What kind of oil does a Mercury outboard lower unit take?

What kind of oil does a Mercury outboard lower unit take?

Mercury Premium SAE 80W90 Gear Lube is recommended for lower units for outboards below 75 horsepower. Mercury Premium SAE 80W90 Gear Lube should not be mixed with Mercury High-Performance SAE 90 Gear Lube.

What oil goes in 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 I use regular gear oil in my lower unit?

Any gear oil that has a “GL-5 or GL5” rating is suitable for outboard lower units. That rating means that it will not foam if it comes in contact with water.

Is Mercury High Performance gear Lube Synthetic?

Mercury Marine 92-858064K01 Synthetic Blend (90) High Performance Gear Lube. Specifically formulated to help prevent failures due to water entering the gear housing. Extreme pressure synthetic additives protect gears from metal to metal contact.

Is lower unit oil the same as gear oil?

Lower units contain hypoid gears (think ring and pinion, like a car differential) so they demand extreme pressure additives. The marine gear oil you choose will depend on the size of your marine engine. Consult your engine’s manual and look for the proper marine gear lube for your application.

Is SAE 90 the same as 80W 90?

Can I use SAE 80W-90 instead of SAE 90w? Yes it is the same… close enough anyway. SAE 90 gear oil is equivalent to 50wt engine oil (SAE 80 = 30wt), so you could always dump that in instead if you want.

What is the difference between marine gear oil and regular gear oil?

Marine gear lube, unlike automotive gear lube, is formulated to emulsify water. This serves two purposes: It provides consistent lubrication, keeping water away from moving parts. It keeps the lower unit from freezing (yours didn’t freeze last winter, did it?)

What weight is outboard gear oil?

5W-30 Full-Synthetic—this is the best oil for high performing outboards. 10W-30 Mineral Base (conventional)—this is a universal oil ideal for almost all types of environments.

Is Quicksilver the same as mercury?

Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement parts and accessories. The two brands share the same DNA and same brand promise. Mercury products are sold only by Mercury Marine dealerships.

How often should you change outboard lower unit oil?

every 100 hours
Most sterndrive and outboard manufacturers advise you to change the gearcase oil in your lower unit every 100 hours or once a year (whichever comes first). Clean oil is critical for protecting the heavily loaded gears in your lower unit and preventing expensive damage.

What color is 80w90 gear oil?

bright red
color-coding 890 VARI-PURPOSE Gear Lubricant SAE 80W/90 a bright red.

What color is Mercury High Performance gear lube?

Mercury’s High Performance Gear Lube is a blueish or a greenish color. Mercury uses the same gear lube in almost all of their lower units.

What kind of oil does a Mercury 4 cylinder use?

Mercury 25W-40 Synthetic Blend Outboard Oil meets the stringent marine operational requirements of all of Mercury’s new 4 and 6 cylinder models. First in class for all FC-W durability test properties with industry-leading internal Marine engine corrosion protection.

Why do you use Mercury Marine gear lubricant?

Mercury marine gear lube outperforms automotive gear oil in marine applications because of its specialized additive package designed for marine gear cases. Continued use of this gear case lubricant will: Provide maximum protection against excessive wear – even in the presence of water prevent corrosion and pitting.

What do you need to know about Mercury Precision oil?

Things to know about this oil: For use in all 4-stroke marine engines. This oil is engineering approved for all marine 4-stroke applications including outboard, MerCruiser, high performance, sterndrive/inboard. Exceeds all marine industry 4-stroke oil requirements including FC-W and FC-W compatibility.

Which is the best lubricant for a 4 stroke outboard?

Rigorously tested to guarantee warranty protection for Mercury and Mariner 4-stroke outboards. Mercury marine gear lube outperforms automotive gear oil in marine applications because of its specialized additive package designed for marine gear cases.

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