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?)

Is Mercury High Performance gear lube Synthetic?

Quicksilver High Performance Gear Lube is engineered to provide maximum protection for stern-drive and outboard lower unit gear cases. It is specifically formulated to help prevent failures due to water entering the gear housing. Extreme pressure synthetic additives protect gears from metal to metal contact.

What type of gear oil does a Mercruiser take?

What type of gear lube does it need? Where can I find this info? Mercury Premium SAE 80W90 Gear Lube is recommended for lower units for outboards below 75 horsepower. It should not be mixed with Mercury High-Performance SAE 90 Gear Lube.

Is Quicksilver and Mercury oil the same?

Mercury oil and Quicksilver oil are one and the same. The Quicksilver brand is for retailers who are not Mercury Marine Dealers, such as your Wal Marts, tackle stores, etc… Quicksilver is in no way cheaper or different – same cost. Mercury Premium oil is recommended for most small 2 cycle outboards.

Is Quicksilver and Mercury the same oil?

What is the recommended engine oil for the Mercruiser?

MerCruiser produces a number of different sized inboard motor that vary in performance and purpose. The recommended oil for all Mercruisers, from the 3-liter to the 8.2-liter high output, is SAE 20W-40 MerCruiser full synthetic engine oil. MerCruiser inboard engines are built to be a part of a sterndrive system.

Is Mercury Optimax bad outboards?

Mercury Optimax outboards are just fine. Like all the others, if you use them the way they’re intended to be used, keep up with regular maintenance, as described in the owner’s manual, they’ll do just fine. Don’t do that, and any outboard will soon become a lemon.

What oil does mercury use?

Recommended Oil. Mercury Marine, the manufacturer of the 4.3L MerCruiser engine, specifies that the owner use Mercury MerCruiser Full-Synthetic Engine Oil, 20W-40, with a NMMC EC-W rating.

What is synthetic gear Lube?

Mobil 1 Synthetic Gear Lube LS is a supreme performance, synthetic, multipurpose, automotive gear lubricant designed to: Meet or exceed the highest level of performance requirements of many modern passenger vehicles – including limited slip applications.