How To Change Lower Unit Oil on new Mercury FourStroke 250

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John shows you how to change the lower unit oil in your new Mercury FourStroke 250 with the TorqueMaster Gen 2 lower unit. It is easy with the right tools. Tools needed are Mercury SAE 90 performance oil, oil pump kit, flat head screwdriver, tub to catch oil, paper towels, prop wrench, and wood block.
Mercury info: salesforce.123formbuilder.com...
#mercurymarine #lowerunit

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Опубликовано:

13 май 2019

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Комментарии : 49

@Rich-it1mc 10 месяцев назад

Thank You John, this will be my first oil change on this engine. I have always admired your attention to detail.

@JeffHaire Месяц назад

Thanks. You gave me the confidence to do mine now ..

@Maynardd Год назад

Good video, I have a Merc 250 as well and it’s the first time I need to change the gear lube. It does aggravate me that the prop has to be removed when they could’ve given us access on the outside. But thanks to you I can very easily do this myself. Thank you for the video.

@RedsFishin 5 лет назад

Nice job! Changed in under 12 minutes! I always level my motor when refilling, but I think you were pretty darn close.

@riccochet704 4 года назад

Agreed. Lower unit should be level when filling.

@ronniehenson4122 4 месяца назад

55 lbs of torque and you should grease the prop shaft. Good video Thanks!

@bassfisher685 Год назад

Few things he left out. When the lube starts coming out the top vent plug, let sit for 5 min. You have to allow all the trapped air to rise to the top, once it sets pump again till it over flows.... TORQUE THE VENT PLUGS!!!!! 8.66 ft lb... there is a reason these have bolt heads (10mm)

@hydro_rebel7741 Месяц назад

The 200 and 250 must be different, I have the 200 and it's only got a 1 inch prop shaft. But great video!

@davidhudson2087 2 года назад

Thanks John made my joe easier🎣

@mburke1211 4 года назад

Great demonstration John!

@nik-lc3ob 3 года назад

No grease on the prop shaft before assembly?

@jasonclark625 3 года назад

Great video man. Was wondering if you knew if the 150 pro xs is the same set up as changing the gear lube as yours?

@brianpeterson8026 4 года назад

I live in Wisconsin would you do any thing extra for winter storage it going to live in my garage

@rodneyhanbaum697 4 года назад

Outstanding

@davidgray9292 3 года назад

I don't have to tale my pro off of my 2017 60 horse mercury, it has a drain plug on the side like the old ones, but it has a full level plug and a vent plug,not so sure about that.

@jamesbehrendt2767 3 года назад

I can’t believe you don’t have a locking prop nut on there!

@jerryvalentour164 4 года назад

The fitting for filling is different from the other one used on other 2 strokes mercury outboard older version

@tomgtecmaslz3516 3 года назад

Gostei da explicação

@mikethetoolman8776 10 месяцев назад

read that you need to tilt eng up and down a few times and refill to ensure proper levels?

@JohnCrews 10 месяцев назад

Won’t hurt but not necessary

@brianbbb7931 3 года назад

Camera man has the COVID. 😂

@JohnCrews 3 года назад

😂

@flipper2473 11 месяцев назад

Hey John, is that gear lube pump attachment the same size as the old size thread attachment that fit would fit into the old 2 stroke motors , or do I have to buy a different pump for the newer motors? Also, have you ever heard a tic, tic, tic sound after releasing trim button? I hear tic, tic , tic after lowering motor to about 85% down, then releasing button. Thanks

@JohnCrews 11 месяцев назад

I think it’s the same. 👍🏼

@dennisbingham6009 3 года назад

Always lubricant prop shaft before reassemble.....

@Combatkid174 9 месяцев назад

Did you lower the engine to be level ? It doesn't appear to be. Otherwise good information..

@adamnowlan9386 4 года назад

Where’d you get your pump for that John ?

@Moose2888 3 года назад

Any marine dealer or walmart

@anthonyhansen5809 2 года назад

Do you get the lower unit oil screw "snug" or do you really need to make sure to get it extra tight? I just don't want to over tighten.

@JohnCrews 2 года назад

You can’t over tighten it by hand. 👍🏼

@bassfisher685 Год назад

@@JohnCrews yes sir you can! You break that gasket, and water will get in! Torque spec for that Torque master is 8.66Ft Lb.

@josephlassiter1412 4 года назад

Is there not a Carter pin on the prop nut?

@Moose2888 3 года назад

@williambigsby4031 2 года назад

Were did you get the prop cover?

@JohnCrews 2 года назад

It’s called a Prop Alert. They have a website

@bunkman64 3 года назад

07:41 That's what she said.

@REJ509 3 года назад

Lol

@jasonmausteller2488 5 лет назад

Shouldn’t there be grease on the splines?

@JohnCrews 5 лет назад

Jason Mausteller For sure. I go by feel. I put plenty in upon first time I put prop on. There was still enough on them so I didn’t mention it. Good call.