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Nasty Vibration under load

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    #16
    making sure the prop has as much of a contact patch with the shaft as possible. Like lapping the valves during the valve job on an engine head

    About 32 ftld i think.
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      #17
      Dumb newbie inboard owner question...shouldn't the nut be up against the prop?

      And that prop doesn't look good my friend. I've had i/o props and jet impellers redone that looked much prettier than that.

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        #18
        Well, I definitely think that's your culprit. Hopefully you can get a new prop on that boat to confirm that's the problem, but I'm about 99.9% sure that's the source of your vibration.


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        2009 RZ2, PCM 343, MLA Surf Ballast, Premium Sound.
        2013 Toyota Sequoia 4WD W/Timbren SES

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          #19
          Nasty Vibration under load

          [emoji15][emoji15][emoji15][emoji15][emoji15][emoji15] damn. Sorry for the emojis but I'm in shock still. So which boat mechanic had this and thought that was okay? So glad you found the forum man. If I were you, I wound Never ever take your boat to them again. At least you know the problem now! Just a 6-800 dollar prop. [emoji12]
          Last edited by h2osk8er00; 08-30-2016, 11:37 AM.

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            #20
            You could always send it to Precision Props in Surrey. https://www.precisionpropeller.ca/ I've had three repairs done over the years and never had an issue once put back on.

            Ya, I agree. That prop still doesn't look right.

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              #21
              That repair looks suspect man... Get a 2315

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                #22
                Ummmmm....wow. I stand by my "they must hire 7th graders" comment when it comes to some shops.

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                  #23
                  This instruction sheet came from acme. It is good advice for everyone when replacing a prop. I about spit my lunch on my screen when I saw the nut loose!
                  35 foot pounds of pressure is what they say. I am a big fan of a thin layer of grease. It makes removing it much easier next time.

                  My money is on the thought that a new prop is in JohnnieMO's future and it will solve all of your problems.

                  Prop%20Puller%202.JPG
                  Be excellent to one another.

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                    #24
                    Originally posted by talltigeguy View Post
                    This instruction sheet came from acme. It is good advice for everyone when replacing a prop. I about spit my lunch on my screen when I saw the nut loose!
                    35 foot pounds of pressure is what they say. I am a big fan of a thin layer of grease. It makes removing it much easier next time.

                    My money is on the thought that a new prop is in JohnnieMO's future and it will solve all of your problems.
                    Good find! Are you going to make it to Mead? And if so see my Koozie post! Even though you own a different boat I know you might want one...

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                      #25
                      Well the dealer seems to feel that the prop is my issue having seen the same pictures that you all did. However there is no warranty on the repair.

                      I am going to take this prop to a local shop I trust and have them assess it. They did my old 537 repair once and did a fine job. (it hit the trailer bunk and folded pretty good... but that is another story) They are in Airdrie, AB and called Prop Masters. I talked to them and they said they can take out about 1" of pitch from my prop. So perhaps I can just do that instead of getting a new one. I don't exactly have the $800+ to spare.

                      I'll post their feedback when I get it.

                      I must admit - I am happy that a new propeller might fix this entire problem. It has been nagging me all year. However I have some growing concern over the competency of my service department.


                      Here is a pic of the old 537 that is good as new. As you can see, I am hard on propellers.

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                        #26
                        These photos are a perfect example of why I do as much of my own service work on my watercraft as I can.

                        What amateur "repaired" that prop?!?

                        What shop thinks that prop install is correct?!?

                        What dealer gets "two cracks at this with no luck" and never looks at the propshaft, strut, and propeller... when you're diagnosing a vibration problem that varies with load?!?

                        Anyone with any competence at all would have STARTED at the prop and worked forward. And they would have seen what those photos reveal so clearly. This should have been diagnosed in five minutes, tested in an hour with a borrowed prop, and fixed in a week when the new or repaired prop was properly installed if they didn't already have one in stock.

                        OMFG

                        We need a BARF icon.

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                          #27
                          Originally posted by IDBoating View Post
                          These photos are a perfect example of why I do as much of my own service work on my watercraft as I can.
                          I agree. I hate being a newb with these inboards. It sucks. I have slowly been ramping up my knowledge, shop and tools to take on all my automotive and boat repairs myself. However when under warranty I try to stick with the dealer. I've been through two of them now and had my share of issues. It hasn't all been bad, but there are sure some head-scratchers.

                          Boat goes off warranty in October.... so I will start my own serving then.

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                            #28
                            Originally posted by IDBoating View Post
                            These photos are a perfect

                            What amateur "repaired" that prop?!?

                            What shop thinks that prop install is correct?!?

                            What dealer gets "two cracks at this with no luck" and never looks at the propshaft, strut, and propeller... when you're diagnosing a vibration problem that varies with load?!?

                            Anyone with any competence at all would have STARTED at the prop and worked forward. And they would have seen what those photos reveal so clearly. This should have been diagnosed in five minutes, tested in an hour with a borrowed prop, and fixed in a week when the new or repaired prop was properly installed if they didn't already have one in stock.

                            We need a BARF icon.
                            In fairness to them, they did align the boat, replace the faulty distributor cap, and verified the shaft was true. How they didn't notice the propeller was the problem is beyond me. I actually asked them to look at it, as I was suspicious, but they never told me it was the problem.

                            I will put my 537 back on and test. That should give me a result one way or another.

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                              #29
                              New props are about $500. Used half that. Get a new prop.

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                                #30
                                IMO you should definitely just get a new prop... Having one re-surfaced will not guarantee anything and could prove to be a waste of money.. and they usually charge half the price of a new one too... I get that money is tight.. Maybe you can pinch some pennies somewhere else though... So how did you do this to your prop.. twice? I get being a newb.. I still consider myself that and I have been boating since a tike. You never wanna get cocky on the water.. but you have had the boat for a while now, right? Do you boat in a crazy lake/river with lots of debris?

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