How much gear lube does a MerCruiser outdrive hold?

4-1/2 Qts.

How much gear oil does a lower unit hold?

STEP

Lower Unit Oil Needed by Model
Model	Approximate Fluid Ounces Required
9.8 (2-stroke & 4-stroke)	10.8 fl oz
9.9 (2-stroke)	12.5 fl oz
9.9A (4-stroke)	6.8 fl oz

How much oil does a sterndrive take?

To change the oil you will need a large flat blade screwdriver, a suitable drain pan, 2 quarts of gear lube and a pump. First place the drain pan under the bottom plug and then remove the bottom plug.

Why is my lower unit oil milky?

That milky color and consistency is most likely due to water intrusion. It will not break down from use and get lighter, like other oils as it breaks down and gets used it darkens. Time to change seals and when you do your water pump do the whole kit and not just the impeller.

What is the difference between alpha 1 and Gen 2?

The Alpha Gen II upper and lower housings are fastened together with two through bolts on either side of the drive along with the front and rear bolts, while the Gen 1 drives use one stud visible on either side. Alpha Ones have two studs under the ventilation plate just above the prop.

How much oil does a Alpha 1 outdrive hold?

Brand	Model	Oz./Qts.
MerCruiser	Alpha One Gen II	1.22 US Quarts
MerCruiser	Alpha One Gen II	2.0 US Quarts
MerCruiser	Alpha One Gen II	1.75 US Quarts
MerCruiser	Bravo One	2.0 US

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.

Can you mix synthetic gear oil with regular?

Yes. There is no danger mixing synthetic and conventional motor oil. However, conventional oil will detract from the superior performance of synthetic oil and reduce its benefits.

Can you fill outboard gear oil from the top?

To add (“top-off”) oil install the top plug again, remove the bottom plug and put your oil bottle into the hole. Remove the top plug to release the vacuum and add the necessary amount of oil. Reinstall the top plug, then quickly reinstall the bottom plug. Check the oil level once again as described above.

How much gear lube does a MerCruiser outdrive hold? 4-1/2 Qts. How much gear oil does a lower unit hold? STEP Lower Unit Oil Needed by Model Model Approximate Fluid Ounces Required 9.8 (2-stroke & 4-stroke) 10.8 fl oz 9.9 (2-stroke) 12.5 fl oz 9.9A (4-stroke) 6.8 fl oz How much oil does a sterndrive…