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  1. #1
    h2jim's Avatar
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    2017 GP1800 prop removal

    Broke 2 vices. Just tried the breaker bar under the truck tire trick and broke the breaker bar. Wtf?! Can it be heated?


  2. #2
    speeder's Avatar
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    Jesus. You need to video this!

    Heat up the impeller.

  3. #3
    I have used heat in the past and it kind of helps. Its hard to heat the threads, most of the heat ends up in the hub. It slowly works it way to threads.

    I also built some ugly looking tools last time. They work great.

  4. #4
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by h2jim View Post
    Broke 2 vices. Just tried the breaker bar under the truck tire trick and broke the breaker bar. Wtf?! Can it be heated?
    3/4" drive breaker bar?

    1/2" drive socket is highly stressed, whether the breaker bar fails or breaks the impeller loose can depend on tool quality. I recommend 3/4" drive

    Reminder - you are turning the impeller in the correct direction to loosen?

    http://greenhulk.net/forums/showthre...=1#post2881871

    http://greenhulk.net/forums/showthre...=1#post2953594

    http://greenhulk.net/forums/showthre...=1#post2888229


  5. #5
    h2jim's Avatar
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    Quote Originally Posted by K447 View Post
    3/4" drive breaker bar?

    1/2" drive socket is highly stressed, whether the breaker bar fails or breaks the impeller loose can depend on tool quality. I recommend 3/4" drive

    Reminder - you are turning the impeller in the correct direction to loosen?

    http://greenhulk.net/forums/showthre...=1#post2881871

    http://greenhulk.net/forums/showthre...=1#post2953594

    http://greenhulk.net/forums/showthre...=1#post2888229

    I've done this dozens of times. Never broke a vice in the past.

  6. #6
    Work Harder, Millions on Wellfare Depend On Us! ultramaxracing05's Avatar
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    Jim my 2017 had the threads galled, yamaha did not add any type of thread lubricant on the shaft, I had to get a new shaft. And yes I turned it the correct way.

    The newer yamahas do have what looks like a white lithium grease, I have removed several now and wish they done that to my 2017.

    Good luck. Be careful heating the impeller too much, you will ruin the pump seals.

  7. #7
    h2jim's Avatar
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    Quote Originally Posted by ultramaxracing05 View Post
    Jim my 2017 had the threads galled, yamaha did not add any type of thread lubricant on the shaft, I had to get a new shaft. And yes I turned it the correct way.

    The newer yamahas do have what looks like a white lithium grease, I have removed several now and wish they done that to my 2017.

    Good luck. Be careful heating the impeller too much, you will ruin the pump seals.
    Thanks. My fear with the heat is wrecking the pump.

  8. #8
    h2jim's Avatar
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    Well I just tried the heat thing and broke another breaker bar! Looks like it's time to invest in a 3/4".

  9. #9
    raiderx72's Avatar
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    This what I came up with.. After breaking 2 vises.. Best thing I did. Click image for larger version. 

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  10. #10
    svhokid's Avatar
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    Always worked for me this way
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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