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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.
Can I use regular gear oil in my lower unit?
So, can you use any old gear lube in your marine lower unit? If you want the best protection possible, and want your lower unit to last as long as your boat, then the answer is no. Consult your engine’s manual and look for the proper marine gear lube for your application.
What weight is marine gear oil?
Lucas Oil 10652 Marine Gear Oil – 32 oz.
What type of oil goes in a Evinrude lower unit?
Valvoline High Performance SAE 80W-90 Gear Oil 1 QT.
Is SAE 90 the same as 80W 90?
Also: SAE 90 is a huge range. 80W-90 is the lower (less viscous) end of the scale, while 85W-90 is the top end of the scale. Both are monogrades (single grades).
What weight is lower unit oil?
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.
Is gear lube and gear oil the same thing?
The main difference is it does not have the addiditive (friction modifier) you normally get in a synthetic. This additive is what makes it ok with hypoid gears. You need to buy that separately and add it. Do some tight figure 8’s in a parking lot to mix it in and you are good to go.
What is SAE 90 gear oil?
SAE 90 is a global quality standard for heavy duty gear oils as formulated by the Society of Automotive Engineers(SAE), which defines a high level of performance. Gear oil is a lubricant made specifically for transmissions, transfer cases, and differentials in automobiles, trucks, and other machinery.
What is marine-grade grease?
WD-40 Specialist® Marine-Grade Grease is a lithium-based grease that provides superior lubrication and corrosion protection in wet and moist environments. It resists water wash-out and allows the grease to stay in place in the presence of water while providing rust and corrosion protection.
How often should you change outboard lower unit oil?
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 oil is comparable to XD100?
AMSOIL fully supports the use of HP Marine™ as a replacement for Evinrude XD100 in Evinrude E-TEC™ engines, and warrants its use according to the AMSOIL Limited Liability Warranty (G1363).
Can you overfill lower unit oil?
To answer, yes you can. I have seen guys that will pump it till the oil comes out the top which is correct, but will then put the top screw in & then give a few more pumps for “good measure”. This usually causes overfilling as well as a slight pressurizing if they get that bottom screw in real fast.
What oil goes in outboard gearbox?
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.
Do you have to drain lower unit oil to change impeller?
Yes, you will need to drain the lower unit fluid.
What does Milky lower unit oil mean?
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. They’ll also be able to tell you if anything more than seals is required.
What is the difference between 90 weight gear oil and 80 90 gear oil?
Ans: 75W90 is artificial and mostly better than 80W90, but it costs more. 75W90 has a better low-temperature viscosity and is good to run all over. If you’re in a warmer zone, using 75w90 will be more suitable than 80w90 for you.
Can I use SAE 90 instead of 80W90?
Please don’t quote me directly on this but I believe it is something like it acts like 80 weight oil at cold temp and 90 weight oil at high temp in terms of viscosity, or it’s ability to flow. Regardless, so long as the marine gear oil fits under your specifications for the outboard, you should be just fine.
Can I use SAE 90 instead of 75w85?
Our answer: Yes, 75W-85 gear oil can most definitely be replaced by 75W-90.
How often should you change oil in a 4 stroke outboard?
Oil and oil filter changes are required every 100 hours or every year for most four-stroke outboards. Changing the oil as part of preparing for off-season storage is recommended by professional technicians if you plan to put your boat up for the winter.
What is 80W90 gear oil used for?
ADVANTAGE GEAR LUBE 80W90 GL-4 is a multipurpose, extreme pressure gear lubricant recommended for use in spiral bevel or hypoid gear axles and certain manual transmissions. This gear oil is intended for service fill, top-off and refill of hypoid and other drive axles which recommend API GL-4 gear lubricants.
What happens if you use the wrong differential fluid?
Using the wrong fluid can cause poor lubrication, overheating, and possibly transmission failure. A mechanic might not be able to reverse the damage, even by flushing the transmission.
What gear oil is best?
Top Best Gear Oils Valvoline SynPower SAE 75W-140 Full Synthetic Gear Oil 1 QT. Lucas Oil 10048 SAE 75W-90 Synthetic Transmission and Differential Lube. Red Line 57904 Synthetic Gear Oil. CRC Multi-Purpose Gear Oil 85W90 SAE-Gallon. Ski-Doo OEM Chaincase XPS Synthetic Oil/Lube/Lubricant Chain/Gear Case Fluid 12oz 293600138.
