How To Replace Mercury Outboard Water Pump Impeller

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  • Опубліковано 25 жов 2024

КОМЕНТАРІ • 366

  • @tuber5129
    @tuber5129 5 років тому +9

    I'm going to comment here so that another "home mechanic" researching this topic doesn't have to go through the pain that I did. First of all, thanks for making this video. I watched several videos before trying my impeller change for the first time. So long story short, nowhere in the the service manual or owner's manual does it say to drain the engine oil before dropping the lower unit. To my surprise, I had a flood of engine oil pouring out when I removed the shaft and dropped the gear box. I tried to research the problem on line and found a few people who had the same problem, but what they were being told was they had a costly engine oil leak and would need major repairs. This just didn't sound right to me, because I could see a hole at the top of the opening where the drive shaft stops, so I started to do more research. I won't go into detail, but the bottom line is that at least on my 2013 115EFI Four Stroke, you need to drain the engine oil before removing the gear case. I confirmed this with three different Mercury certified mechanics and called Mercury customer service.

    • @elaineatkinson223
      @elaineatkinson223 2 роки тому +1

      Wow! AMAZING video with all the info I really needed. Well done mate, well done. Saved me so much time and mistakes I would have made with just my book.

  • @webturbo
    @webturbo 13 років тому +7

    What a great tutorial. I've watched several on here and this one is by far the best presentation .. I like the fact that you didn't get overly technical, but kept it easy for the everyday "shade tree mechanic" to understand.
    I will be changing the impeller on my 75hp Merc in about 2 weeks and will have my laptop on the workbench for reference with this video cued up!!
    Thanks again!

  • @TrybalRage
    @TrybalRage 6 років тому +9

    Great video, thank you very much even all these years later. A couple notes - one, you can't really see the orientation of the face seal you put on top of the waterpump housing, I had to look that up elsewhere. My kit came with the seal and an install tool. The seal goes with the wide thin flange down against the top of the housing - the tool keeps you from pushing it inside and helps seat it nicely. Two - the bottom gasket on my kit was a thin metal one, and according to the papers that came with it replaces the large fabric gasket. Must be a new version or something. Finally, the rubber seal that you see at the end of your video on top of the housing water jacket did not drop out when I removed my lower unit. I ended up just greasing it a little in place, since the kit did not come with a replacement and I didn't want to risk trashing it. Thanks again! I don't know what people would do without tutorials like this one on youtube.

  • @iwaotakai2915
    @iwaotakai2915 3 роки тому

    Man I've seen quiet a few videos and tutorials but none of them made sense to me. You had the best tutorial and very easy to understand. Cheers bro

  • @billyarredondo
    @billyarredondo 12 років тому +2

    Thank you for this video. I contacted several local mechanics to get this done but all said it would be a 3-4 week turnaround. I picked up the parts myself and it only took me about an hour and saved me all the labor cost. Awesome!

    • @fredfurrer1035
      @fredfurrer1035 2 роки тому +1

      Looks like I can remove the gear box without taking the boat out of the water. Normally, I would be afraid of doing any work over water.

  • @daleharding1339
    @daleharding1339 10 років тому +35

    Dad (90 yrs old) wanted fishing trip with his two sons.I fly to SLC UT. Brother picked me up at airport, drove to dads, picked up him and his boat and headed to Flaming George. Got boat down to dock and thats when things started to unravel.
    1. Batt dead - jump cost us $10.... then learned it's been one year since boat was in the water !!
    2. Five minutes into lap close to marina to make sure engine can burn older gas mixed with stabilizer plus five gal new - a warning alarm came on - ZERO water pressure on gauge - no cooling water coming out of port. Marina tech stated impeller problem (dad has never changed it in 9 years ownership). One week to get part. at $145 - Two weeks to work it into schedule at $125 labor. Ok - back to brothers house - trip over.
    On a whim thought about youtube... Watched your video.. then found impeller kit online on Amazon - $38 + $4 overnight delivery!
    Watched video again - I can do this! Had it apart in 20 minutes... 5 being used finding a 15mm socket in brothers very limited tool assortment.
    Thanks so much for your help saving a father/sons 4 day fishing trip!!

    • @OutboardAdvice
      @OutboardAdvice  10 років тому +2

      Thanks for the feedback Dale, Glad I could help! :)

    • @duro845
      @duro845 6 років тому

      That trip was setup for disaster from the jump. Hope you guys had fun anyway

    • @strengthcourage9149
      @strengthcourage9149 6 років тому

      Awesome video. Thanks for work putting it together!

  • @Nass1986
    @Nass1986 5 років тому

    I watched a lot of videos and no body demonstrate the way u have done it regarding in impeller replacement its a bit confusing u made it simple thanks

  • @kenthomson4627
    @kenthomson4627 Рік тому

    Really good explanation and excellent tip about the direction of the drive shaft so the key can be easily aligned with the impeller. Thank you

  • @markramquist5276
    @markramquist5276 4 роки тому

    Ty dude they wanted 800 to change I did for 75 but I was looking on top of motor were water comes out your video is gonna make make owners of companies mad cuz it was easy once shown Ty again

  • @Askeyb2011
    @Askeyb2011 5 років тому +1

    Great video. Some years ago I had an old 1971 2-Stroke 7 1/2 HP Mercury Outboard. I changed the water pump impeller several times. Kept going out. I then changed the whole housing everything thinking something was wrong because it kept eating impellers. I think it lasted longer after replacing all of it. Boat we have now has two Mercury 4-Strokes and have never had water pump go out. Replace the impellers every three years.

  • @campy9sp
    @campy9sp 11 років тому +2

    Thank you for posting this video! Going to try my hand at helping a mate get a 115 pumping water again. You saved me quite a bit of time by describing the impeller renewal process brilliantly.

  • @fishman677
    @fishman677 13 років тому +2

    Thanks for taking the time to make your video! I own a 1987 Mercury Mariner 75HP and have hesitated to replace the water pump myself. Thanks to you I will be doing it in a few weeks. You took the mystery out if it and made it clear and simple to understand. Keep on making videos! Thank you.

  • @bodybuilderschickensnortht6121

    Hi Geoff, i just subscribed to your channel. I have to change mine on my mercury 90 HP outboard motor this week. This was the best detailed video i found so far. Thanks for helping us boaters out. Now i know how to handle. I am use to working on my LT1 trans am.

  • @rolodarknet
    @rolodarknet 10 років тому +1

    Very good thanks! I watched this and it gave me the confidence to clear the sand and shells out of my impeller rather than taking it into the shop. Used a water blaster through the top hole of impeller rather than disassembling it and a few 5mm x 5mm shells popped out! Impeller now pumping water as usual. Many thanks.

  • @olebiker
    @olebiker 11 років тому +2

    You saved me a lot of money by making this video. Thank you for going to the trouble to do it.

  • @trentpierce7656
    @trentpierce7656 8 місяців тому

    Thank you for this! I have a 1998 Force 90hp and could not find a video. This engine lower unit is identical to mine. Thank you so much! Worked like a charm.

  • @kennycook-uy8hv
    @kennycook-uy8hv 5 місяців тому +1

    Great video, thank for the attention to detail!! Most others don’t even bother with the pertinent info!! Thank you

  • @eldorado96
    @eldorado96 11 років тому

    Great video - very helpful to understand the relative simplicity of this job.
    Only one nit to pick (sorry!): You commented a couple of times on "keyway", but were referring to the key itself. The keyway is only the slot in which the key installs.
    Other than that, we get what you meant. Thanks for posting this!

  • @SupaNami
    @SupaNami 11 років тому

    one of the best IF not the best vid's on changing a water pump ... Great Vid Mate from the US!!

  • @antoniomaceo4706
    @antoniomaceo4706 7 років тому +1

    Fantastic step by step instruction, easy to follow with no missing information. Thank you!

  • @Broadside175
    @Broadside175 14 років тому +3

    Well done!, I'll be doing that to my 125 this week. Kudos for going the extra mile and greasing everything for the next time!

  • @brents1541
    @brents1541 6 років тому +1

    This video helped me out a lot today! I replaced the water pump and changed my lower gear oil in about an hour. This video was spot on. I have a 1996 force 120 by Mercury. Saved me lots of money. Thanks a lot!

    • @bbreede1
      @bbreede1 4 роки тому

      This may be a dumb question, but did you drain the lower gear oil first, then work on the water pump, then refill after reinstalling? I'm about to do the same on a 96 90hp force.

    • @brents1541
      @brents1541 4 роки тому

      @@bbreede1 I did the water pump first, then changed the lower gear oil once everything was back together. However, it shouldn't matter how you do it. It was a pretty easy job honestly. Good luck.

  • @louissparks2496
    @louissparks2496 3 роки тому

    Good show. This is one of more complete and informative ones that I have seen.

  • @TheGMlover1
    @TheGMlover1 10 років тому +14

    Nice video thanks someone finally shows disassembly and reassembly with some advice to this video was very helpful

  • @kromprify
    @kromprify 7 років тому +5

    Great video. You covered all the points in a clear manner and your video was concise and very useful. Thank You!

  • @cobravenomX1
    @cobravenomX1 10 років тому

    i put a piece of wire into the water hole it worked there was a bug in there. thanks you saved me a bunch of headaches. and repairs.

  • @wandasmith5178
    @wandasmith5178 9 років тому +1

    Great video. I just changed the water pump impeller on my Optimax 115. The only difference was that mine is a long shaft and the gear shift selector rod is longer. Great advice to put the motor in forward gear as it makes it easier on the install.

  • @alacritae
    @alacritae 5 років тому

    You are a champion! Short, consise, and to the point. One thing I would add is the ft-lbs or whatever torque measurement you use for the bolts on the pumps housing. Some guys are sticklers about that sort of thing :)

  • @robguilfoil2470
    @robguilfoil2470 3 роки тому

    Excellent explanation of the procedure and tips to make the installation go smoothly.

  • @rustbox70
    @rustbox70 12 років тому

    I can't thank you enough! This video saved our vacation and countless dollars in repairs.

  • @drcristiaan
    @drcristiaan 6 років тому +1

    This video tutorial is brilliant !
    Clear, educational, useful... Got me on my way.
    Thanks mate!

  • @texted1438
    @texted1438 8 років тому +13

    Good video - I always put the motor in forward gear before dropping the lower unit and make sure the lower unit is fully in forward when reinstalling unit. It is possible for the shifting gear to be moved to neutral or reverse. If you reinstall the lower unit with the lower unit in a different location that the powerhead, the unit can start in gear.

    • @alijabos
      @alijabos 2 роки тому

      I was looking for information on this. He doesn't mention it in the video. It is necessary to be in forward though?

  • @freddombski
    @freddombski 11 років тому

    I agree. One of the best videos on this subject. Makes me want to get out there and do my Merc. 9.8 which has been sitting for quite a while. Wasn't really using it anyway but I'll find a purpose.

  • @Mazomedia
    @Mazomedia 11 років тому +2

    This is a GREAT video! Not just for boats but overall this lays to shame alot of other instructional videos. Well thought out. Good tips. Showing everything being done. NICE WORK!!1

  • @larryhart4880
    @larryhart4880 4 роки тому

    Excellent how to video . I hope mine goes just as easy as yours . Really like the step by step instructions. Thank ya for the little tid bits of info to . Didn't know it was that easy. Now I'm all jacked up to do mine . Thanks again for a awesome video. 😊

  • @twincitiesdashcam9119
    @twincitiesdashcam9119 Рік тому

    Awesome- I have a 2011 115HP Mercury and this video is extremely helpful- thanks for posting.

  • @fredzivicky6266
    @fredzivicky6266 3 роки тому

    Great video. You covered everything that needs to be and how to do it. Very complete and I’m glad I found this one compared to some of the other ones. . Thx again..

  • @raybullard1927
    @raybullard1927 Рік тому

    Well done, Geoff, awesome demonstration, many thanks

  • @jasonbennett556
    @jasonbennett556 3 роки тому

    Finally someone that shows it how it is. Awesome video bud. Thanks.

  • @Deaddancer69
    @Deaddancer69 10 років тому

    Great video...plan to replace the water pump on my '72 Merc 115hp. The one I burned out by forgetting to turn the hose on last weekend when I was driveway starting it. D'OH!

  • @jasonspence3222
    @jasonspence3222 2 роки тому +1

    Well done, great video, very professional and easy to follow.

  • @ozskipper
    @ozskipper 3 роки тому

    Omg... An internet mechanic that doesnt wear gloves... I salute you sir!! Youre a real mechanic.

  • @macmac369
    @macmac369 11 років тому

    Terrific instructor. U must be a professional marine mechanic.

  • @danielbukacek6516
    @danielbukacek6516 9 років тому

    Best video i've seen on changing a water pump. very useful/competent

  • @daysleeperdoc1
    @daysleeperdoc1 10 років тому +1

    Excellent video! My force 120HP is exactly the aame as the featured Merc. Outstanding detail.

  • @anaranjado08
    @anaranjado08 8 років тому

    Thank you for posting. With your help I just replaced the impeller on my Mercury 90hp 2 stroke.

  • @levicave4473
    @levicave4473 Рік тому

    Great video. I’ll be doing mine this weekend. I just got a 2001 125 Mercury.

  • @Erated78
    @Erated78 6 років тому

    Great vid, well done and nicely explained. I recently learned that Honda 40hp OB flywheel/shaft turns counter clockwise where upon we also discovered that someone incorrectly installed the impeller meaning the impeller splines "scooped" not "swept" the water. Not sure if you know what I mean. I plan to replace the impeller on my 2004 125hp merc shortly so thanks for this video.
    Cheers

  • @chriswenberg4823
    @chriswenberg4823 Рік тому

    Thanks for this tutorial. I have used this many times.

  • @pamevans3587
    @pamevans3587 4 роки тому

    Great video! My husband really needed this.

  • @jasoncady
    @jasoncady 13 років тому

    @OutboardAdvice
    I am in the process of doing a Mercury 50 and on my motor there is a nut that you have to loosen on the shift linkage. It is on the front side of the lower unit and is accessible prior to loosening the other 5 bolts holding it in place. I had the same problem as another person here where it only dropped down about and inch or too unit I disconnected the shift linkage. Hope this helps someone else with a similar motor in the future. Great video by the way.

  • @raymondgroves3173
    @raymondgroves3173 7 років тому

    Thanks for your information. I have seen factory produced videos that were no this good.

  • @filipinainthelandofmilkand9205
    @filipinainthelandofmilkand9205 5 років тому

    Thanks. This video is well done and should make my impeller change much easier with no guess work. Great video!

  • @steverichmond9993
    @steverichmond9993 6 років тому

    Thanks for making this video! It helped me change my water pump for the first time. Great job!

  • @petieohalloran
    @petieohalloran 13 років тому

    @OutboardAdvice thnx mate for that information, you are the only one who could give me results on the problem.your a wizard

  • @tearbear8439
    @tearbear8439 8 років тому +1

    Awesome Video. Not as hard as I thought it might be. Thanks.

  • @markdm180
    @markdm180 12 років тому

    Thank you very much for the video. It was very informative and made changing the impeller a breeze.

  • @WolfDogs
    @WolfDogs 11 років тому

    Nice video clip. It saved me money taking it in to the shop.

  • @rickolson1220
    @rickolson1220 3 роки тому +2

    Very helpful. I have an older 1974 Mercury 115 6cly outboard. Would there be any difference in parts or assembly?

  • @SeabassOutdoors
    @SeabassOutdoors 12 років тому

    we need more people like you in this world

  • @johndoe-uf9pu
    @johndoe-uf9pu 8 років тому

    good vid with a good camera positions, the rv silicone to prevent the exhast gasses is one of my problems. thx for the info

  • @zgetz444
    @zgetz444 13 років тому

    Awesome job with explaining how to do this job, it almost looks easy.

  • @shaunjones3119
    @shaunjones3119 9 років тому +11

    Well made video. Good job, thank you so kindly and keep up the great attitude!
    Cheers

  • @Nifetco
    @Nifetco 4 роки тому

    Great advising Video and great performance. Thanks from Greece.

  • @wirednomore
    @wirednomore 4 роки тому

    Thanks for taking the time. Very helpful

  • @ceisarsrepair7958
    @ceisarsrepair7958 3 роки тому +1

    Did we miss the part of disconnecting shift linkage First? Not sure how to do that part. Mid 80s 75hp 2 stroke. Please explain shift linkage unhook
    Thank you

  • @vbarranch4424
    @vbarranch4424 3 місяці тому

    This is THE GO TO tutorial!!!!

  • @OutboardAdvice
    @OutboardAdvice  13 років тому +10

    Thanks everyone for the great feedback and comments, really appreciate it. This was my first tutorial video so its a bit budget.
    I do plan to do more maintenance videosbut have been busy with work. If you do want to get notified about new videos you can subscribe to me.

    • @bbreede1
      @bbreede1 4 роки тому

      I'm about to do this on my 1996 90HP Merc. I have a question. I've read to put it in forward from the start, then move to neutral before reinstalling. Is that correct? Thanks!

  • @ChrisKane-et9dc
    @ChrisKane-et9dc Рік тому

    Simple and to the point, Very good info, thanks

  • @waynedevenny2599
    @waynedevenny2599 8 років тому +1

    very well explained, good video footage and some smart tips. Thanks Geoff

  • @universal1star
    @universal1star 2 роки тому

    Good Onya Geoff……… needed those tips 😊👌👍

  • @Philiphfisch
    @Philiphfisch 12 років тому +2

    Very good vid!!
    Thank you from Italy.
    I'll do on my engine next week.

  • @Sveaisland
    @Sveaisland 4 місяці тому

    Excellent video. Thank you man.

  • @biganos4780
    @biganos4780 11 років тому +1

    Thank you for posting this video! Merci pour cette vidéo très didactique.

  • @deboralacreta
    @deboralacreta 11 років тому

    awesome video. gives me the confidence to go ahead with this repair.

  • @rchenderson2000
    @rchenderson2000 13 років тому

    Great video. thanks for posting. Just what I need to rebuild the water pump. thanks again!!!!!

  • @davemacdonald892
    @davemacdonald892 Рік тому

    This was great. Thanks Geoff.

  • @chopemupgood
    @chopemupgood 11 років тому

    When applying silicon should I let it get tacky before putting back together or should I do it wet/tacky? Then how long should I let it dry before running it? Thanks, the video was the bomb for me, saved me mucho dollero!!

  • @paullightfoot6020
    @paullightfoot6020 3 роки тому

    FANTASTIC TUTORIAL THANK YOU

  • @jerrymagri7164
    @jerrymagri7164 5 років тому

    excellent video , very easy to understand , thanks

  • @tommyolsen4315
    @tommyolsen4315 3 роки тому

    Really great video. I`m about to change the impeller on my 75HP Optimax. But some people also put some silicon on the seal kit on the impeller house, is that really necessary? I thought the metal seal and paper seal should do the sealing itself.

  • @MrCadbury2
    @MrCadbury2 12 років тому

    thank god I found your clip keep up the good work Im off to do my motor now

  • @tristanmccauley2318
    @tristanmccauley2318 3 роки тому

    I have an older mercury 1992 100hp im assuming its a pretty similar procedure? My overheat buzzer went off first time in 10 years, I noticed the pressure out of the tell-tale was alot weaker than normal.

  • @OutboardAdvice
    @OutboardAdvice  13 років тому

    @petieohalloran The pressure relief valve is a valve that 'pops' off it seat when the engine rpm is increased which increases the water pressure. It bypasses the thermostats etc and make the motor run cool at higher rpm. It has a rubber grommet that gets squeezed in by salt build up and pinches on the plastic valve. There is also a diaphragm that needs servicing/replacing if it is stretched, perrishing or gets a hole in it.

  • @OutboardAdvice
    @OutboardAdvice  11 років тому

    Thanks mate... All outboards are very similar yes. The only real difference is how many bolts (and where they are) that hold the gearbox on. I think from memory your motor will have four bolts, and a nut at the front.
    The other difference is the gearshift. The 90 in the video has a splined gearshift. Your motor will need the gearshift disconnecting to remove the gearbox. I think your gearshift disconnects above the gearbox at the front of the motor. Look for a shaft that is threaded.....

  • @b0wlez
    @b0wlez 5 місяців тому

    This video really helped me! 😊👍

  • @moneycounsel6619
    @moneycounsel6619 10 років тому

    Thanks! I wonder how much money you have saved people like me. One less trip to the marine mechanic.

  • @ericx122
    @ericx122 3 роки тому

    Oldie but goodie, thanks a lot!

  • @johngorton7616
    @johngorton7616 3 роки тому

    Great video mate. Before removing it, you dont mention if the gearbox should be in nutral or in gear?

  • @mtsaz100
    @mtsaz100 6 років тому

    Great video- very simple- clearly explained and demonstrated and thorough. Great job! One question, I have 2007 optimax 115---how much does that lower unit weigh? I don't have a jig to stand it up in- so I would either need to hold it or get someone to hold it while I changed the impeller. its probably not smart to stand it up on the skeg- right? THANK YOU

  • @AC-mk5tm
    @AC-mk5tm 4 роки тому

    I changed mine... no problems BUT... I had oil coming out from somewhere. My question is where was the oil from and how can I prevent it from happening again? Thank

  • @davidstrider2007
    @davidstrider2007 2 роки тому

    Excellent video Geoff! Thank you. I Have an 89' 40hrspr 2 stroke 4 cylinder merc. Could i follow the same steps or is this specifically for the classes of motor noted? Thanks again!

  • @jenna1314
    @jenna1314 2 роки тому

    Left out a very important bit of info....i.e. How does the gear shifter come apart?

  • @spthurston
    @spthurston 11 років тому

    Thank you so much for the feedback! I have the seals and I am going to replace them, I'll also check the pressure. You're too kind

  • @carlosdosreis5196
    @carlosdosreis5196 8 років тому

    GREAT VIDEO!!!! Thanks for the detailed explanation and tips.

  • @bethpajkos1046
    @bethpajkos1046 9 років тому

    Thanks for the video. I have a 1982 Ventura Vendetta with a 115 hp Mariner outboard. It has been sitting (covered) for over a decade. Would there be many differences between changing the impeller on the 115 hp Mariner and the one you show in the video?

  • @Unrelenting1
    @Unrelenting1 12 років тому

    Your my new best friend. Wow, that wasn't hard at all. Thank You for that!

  • @anthonygodfrey6131
    @anthonygodfrey6131 9 років тому

    Thank you for a very informative, and well explained video.

  • @Makeshift-garage
    @Makeshift-garage 8 років тому

    Thanks bro your video gives me some good direction, I'll let ya know how I make out :)

  • @Andy-oz8zy
    @Andy-oz8zy 10 років тому

    Thanks for the great video. I see in the video you use the quicksilver kit. When I go to Mercury's parts finder it does not show me the kit item number, just the impeller. How do you find the part numbers for the kits? I have a 1996 115 HP 2+2 serial# 0G386904. Thanks.