marketmaker
17.06.2021 19:29:55
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See full version: What Color Should Lower Unit Gear Oil Be
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It can also dry the seals out, causing them to crack, or a spring to fail. If you don’t have the oil changed or service the gear case, you won’t know until it’s just too late! [links]
Take care and be safe out on the water!
Here’s some more really helpful information about Checking The Spark & Compression of Your Engine that you can easily follow to check on the health of your engine!
Blue is my favorite color of gear oil. Brown . . . not so much. [links]
That sounds like Quicksilver Hi Performance gear lube. It's Mercury's brand.
I used a quart of Sierra synthetic gear lube and it was blue, not the normal blue/green. more
Yup I use walmart's quicksilver. 1 Quart will be more than enough for every lower unit that I have ever filled. Runs about $11.
Blue/green and smells like a polecat pissed on a dead skunk = probably good stuff. [links]
Why do I have to periodically check my engine alignment and lubricate the engine coupler?
The presence of water in gear lubricant indicates the need for inspection by an authorized dealer. The dealer will disassemble the gear housing and inspect the oil seals, seal surfaces, O-rings, water pump gaskets, as well as the gear housing components for damage.
The Operation, Maintenance & Warranty manual outlines the typical maintenance and lubrication items. If your manual is missing or damaged, please order online or through any authorized Mercury dealer. Please have your outboard or sterndrive serial number before placing the order. here
The oil I used to purchase is not available or has a different label. What should I do? more
The engine oil capacities given in the Operation, Maintenance & Warranty and Service manuals are approximate and indicate what the capacity of the entire lubrication system is. A small amount of oil remains in the crankcase, oil lines, etc. This is why it is difficult to get the indicated amount of oil in the engine without it being overfilled. You should always fill the crankcase according to the dipstick when the engine is level, preferably with the boat at rest in the water. If the oil is at the full mark on the dipstick, then it is at the proper level regardless of how much you put in. It is important not to overfill or under fill the crankcase. The engine oil level should always be between the add and the full marks on the dipstick.
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