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  1. #1
    Minmin's Avatar
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    Sucked up rocks = broken plastic bits on pump shoe

    Hey guys, went for a ride today and sucked up some massive rocks. Enough to stop my ski from starting as there was rocks wedged in between the wear ring and each of the 3 blades. Got home and pulled the pump and got the rocks out. Ski starts and runs fine now.


    Question is, those plastic fins that direct the water into the prop/pump are damaged..well some of them anyway.

    Any suggestions on what to do from here? Cut/grind them all off? I don't really want to replace my whole pump shoe for that.

    Cheers for your help


  2. #2
    MSRXP's Avatar
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    I would replace the pump shoe. In my research, the veins direct water up and through the pump and help to reduce cavitation. I think if you want to be safe, you should replace the pump shoe. However, it is preference completely unless there are cracks or other damage you can see. You might notice a little bit of handling issues at high speeds but usually unlikely. IMO it should be changed.
    Here's the thread on pulling the pump shoe.
    http://www.greenhulk.net/forums/show...t=14749&page=1

  3. #3
    Swedish Viking Craigo's Avatar
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    Cut them and smooth it out.

    Quote Originally Posted by Minmin View Post
    Cut/grind them all off?
    YES!

    I can't begin to count how many threads I've read where riders end up doing just that. It won't affect your ski at all, and I think some people do it for fun.

  4. #4
    RXP rider's Avatar
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    I had the same problem on my ski. I just removed all of them and I can't feel any different at all.

  5. #5

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    Did the same thing once (bit more carefull now).couldnt start it and i was about 20kms up the river just me and the crocs ,just kept on tapping the start button till they cleared enough to start. when it did it chewed up what was left of the rocks . ended up getting home 15mph slower than before. I was more worried about the prop shaft than anything , the prop was *#+$ed , broke half the plastic fins off the intake side of the prop and about 1/2 an inch off the alloy fins on the outlet side . All i did was sharpen up the broken bits before and after the prop ,fitted a new prop and wear ring and it was good as new .

  6. #6
    Minmin's Avatar
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    I was 100m from a boat ramp so got a tow back...then my gf went back to the ramp we launched at on a mate's ski (1hr ride) and drove the car down to the ramp I was at

    Saved what would have possibly been a 2hr tow

    Thanks guys, will get the fins cut off

  7. #7
    dnielsen's Avatar
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    Cut the fins, no adverse affects....., check the prop and wear ring real good. I would suspect both are dammaged. It only takes a mm of prop bend to cause performance issues.

  8. #8
    Moderator Snoman's Avatar
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    Quote Originally Posted by dnielsen View Post
    Cut the fins, no adverse affects.....
    +1...Cut them ALL out..replace your wear ring and prop,check your carbon seal for debris grooves and call it a day...

  9. #9
    Minmin's Avatar
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    Quote Originally Posted by Snoman View Post
    +1...Cut them ALL out..replace your wear ring and prop,check your carbon seal for debris grooves and call it a day...
    Will do, good excuse for x charger and 15/20 upgrade now

    One other thing..upon pulling the pump I noticed that the driveshaft can move about an inch or so up and down without the pump attached. Any issues there? I don't recall it moving before..but my memory of that isn't that good.

  10. #10
    A smart admits!A wicked excuses!An idiot insists! mitsakosgt's Avatar
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    no problem at all
    driveshaft can do up-down about an inch or so!

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