Mercury 50HP 2 stroke complete water pump replacement

In this video you will see how to remove the gear box or the lower section of a Mercury outboard. You will also see how to do a complete water pump replacement.
You can find new parts on pretty much any outboard at Crowley marine.com
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[@djfunkycraig]

Thanks for taking your time to post the vid mate, was very simple and straight forward cheers

[@user-gn2fd5gs6m]

Very good instruction. This will be my replacement. Thanks

[@mikes1798]

Thank you for this post! I will be doing this for the first time on a 40 hp Mercury and found your video easy to follow, very detailed, and loaded with good tips like the shift linkage disconnect procedure.
The only other trick I might try before taking the pump housing off is putting a scribe mark between the top surface of the pump housing and the shaft to help make sure the splines are lined up with the flywheel when the lower unit is being put back on.

[@gregrogers6088]

On all the videos I have watched concerning water pump replacement, no one mentions the wrenches or sockets they using. Otherwise great video, Thanks

[@dansarfati5795]

Thanks a lot. Helps me with my Mercury 50. Very nice video and explanation! Cheers from France. Dan

[@RickStuff]

Glad it helped

[@jbkahl]

Take a paper lip and make sure the water hole is not clogged

[@greggdsciotto8952]

Well done!

[@tomfink5009]

Excellent video, very clear views of all. One of the best of many I have seen. Just did my 2003 40 HP Mercury two stroke, but have a problem with the shifting. Don't know why.

[@RickStuff]

The adjusting is very sensitive.. make sure to put tha gear box in neutral and your shifter on neutral position bwfore screwing the connecting nut

[@russelllegrand7262]

Great Video!

[@jungelina7001]

Well done sir

[@randallrader7210]

Thanks

[@rebecca0067]

Nice video!

[@karapoti74]

Good video, need to do the same on mine. Any advice on how to get the long shifter nut moving? Mine seems to be ceased onto the top rod ....

[@kurtwilliams9147]

What kind of grease was used in the housing and on gasket?

[@jasonduke6841]

did u have the motor in gear or in neutral when u took the lower unit off?

[@RickStuff]

In neutral. You will have to adjuste the shifter link after re installation

[@buckscountyautospa6008]

Great video! Thanks! Question? I have the same motor on essentially the same boat as yours. What size prop are you running?

[@RickStuff]

I have 2 different prop. A 13 for more speed and a 15 for towing wake board

[@jimmies7584]

The 2 washers..🙈 anybody Know the size?

[@MrNikshay]

Thanks for the video, it was very informative. I also need to replace the water pump on my 50 hp merc. What was the part number for the kit you used?

[@RickStuff]

Sorry i don't remember but i buy all my part at www.crowleymarine.com
It is vefy easy to navigate. You need the serial nimber of you outboard

[@MrNikshay]

@@RickStuff Thanks!

[@pappartur]

Can you tell me please your power trim part No? Thank you!

[@RickStuff]

Sorry dude I can't. I don't have that boat anymore.

[@joefata5685]

Salut Rick, merci pour le video! Tres informatif. Je crois que je devrais changer mon impeller, cars mon tell-tale hole piss beaucoup sauf l’eau qui sort est Chaude! 😳😳

[@RickStuff]

C'est normal qu'elle soit chaude un peu surtout à basse vitesse.

[@joefata5685]

@@RickStuff merci pour l’info.

[@terrysmith7454]

were is the copper water pipe

[@lbg198617]

Did you had a chance to try it a the lake and see if the water came stronger

[@RickStuff]

Yes it does.

[@lbg198617]

@@RickStuff thanks I have the same motor and it was only doing little water drops.

[@kevinconnelly4292]

Maybe did but never saw grease spline . Nor did I see you connect water tube.

[@RickStuff]

There is no water tube. The jonction between the pump and the pipe is in the upper section

[@jasonzeigler7617]

What water pump did you get

[@RickStuff]

I don't remember what brand but I bought it at crowleymaein.com you enter your motor info and ir give you the parts list.

[@christopherkennedy4004]

Why do you have to remove prop in order to remove lower unit 😳

[@RickStuff]

It is essier to remove the 5ft bolt with ghe prop off

[@jamesmatthes7415]

Very difficult to put the 5th nut back on due to it being way up in the cavity and prop blades are in the way. Not required, just makes reassembly a little easier. Personal preference.

[@Farmer2492]

Why do you have to take the prop off

[@petedowns7183]

risk of damage...

[@stevendopson3557]

Good question

[@GraemeJones1979]

Were you in neutral when doing this

[@RickStuff]

Yes but it dosen't mather. You will have to adjust the shifter linkage anyway after the job

[@GraemeJones1979]

@@RickStuff I think mine is in reverse when I re installed the lower end the prop is only turning clockwise by hand not both ways that would indicate it is in neutral.
With the lower end off can I physically pull and push the shift linkage by hand to get the gear in neutral before re installing

[@RickStuff]

@@GraemeJones1979 make sure that when you connect the shifter rod , the throttle and the transmossion are in same osition. Ex; the atick ahift in foward poaition and the transmission (lower end) in foward position. If they are not in sync you won't be able ro pit it in neutral and adjuste the neutral postion...

[@vidar-4020]

Can you tell us the reason why so lille water came out?

[@RickStuff]

@@vidar-4020 after investigation I've figured that ut was not necessary to replace my water pump. The exit pip was clung probably from spiders. There was still a poor water with the nrw pump. I fix it by unpluging the hose from engine side and blowing compressed air to push the dirt out...