Provides warranty protection for all Mercury MerCruiser sterndrive and Mercury, Mariner and Force outboard lower units. Boating Accessories New Oil Drain Plugs/gaskets/washers Sierra 18-2244 Fits Mercury/Mercruiser #1/MR/R/Alpha/Alpha I Gen II Upper & Lower Units. Also, change lower-unit impellers and propeller nuts annually. Clean oil is essential in reducing friction and preventing damage to internal components, providing many years of engine life. Tilt the outboard up to the trailer position. $63.02. You need an approved container in which to catch the oil you drain from the unit. We carry outboard lower unit replacements for Yamaha, Mercury, Johnson, SEI and Evinrude marine motors, in addition to Mercruiser Sterndrives and SEI Sterndrives. motor was trimmed up as I brought the unit down and out and then began to leak a lot of oil. Keep the propeller shaft greased and, if you boat in salt water, take the cowling off … For your convenience, PartsVu has created Mercury oil change kits for many popular Mercury outboards. Makes it a nice clean simple job. I removed the lower unit on my 2009 Mercury 90 hp four stroke to service the water pump and replace impeller. Remove the drain plug with an 18mm wrench and drain the engine oil into an appropriate container. Maintaining your Mercury outboard lower unit provides a peace of mind knowing that your motor will function efficiently when out for a day on the water. Removed the lower unit on mercury 90 hp four stroke to change removed the lower unit on mercury 90 hp four stroke to change impeller and seals on water pump. Replacing the seals themselves is … A helpful video for maintaining your 75-115 FourStroke Engine. See the comments at the end of this guide on how to check for the proper oil level in your lower unit.. Be sure and properly dispose of your old oil by taking it to an oil recycling center. While it is draining loosen or remove both screws. Re: Low unit oil change question for 90 HP Force. Engineered for sterndrive and outboard lower units, this High Performance SAE 90 gear oil has been extensively tested to ensure impressive protection against corrosion and wear. I bought a new boat early spring with a Mercury 90hp 4 stroke. DO NOT mix with Mercury Premium Gear Lube. I have that engine. Oil Change Procedure. On the 6 cyl engines remove the vent plug at the top and drain on the bottom. Find out more about Mercury's distribution partners, sponsorship applications, and our global locations. Changing the seals on the prop shaft of Mercruiser engine is a project for winter or the off-season. WARNING: Running your outboard without completely filling the lower unit with oil to the proper level will cause severe damage to your outboard. Re: 90 hp Mercury lower unit oil. https://www.partsvu.com/blog/guide-to-mercury-marine-precision-oils-lubricants I got my 10 hours in and took it to the dealer to change the oil and lower unit per recomendation. 1-16 of 309 results for "mercury lower unit oil" Price and other details may vary based on size and color Quicksilver 858064Q01 High Performance SAE 90 Gear Lube for Mercury Outboards and MerCruiser Sterndrives, 32 oz Locate your drain/fill plug screw and adjust the trim/tilt of your outboard motor or sterndrive so that this plug is in the lowest position possible in order to drain the used oil thoroughly. Once all the oil is out, pump oil through the bottom screw on the unit … 75-115 FourStroke Engine Maintenance - Changing Gear Lube. Outboard Lower Unit Oil Drain Gasket (24Pcs) Replaces# 90430-08020-00 90430-08021-00 90430-08003 Fits for Yamaha Most 4-STROKE Models Crush Washer Seals. Turn the steering on the outboard so that the drain hole is facing downward. (10 oz.) After I had brought the lower unit down and out I still had the motor tilted up and oil began to run out of the lower housing until I tilted the motor back down. The oil will drain slowly. Quickare – Add to every fill-up Maximizes engine performance with all grades of gasoline Mercury Oil Change Instructions for 4-Stroke 75/90/115 HP EFI. Go to WW and as Chris and wired said buy a quart of Quicksilver/Mercury Premium LU oil in the quart in the package that has the pump. Pull the cowlings and inspect your outboards’ powerheads to make sure nothing looks out of the ordinary. Model Year Range Metric Crankcase Capacity US Crankcase Capacity Canister Filter; 2.5/3.5 FourStroke 2006 - 2016: 0.30 liter (300 ml) 0.31 QT. https://itstillruns.com/change-oil-force-85-outboard-8603960.html The lower unit on Mercury outboards must be removed to change the water pump's impeller. The lower drain/fill plug screw is usually located on the starboard side of the lower unit, beneath the “bullet-shaped” portion of the lower unit housing. Learn how to change outboard oil in a Mercury Outboard. Replacing the lower unit is part of replacing your water pump's impeller, exchanging a drive shaft of one length for another length or replacing the oil seals on drive or propeller shafts. As the top dealer of Sterndrive Engineering aftermarket replacement lower units, you can count on us to guide you to the right part. An oil change may sound like a messy affair, but you can change the lower unit oil in your Johnson 48 SPL outboard motor with minimal fuss. • Premium Gear Lube 80W-90 - For Outboard lower units below 75hp • High Performance Gear Lube SAE 90 - Extends gear life in extreme conditions including high-speed and high-horsepower applications Fuel Care System 1. 04-19-2016, 08:45 AM. Mercury oil change kits contain the exact amount of Mercury oil needed for your outboard model and in the following oil weights - Mercury 10W-30, Mercury 20W-40, or Mercury synthetic blend. The oil will drain out at the bottom faster. Couldn't be easier.Trim the motor down and turn the engine so the drain plug is pointed at a down angle to drain. I was told this is a $300 charge. Quicksilver Mercury Mercruiser 8M0081913 Oil Change Kit for 75/90/115 HP (1.7L) Engines - Oil, Oil Filter, Drain Plug Seal Included. . Lower unit oil changes are an important part of maintaining an outboard motor. #5. I am coming from a 2 stroke motor and did all service work myself on my old boat. If you see a small, thin streak of milky-colored oil coming from the bottom of the lower unit of the motor, you must replace the prop shaft seals. Continued use of this gear case lubricant will: Provide maximum protection against excessive wear - even in the presence of water Prevent corrosion and pitting Help extend gear life Available container sizes: 296ml Tube, 946ml, 9.4Lt, 18.9lt, 60.5lt, 208lt (55 Gallon). The drain plug is located on the port side of the engine shaft. Unscrew the bottom screw on the unit. Jul 19, 2013.

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