How to Change the Lower Unit Prop Shaft Seals (Yamaha 150hp)

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  • čas přidán 19. 03. 2022
  • In this video we show you how to change the lower unit prop shaft seals and then put a new propeller on. Removing the seals is very stressful, but once taken off, the rest was easy. As always thanks for watching and we hope to see you soon!
    Link to the seals on Amazon (paid link): amzn.to/43MB5oo
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Komentáře • 72

  • @joseph87328
    @joseph87328 Před rokem +8

    At the least he is trying to show people how to get the job done. In the northeast, I simply gave up on so many of the idiots that call themselves mechanics for $120/ hour that just create additional problems or simply don't know what they are doing in the first place. I bought a Yamaha book and learned myself, along with reviewing a couple videos on the same topics and using common knowledge to do a repair. At least I know that I made the mistake, give the guy a break. That was 10 years ago on a 30-foot Grady with twin 250, s , still running strong.

  • @ezio8591
    @ezio8591 Před 2 lety +1

    great video, a note for everyone to remember is even if it looks good, doesn't hurt to test. The seals looked fine superficially but crapped out. Appearance isn't everything!

  • @northpoletrucker4711
    @northpoletrucker4711 Před rokem +1

    Very helpful video for DIY !Thanks!

    • @JKFishingYt
      @JKFishingYt  Před rokem

      Glad you found it useful. Decided to share our attempt at replacing it with others in hopes of possibly helping people who are also in the process of changing their seals. 👍

  • @donnier3284
    @donnier3284 Před rokem +1

    Nice job guys! I just did my upper shaft seals, prop shaft seals, thermostats, water pump, timing belt and fuel hoses. Now I have to get it in the water for a sea trial.

    • @JKFishingYt
      @JKFishingYt  Před rokem

      Thanks, no better feeling than getting repairs done by yourself and getting out on the water to enjoy your work.

    • @donnier3284
      @donnier3284 Před rokem +1

      That's right! You were very thorough with your video! I just wanted to thank you for posting it.

    • @JKFishingYt
      @JKFishingYt  Před rokem

      Appreciate that…there is always more we can learn but it’s nice to put a video like this out there to see if it can help someone else!

  • @MikeSsuncoasttrains
    @MikeSsuncoasttrains Před 2 lety +2

    Great idea on the air compressor. Just found milky oil in my mercruiser drive. Gonna try this.

    • @JKFishingYt
      @JKFishingYt  Před 2 lety

      Sounds good, good luck with the repair

    • @MikeSsuncoasttrains
      @MikeSsuncoasttrains Před 2 lety

      @@JKFishingYt well hooked up the air and it broke off the nozzle. I guess I dont have a leak. Must have been the drain plug gaskets they were rough. Now just the u joint bellows has some chaffing from the water line.

  • @zoran1511
    @zoran1511 Před rokem +2

    One note guys. Be carefull with pipe during fitting back, U should find pipe to press outer ring of the seal bcs it is hard part of it,inner part is vulnerable to metal pressing,also U can damage spring which hold inner ring of seal to prop shaft. Great work by the way!👏👏👏

    • @JKFishingYt
      @JKFishingYt  Před rokem

      Thanks for the advice! As we said earlier we are nowhere near experts and we love hear feedback like this that we can use further down the road 👍

  • @saintEmory
    @saintEmory Před 2 lety

    Don’t forget the anti-seize on the spindle of the propeller. Great job!

    • @bobbeckstead8340
      @bobbeckstead8340 Před rokem +2

      Lithium grease - antiseize is for bolt threads.

    • @lsumaniac2485
      @lsumaniac2485 Před rokem

      ​@Bob Beckstead Come on man are you being serious, nickle or copper anti seize is used for so much more than just bolts

    • @koltonrhys2633
      @koltonrhys2633 Před rokem +1

      @@lsumaniac2485 as a tool & Die maker, don’t use anti seize here

    • @antho7475
      @antho7475 Před 11 měsíci

      ​@@bobbeckstead8340anti seize on anything that can seize together and won't wash out

    • @bobbeckstead8340
      @bobbeckstead8340 Před 11 měsíci

      @@antho7475 Willful ignorance or mental laziness?

  • @brianwilliamson4578
    @brianwilliamson4578 Před rokem +4

    You "can" remove those 2 seals like that if done very carefully. Do "not" use a compressor though to test. A cheap pressure tester is available and won't blow out a good seal. Also if you need to replace the main large seal you will 100% need the correct tools to access it.

    • @JKFishingYt
      @JKFishingYt  Před rokem +1

      Yes we have had that feedback. I’m future we will get the proper tools and do a proper pressure test. Thanks for your response

    • @antho7475
      @antho7475 Před 11 měsíci

      Butchers doing things incorrrectly

  • @scottsluggosrule4670
    @scottsluggosrule4670 Před 5 měsíci

    Are the springs not needed? Did you just forget while making the video...just let us know please. Good video.

  • @roberg401
    @roberg401 Před měsícem

    Con cuantas horas se cambian esos sellos? Gracias

  • @jimt7915
    @jimt7915 Před rokem +3

    Did you reinstalled the retainer spring?

  • @tonybruno7848
    @tonybruno7848 Před rokem +7

    Any pressure over 12 psi and if it wasn't leaking before it is now.

    • @JKFishingYt
      @JKFishingYt  Před rokem +1

      Never went over 10 psi with the compressor as we had a gauge on it

    • @antho7475
      @antho7475 Před 11 měsíci +2

      vacuum test also

  • @MiHobby_PR
    @MiHobby_PR Před 4 měsíci +1

    great great great thanks

  • @gastolavo
    @gastolavo Před 10 měsíci +1

    Hola colocaste los dos retenes con el mismo sentido, en este casi los dos impiden que entre agua hacia el interior de la pata pero no impide que salga aceite hacia afuera... lo correcto a mi parecer seria colocarlos entra sentido uno y otro...

    • @carlosgarcia-kz1kp
      @carlosgarcia-kz1kp Před měsícem

      En el manual de taller de Yamaha van los dos en el mismo sentido.estan puestos correctamente

  • @fishawk90
    @fishawk90 Před rokem +2

    I blew my seals the exact same way. Only 10 psi u suppose to put it but the inflator does it too fast.

  • @brianstarr1160
    @brianstarr1160 Před rokem +1

    We're did the spring go

  • @bayardtaylor2990
    @bayardtaylor2990 Před rokem

    What about shift and upper drive shaft

  • @Gonzalo47958
    @Gonzalo47958 Před 10 měsíci +1

    Has puesto el primer sello al revés. Si le metes presión a la cámara de engranajes verás que sale aceite porque lo has colocado mal.

  • @scotcolt2421
    @scotcolt2421 Před rokem +1

    why did you cut out a part when taking out the second seal
    was there an issue ?

    • @JKFishingYt
      @JKFishingYt  Před rokem +1

      I can’t remember as to exactly why we did but there probably wasn’t an issue with it or else we would have mentioned it. Maybe just to save time as the video was already over 20 minutes long.

    • @scotcolt2421
      @scotcolt2421 Před rokem +1

      @@JKFishingYt thanks the video was very helpful

  • @Salvlox
    @Salvlox Před rokem

    Ogni molla è stata inserita nuovamente? Non si vede dal video

  • @hswing11
    @hswing11 Před 4 měsíci +1

    WHAT ABOUT THE NEW IMPELLER

  • @Gonzalo47958
    @Gonzalo47958 Před 10 měsíci +1

    No hiciste la misma prueba con el aire a presión cuando acabaste el trabajo. Así te habrías dado cuenta que estás colocando mal los retenes. Te vas a quedar sin aceite en cuanto salgas varias veces por efecto de la contracción dilatación de los materiales y del aceite.

    • @carlosgarcia-kz1kp
      @carlosgarcia-kz1kp Před měsícem

      Mírate el manual de taller y verás que están puestos correctamente

    • @Gonzalo47958
      @Gonzalo47958 Před měsícem

      Cierto. Entonces no tiene sentido poner presión porque siempre saldrá aire por los dos retenes.

  • @bobbeckstead8340
    @bobbeckstead8340 Před rokem +1

    You must NOT score the shaft - as you said. But, you must NOT score the wall of the housing either or the new seals can leak. Pounding a screwdriver between the sealing ring and the housing is an absolute NO-NO. BTW, both seals face the same direction - the groove faces the prop.

    • @hrvojelasic5794
      @hrvojelasic5794 Před 11 měsíci

      I was thinking the same. What would be the diameter of those screws used for gasket removal?

  • @mohamedsameer2922
    @mohamedsameer2922 Před rokem

    Hello friends
    Can any one tell me the dimension of the seal

    • @JKFishingYt
      @JKFishingYt  Před rokem

      I really don’t know the dimensions. The specs for your motor should show it.

  • @user-np8jg9gg5j
    @user-np8jg9gg5j Před rokem

    I need change filter oil

  • @louissparks2496
    @louissparks2496 Před 5 měsíci

    That's not a dry-wall screw. Dry-wall screws are much sharper and more tapered.

  • @brian1715
    @brian1715 Před 10 měsíci

    You will damage those seals driveshaft and prop if you go much over 10-15psi max so I would never do that air compressor thing again get a mighty vac. All seals face out on yamaha

  • @topomoto01
    @topomoto01 Před 2 lety +6

    Thank you for showing everyone how to screw up your lower unit. there are tools for that and the lower unit needs to be removed. How are you going to know ig the shift shaft seals and drive shaft seals are good? and an air compressor is way to much pressure to test the lower unit. All for views and absolutely no knowledge whatsoever .

    • @johnbarnett1152
      @johnbarnett1152 Před 2 lety

      You or so right

    • @moonpiespotlight4759
      @moonpiespotlight4759 Před rokem +1

      He tried, but it's unsettling when someone does a tutorial when it's their first time and you can tell they are guessing.

    • @JKFishingYt
      @JKFishingYt  Před rokem +1

      Correct me if I am wrong, but did we not say this is our first time attempting this repair and that we are open to feedback? Don’t understand why people fail to hear that part. It’s a process of us attempting it ourselves and seeing what we need to fix or improve on in hopes that someone else may have done the same thing incorrectly.

    • @lsumaniac2485
      @lsumaniac2485 Před rokem +5

      ​@@JKFishingYt Dude I run a channel as well and no matter what you ever say or do you will have haters like the ones above

    • @JKFishingYt
      @JKFishingYt  Před rokem +2

      Appreciate it man…comments like these that really make our day. Lots to learn ourselves but why not share our experiences with others and see what happens. We will definitely give your channel a look!

  • @williamrutherford9499
    @williamrutherford9499 Před rokem +1

    Many things wrong with this video. Air compressor bad, screwdriver on outer wall (dent on wall or shaft will cause seal to leak). This DIY could cost you hundreds of dollars.

  • @userok209
    @userok209 Před 18 dny

    that's dangerous

  • @jeffbrummette6357
    @jeffbrummette6357 Před 2 lety +1

    You couldn’t hear a thing you said most of the video.

  • @justingeturgun
    @justingeturgun Před 4 měsíci

    That’s deff not the plug to pump the lower unit oil in lol u pump thru the bottom.

  • @DanielSellnow
    @DanielSellnow Před 2 měsíci

    This guy does not know what hes doing!

  • @thefloridafisherman3022
    @thefloridafisherman3022 Před rokem +1

    What on gods green earth are you doing…. You forgot to label this as a joke. This has to be the worst diy ever how about you teach one good practice at all. You prob immediately blew out your seals with that stupid over pressure test. Screws to remove it!? Way to screw everything up in there. You should have had a professional do it because you’re just messing everything up. Those screws are messing everything else up too……

    • @JKFishingYt
      @JKFishingYt  Před rokem +2

      Love comments like these because the person making them has no background on why the video was made. We mention MULTIPLE times that we know we will make mistakes and that this this video is an ATTEMPT at fixing the problem ourselves. We made this in hopes of positive feedback from others because why not try it yourself. As for the pressure test, we don’t understand why viewers can’t comprehend the fact that although we used an air compressor, we made sure that the pressure was under the amount that the seals can handle. Any other problems you have with this video?

    • @lsumaniac2485
      @lsumaniac2485 Před rokem

      Dude get a damn life, instead of acting like a complete computer bully why not be a little more respectful about it and teach the right way, and by the way there is nothing wrong with using screws to remove seals if you take care not to damage the walls as I've done it countless times with motors and engines still in service today. My last question is if you're such a master marine mechanic why in God's earth are you watch a video on how to do the job. One of two things are going on here, either you don't know shit about it or you just like watching videos to in return trash others on the work they are doing.