For outboards 75 HP and up and all sterndrives Mercury or Quicksilver SAE 90 High Performance (Extreme) Gear Lube is recommended Show This gear lube capacity chart is limited to recent models and has been developed to aid in determining how much gear lube to have on hand when servicing a particular gear housing. Changing and servicing of gearlube should always be performed in accordance with techniques and procedures as outlined in the appropriate service or owner manuals. The quantities shown here are to be regarded as reference only. Any variation from the quantities shown may indicate an incorrect model selection, the wrong service technique or a more serious problem. Contact your local dealer prior to running if this should occur. Shop for all Mercury Gear Lube at discounted prices here Gear Case Fill Screw/Seal Kits can be purchased HERE If you have an internal Remote Gearlube Reservoir, remove it from it's bracket and pour it out. Look in the bottle and if you see muddy goo or an oily slime, remove the reservoir and clean it out in a parts washer making sure it's clean and dry when complete. When the lube is done draining, take some time and inspect the drain and vent holes for the old gaskets. A pick works well to pick the old gaskets out of the holes. Be aware that older gaskets get rock hard and they are more difficult to remove. Make sure the gaskets aren't stuck on the drain plugs. Locate your new gaskets and place them on the screws and set them aside. Drives are filled from the bottom up. The Gear Lube Pump fits into the standard quart-size gear lube bottle. Thread the end of the pumps tube into the lower gear housing drain hole and pump the lube into the drive. Keep pumping until lube flows out the top vent hole in the upper driveshaft housing. Before removing the pumps hose, go ahead and install the top plug making sure the new gasket is in place. This will help hold the lube in the drive while you are trying to get the lower plug installed. Remove the pumps fill hose and install the lower plug making sure the new gasket is in place. Re-tighten both screws with your large slotted screwdriver. Wipe up the mess and discard the pan of old lube properly. If you have a Remote Drivelube Reservoir, fill it up to the "FULL" line. Keep a little spare lube in the boat. The first time you run the boat some air might "burp" out of the drive and the reservoir bottles fluid level might drop a little. Some bottles have an alarm float which can sound your dash buzzer alarm should the fluid level drop too much. Hey guys, fairly new to boating in terms of terminology, so my apologies if I use the wrong words or terms.. I have 1999 Sea Ray Bow Rider 180BR 18' Ski/Wakeboat with a Mercruiser 3.0L I4 and a Alpha One Gen II Sterdrive. In the engine compartment, there is a square reservoir that says "Drive Oil", I take it this means it's for the Outdrive/Sterndrive? What kind of oil should I look for this? The oil in it right now is below the Add line by a long shot, and is blue in color. Mercstuff.com recommended a 80w - 90w, but did not mention any brand or where to get this from. Autozone, O'reilly's were no help either.. any help is appreciated guys. What kind of oil goes in a Mercruiser lower unit?Mercury SAE 90 High Performance Gear Lube.
What type of oil goes in a Mercruiser outdrive?FC-W 4-Stroke (25W-40) oil
This oil is engineering approved for all marine 4-stroke applications including outboard, MerCruiser, high performance, sterndrive/inboard.
How much gear oil does a Mercruiser Alpha one take?The Alpha One holds about 2 quarts of Mercruiser Premium Gear Lube.
What is gear lube on Mercruiser for?Description. 32oz bottle of genuine Mercury/Mercruiser High Performance Gear Lube Engineered to provide maximum protection for sterndrive and outboard lower units. For use in most gear housings of Mercruiser sterndrives and all Mercury, Mariner, and Force Outboards.
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