How to Change Lower Unit Oil (2-Stroke Outboard)

How to Change Lower Unit Oil (Mercury Outboard) – PWF's Brandon shows you step-by-step instructions on how to change lower unit oil on a 90s model Mercury 2-stroke outboard boat motor. Regardless where your vent and drain plug are – the oil change process is the same. PLUS! Do you have water in your oil? Brandon shows you were that water might be coming in and how to easily fix it. Thanks for watching!

PRODUCTS USED:

Chapters:
0:00 Intro
0:28 How to Drain the Oil
2:43 Adding the Gear Lube
3:49 Final Steps

#lowerunit #mercury #outboard #oilchange

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Leave us a comment and let us know what you think of the video and how we can make it better for you.

THANKS FOR WATCHING!

[FacelessMan]

The best video I have seen on this procedure and I have watched about 8 videos. I am now a subscriber.

[roadkill_]

Just got a 2001 triton with a 225 Mercury a few months and was wondering about this. Perfect video thank you

[thangknowa]

Use the best snug fitting screwdriver to prevent problems. Keep new seals on hand, I buy a 6 pack at a time. They are crush washers, usually only good for a time or two, any question - replace them. Some replace them every time, your choice. Keep spares!

[benroberts]

Thank you for the perfect video. It was the easiest I’ve ever watched. You explained it perfectly. ❤❤❤

[iroc]

Hello is this the only oil change you have to do. Does this cover the upper part as well eg pistons.

[jmontoya]

Have you ever had problems reinserting the filler screw mine will not tighten and it doesn’t seem stripped.

[Diego-lext]

I have the same motor and I'm going to change the oil tomorrow while the boat is docked in my slip. Tricky thing is that the boat is in the water, But the motor when tilted up is out of the water and I have access to the drain plug. So hopefully everything goes smoothly and I'm able to change the oil as the boat sits in the water lol 🤞🤞

[daver]

For example if I take off my drain screw and leaving the vent, but it still comes out fast why is that?

[georged]

Can I use Sae 90 high performance in my 40hp 2 stroke? Or should I use 80w-90 instead

[jrgoins]

Hey bro, I just bgt a boat with 00' merc 90 2 stroke. Trouble starting, crank np, firing up hard. After fishing nd moving same problem. Bogging when finally starting, runs good when running up lake. Ne ideas
wld b appreciated..

[ismaelmelendez]

Thank you now I know how to change my 85hp force ! I love my 83 capri ❤️🚤

[lukekenney]

Can someone please tell me where I can buy the seals

[deanpittman]

I'm having same problem as one of your subscribers.I cant get any more in it and its not coming out of the vent.I squeezed in about a half of quart so far and cant get anymore in but it's not coming out of the vent..

[tetnaingswasagreattimeform]

I’m refilling the new oil and the oil does not come out of the top hole. Mercury 20hp 200 1978

[frankcouste]

My screws on their freaking tight. I’m a little worried about stripping it out.