most popular choice for these engines. Others opt for 10W-40 or Mercury’s 25W-40.
How to change Yamaha lower unit oil?
A large,straight-blade screwdriver for the lower unit drain and vent plug screws
Which gear oil is best?
STP 80W90 Conventional Gear Oil 1 Quart
Can I Fill my lower unit from the top?
Most lower units are filled from the bottom. The one exception is a Cobra lower unit, which we will discuss later. Fill from the bottom hole until lower unit oil flows from the the top hole. Put the top screw in. Then put the bottom screw in. After initial run top off thru the upper hole.
How to change outboard motor gearbox oil Yamaha?
New lower unit oil