What kind of oil goes in a Johnson 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.

Can you use 80w 90 on a lower unit?

SHIPMATE Hi-Viscosity 80W90 PLUS Lower Unit Gear Lube is formulated specifically for marine applications, and is ideal for modern mechanical shift outboard lower units and inboard/outboard stern drives.

Can you use 80W 90 on a lower unit?

Can you use gear oil in an outboard?

Application. Marine Gear Oil 75W-90 is designed to be used in outboard and stern drive gear cases where the manufacturer recommends a SAE 75W-90 gear case oil. It can be used where an API GL-5 SAE 80W-90 or SAE 90 is recommended.

Why do you fill a lower unit from the bottom?

Registered. Air…….it will take you forever to fill from the top due to all of the air that must be vented out in the process. When you fill from the bottom, with the top plug out, you force the air out as you force the lube in.

Why do you fill outboard gear oil from bottom?

Filling from the bottom pushes the air out, unobstructed, hence a full LU. It is a pain filling from the bottom though…

How do I check my lower unit oil level?

Shut the motor down. Remove the lower unit’s vent plug, a large bore, countersunk screw which you may remove with a standard slotted screwdriver. If oil does not leak from the vent plug when you remove the screw, the lower unit oil level is low.

Can you fill lower unit oil from the top?

oil is very thick and the air can’t pass through it fast enough. You will fill the LU until oil comes out and you will think it is “filled” when in fact, it won’t be. Filling from the bottom pushes the air out, unobstructed, hence a full LU.

How do I add oil to my outboard motor?

If the oil level is below the operating range (cross hatched region), remove the oil filler cap and add approximately 500 ml (16 ox) of specified outboard motor oil. Allow a few minutes for the added oil to drain to the oil sump and recheck the dipstick.

Does a 2-stroke outboard have an oil filter?

You should notice a small, white, inline filter that strains the two-stroke oil in route to the engine. This small filter is often overlooked, but without a steady supply of Yamalube two-stroke oil, your engine will quickly go into reduction mode, or worse.