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Can't remove old impeller

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  • #1

    Can't remove old impeller

    Hello all,

    I can't seem to get the impeller to spin free of the drive shaft on my YAM WRIII GP.

    I asked to be sent any tools I needed to remove my old impeller from Parker Yamaha when I ordered my parts. Looking at the impeller it seems to use some other tool on the and not the tool that came with the replacement Solas impeller. So what I did is probably not very conventional, but I'm tired of nothing working out for me. I grinded the old impeller down so I can use an adjustable wrench on it, but I still cannot break it free even with two people.

    I'm letting it soak in lubricant at this point. I'm losing hope. I'm worried that I'm going to bend the shaft if I try to force it.

    Any suggestions would be very appreciated.

    -Chris
    Tags: None
  • #2
    Re: Can't remove old impeller

    I had the same problem on my FX140 so I followed the advice of another and added some heat to the impeller with a propane torch. After doing this it came loose with the help of someone else pulling on the wrench. Since you already have it ground down then I figure heat won't hurt. Heat the outside of the impeller around the threads just don't overheat the shaft too much. Afterwards make sure you clean the threads on the shaft and maybe see about adding an anti-seize lubricant before putting on your Solas. If someone else has a better idea then let us know.

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    • #3
      Re: Can't remove old impeller

      you're on the right track. get that thing smokin hot, then spray some pb blaster onto it and let it sink in a little and yard on it!!!. sometimes i wonder what yami was thinkin when they did that.

      oh yeah, buy a pump seal kit, youre going to need it. :)
      <a href="http://www.wetwolf.com/" target="_new"><img src="http://www.wetwolf.com/images/hurrsigpic.gif" width="400" height="100"></a><br /><br />Bruce Wolford<br />Wet Wolf Technologies - Purveyor of Performance Pump Parts<br />(509) 280-5444<br /><a href="http://www.wetwolf.com" target="_blank">Wet Wolf Tech</a><br /><br />PWC Race Director<br />Northwest Water Competition<br /> <a href="http://www.nwh2oracer.com/ijsba" target="_blank">http://www.nwh2oracer.com</a>

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      • #4
        Re: Can't remove old impeller

        Thanks for the response guys.

        I'll give it another shot before I take it to somewhere to have it done.

        What is PB Blaster? Never heard of it.

        -Chris

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        • #5
          Re: Can't remove old impeller

          Did anyone mention it has left hand threads?
          Bill O'Neal <br>
          WCM
          <a href="http://www.watercraftmagic.com"

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          • #6
            Re: Can't remove old impeller

            I know that it does from the svc. manual. So that means that if I am on the front side of the impeller I would turn it clockwise, correct?

            Comment

            • #7
              Re: Can't remove old impeller

              What would a pump seal kit consist of? I purchased the o-rings, oil seals, and nose cone when I bought the impeller.
              Thanks,
              Chris

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              • #8
                Re: Can't remove old impeller

                Also make sure you get the seal for the whole pump. If there is water entering the pump at the seal (where the two pieces go together) you would not get the full speed of the ski.
                Leon Phelps and Ashy Larry, a team made in heaven.

                Comment

                • #9
                  Re: Can't remove old impeller

                  PB Blaster is a penetrating spray designed to loosen up stuck bolts.
                  <a href="http://www.wetwolf.com/" target="_new"><img src="http://www.wetwolf.com/images/hurrsigpic.gif" width="400" height="100"></a><br /><br />Bruce Wolford<br />Wet Wolf Technologies - Purveyor of Performance Pump Parts<br />(509) 280-5444<br /><a href="http://www.wetwolf.com" target="_blank">Wet Wolf Tech</a><br /><br />PWC Race Director<br />Northwest Water Competition<br /> <a href="http://www.nwh2oracer.com/ijsba" target="_blank">http://www.nwh2oracer.com</a>

                  Comment

                  • #10
                    Re: Can't remove old impeller

                    You can see a picture of the can here http://www.clean4less.com/Product/Re...an-eqPB%201007This stuff is the best nut buster on the planet.
                    Any auto store should have it. We use this stuff exclusivley in work on rusted snow plows that sat all summer.

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                    • #11
                      Re: Can't remove old impeller

                      Originally posted by leon phelps
                      Also make sure you get the seal for the whole pump. If there is water entering the pump at the seal (where the two pieces go together) you would not get the full speed of the ski.
                      I don't understand.

                      Do you mean the felt packing around the Intake Duct? Where what two pieces go together?

                      Sorry for not understanding. I'm still new at working on ski's.

                      Update: I did get the impeller off. I think I was heating it up in the wrong place. The threads are towards the middle of the impeller. I was originally heating the frontside of it.

                      Thanks,
                      Chris

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                      • #12
                        Re: Can't remove old impeller

                        Could anyone clarify Leon's previous post for me. I want to get this thing in ASAP?

                        Thanks,
                        Chris

                        Comment

                        • #13
                          Re: Can't remove old impeller

                          Where the front of the pump goes on.

                          Try part number 6R7-51117-01-00 under the pump 1 diagram from yamaha motor website for 1991 wrb650.

                          Part is muy importante.
                          Leon Phelps and Ashy Larry, a team made in heaven.

                          Comment

                          • #14
                            Re: Can't remove old impeller

                            It is nice to know you were actually making it more difficult to remove the impeller by swelling the metal shaft up by heating it. This would make removal impossible.
                            Leon Phelps and Ashy Larry, a team made in heaven.

                            Comment

                            • #15
                              Re: Can't remove old impeller

                              My 94 WRIII doesn't have a seal on it. It looks like there was some kind of white silicone sealant on it. No gasket either.

                              So I guess I should be ok with the parts I have.

                              Thanks for all the help.

                              Comment

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