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Start by positioning the engine with the leg hanging straight down. Place a suitable drain pan underneath and remove the bottom drain plug from the gearcase. Note color and flow rate of oil. Should the lube have a white, milky appearance, or pure water flow out, this indicates seal damage. Remove the top vent screw, ( small slotted screw at top of gearcase ), allow to drain. Refill from the bottom drain hole until the lube flows out the top vent hole. While keeping oil from flowing out of bottom hole, install the top vent screw. Remove filler nozzel from bottom drain hole and quickly replace drain plug. Double check that both plugs are tightened.
What else can I help you with?
What is the amount of gear oil in lower unit on a 1973 7.5 hp mercury outboard?
The 1973 model, 7.5 hp Mercury outboard, requires 6.8 oz. of gear oil.
What kind of gear oil does a 1980 mercury 80hp outboard need?
For the 80 hp Mercury, you may use any brand of gear oil that has been blended for use as an outboard motor gear lube. There are many brands available other than oem, and are specially formulated for outboard use.
What type of gear oil do you use for Mercury 5hp outboard?
The 5 hp Mercury outboard requires no special type gear oil. General recommendation is for a GL-5 class lubricant, i.e. hypoid 90w. Most any of the oem, or aftermarket gear lubes, manufactured for outboard use, will work just fine.
How much gear oil goes in a 125 hp mercury outboard?
22.5 fluid ounces (or 666 ml's) per our 1994 Mercury 125 outboard manual.
What type of oil do you use in mercury outboard lower unit?
If the horsepower of your Mercury outboard lower unit is 75 and below, SAE 80W90 Gear Lube is recommended.
Where is the oil drain plug on Mercury outboard motor?
where is the drain oil plug on a 2010 9.9 mercury outboard motor
What kind of lower gear oil for mercury outboard 2 stroke motor?
For a Mercury outboard 2-stroke motor, it's recommended to use a high-quality lower unit gear oil specifically designed for marine applications. The typical choice is a 90-weight gear oil, such as Mercury's own High Performance Gear Lube or similar products that meet API GL-5 specifications. Always check your owner's manual for the exact specifications and recommendations for your specific model.
What type of gear oil in mercury 125 out board?
For a Mercury 125 outboard engine, it is recommended to use a high-quality gear oil specifically designed for marine applications, such as Mercury Marine's Premium Gear Lube or a suitable SAE 90 weight gear oil. Always check the owner's manual for specific recommendations and any updates on oil specifications. Ensure the oil meets the necessary standards for performance and protection in the marine environment.
What kind of gear oil does a mercury 50hp outboard use?
I had used a high performance gear lube quick silver marine lubricant it is not expensive and works very well
How do you change the oil in a 2hp suzuki outboard motor?
It should be 2 Cycle oil mixed with gas. You wouldn't have any oil to change unless your talking about the oil for the gear box.
How do you Oil change on 4 stroke 90 hp mercury outboard?
Web site never did answer the question.
How do you change engine oil on a 9.9 horsepower 4 stroke Mercury outboard motor?
whereiscrank case oil drain plug on 1998 mercury 9.9 4 stroke
