How do I change the oil in my Mercury 90hp 4 stroke?
Steps:
- Tilt the engine up to the trailering position.
- Turn the outboard so the drain hole is facing downward.
- Remove the drain plug and drain the engine oil into an appropriate container.
- Once oil is completely drained, lubricate the seal on the drain plug with oil and reinstall.
How often do you change the oil on a 4-stroke outboard?
Most engine manufacturers recommend that you change your oil every 50-100 hours (check your owner’s manual for your engine’s exact interval requirements).
How do you change the oil in a 4 stroke motor?
1. Drain the oil. Place oil drain container under engine to catch the oil. 2. Remove the old oil filter. Take the engine hood off, and look for the oil filter. 3. Install the new oil filter. Wipe off the gasket surface on the engine. 4. Add the new oil to the engine. Locate the filler plug and remove it.
Where to find oil in a Yamaha 4 stroke?
On a Yamaha four-stroke, engine oil weight and capacity can be found by reviewing the tag on the top plastic shroud on the engine under the cowling cover. Or, you can look in your owner’s manual. Prior to removing the old oil, check the dipstick level by lowering the engine to the running position and removing the cowling.
What kind of drain plug does a MerCruiser use?
Boating Accessories New Oil Drain Plugs/gaskets/washers Sierra 18-2375 Fits Mercruiser Alpha MR/Gen II Lower Units. OEM # 10-14834A1 22-67892A1 Drain Screw Magnetic Drain Screw
How to change the oil in an outboard motor?
Apply a small amount of engine oil to the oil filter gasket or O ring. Then spin it on by hand, and tighten 3/4 turn. spin the new filter on. tighten 3/4 turn. 4. Add the new oil to the engine. Locate the filler plug and remove it. Pour in the oil. Use the dip stick to check the level. Do not start engine to check oil level.
How to change oil on 4 stroke outboard?
Chris: Now you just pump it until the oil’s out. Now, we’ll put a rag under the filter to try and keep the mess down, take your filter pliers, break the filter loose, and remove it. Chris: Okay, now you want to put a little oil or grease on the new O-ring, and spin the filter on hand-tight.
How to change the oil on a Mercury 4 stroke?
Mercury Oil Change Instructions for 4-Stroke 75/90/115 HP EFI. Oil Change Procedure. Tilt the outboard up to the trailer position. Turn the steering on the outboard so that the drain hole is facing downward. Remove the drain plug with an 18mm wrench and drain the engine oil into an appropriate container.
What kind of drain plug does a Mercury MerCruiser use?
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. OEM #10-79953A2 10-79953Q2 Drain Screw Drain Screw . . . Only 16 left in stock – order soon.
How to change oil on a Mercury 75 / 90 / 115 HP EFI?
Mercury Oil Change Instructions for 4-Stroke 75/90/115 HP EFI. Tilt the outboard up to the trailer position. Turn the steering on the outboard so that the drain hole is facing downward. Remove the drain plug with an 18mm wrench and drain the engine oil into an appropriate container.