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Thread: Replacing Water pump 80 hp Yamaha

  1. #1
    Member mudbuddy's Avatar
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    Default Replacing Water pump 80 hp Yamaha

    Replace the water pump on a feeling that it might need it.
    Bought boat/motor used, Talkeetna area.
    Was pumping water out the "P" hole ok.

    FYI
    if running on the Su drainage or other silty, muddy rivers
    "Check, ( and get the rebuild kit) go in there & look" !
    Sure glad I did.
    New ss cartridge seemed to fit in secure enough.
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  2. #2
    Member mudbuddy's Avatar
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    Default Replace water intake foot also

    Bent grate bars & big chunk missing from the side.

    New to jet drives. Learning quick.
    Black hole to throw money into. LOL

    Should I keep the old foot?
    Get it welded or just as an emergency spare?

    Any assistance on what parts to have in the boat appreciated
    Have spare nut, few spacers, old impeller & cone, nylon impeller sleeve, 2 keys.
    & now a foot.

    Thinking about ordering another new water pump repair kit to have onboard too.
    Got new parts at Ak Frontier Fab behind Sixrobblee's.
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  3. #3
    Member tzieli22's Avatar
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    Default

    Personally, have the foot repaired and keep it with you as your backup. I've been running boats for many years now and this is my must have list.
    1 Spare foot, impeller, and sleeve.
    2. Always carry a spare water pump impeller (minimum) but the whole water pump housing if you can
    3 set of plugs
    4 fuel filters
    5 backup rancor water separator (if you don't have one, put one on) and keep a spare with you
    6 J B weld
    7 marine tex
    8 duct tap
    9 shurtape
    10 tool kit that has all the basic tools you need to change all this stuff
    11 jumper cables

    i could most likely add another 10 or so things but this should get you started. The more remote you get away from people the more stuff you want to have with you.

    I'm sure others will chime in with other stuff, but this would be my minimum to have.
    Tony

  4. #4
    Member Sobie2's Avatar
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    Default

    Mudbuddy,

    Looks like you are not running a tunnel? Maybe you should invest in one of those UMHW jet foot.


    Tzieli22,

    Add a sledgehammer to the list. I have pounded my aluminum hull closed after having it get torn open/punctured by a "can opener" on the river.



    Sobie2

  5. #5
    Member mudbuddy's Avatar
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    Default

    Quote Originally Posted by tzieli22 View Post
    Personally, have the foot repaired and keep it with you as your backup. I've been running boats for many years now and this is my must have list.
    1 Spare foot, impeller, and sleeve.
    2. Always carry a spare water pump impeller (minimum) but the whole water pump housing if you can
    3 set of plugs
    4 fuel filters
    5 backup rancor water separator (if you don't have one, put one on) and keep a spare with you
    6 J B weld
    7 marine tex
    8 duct tap
    9 shurtape
    10 tool kit that has all the basic tools you need to change all this stuff
    11 jumper cables

    i could most likely add another 10 or so things but this should get you started. The more remote you get away from people the more stuff you want to have with you.

    I'm sure others will chime in with other stuff, but this would be my minimum to have.
    I have many years running the Su/Yetna but with a prop & past few years a mudbuddy surface prop motor.
    Now have a jet & in the learning stages.
    Did have a problem when I test run the motor yesterday. a burr on the impeller gouged the new cone & stalled the motor after about 15 seconds then the starter wouldn't turn it over, paddled back in. Had enough tools to pull the foot/cone & move a spacer.
    Ran ok after that.
    Do have a new water filter, installed a battery sw (I switch the negative side)
    Have most of what you mentioned above but will add more.
    Thinking dual batteries may be a good idea.
    JB weld & marine tex could be trip savers ! Good idea.

  6. #6
    Member mudbuddy's Avatar
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    Quote Originally Posted by Sobie2 View Post
    Mudbuddy,

    Looks like you are not running a tunnel? Maybe you should invest in one of those UMHW jet foot.


    Tzieli22,

    Add a sledgehammer to the list. I have pounded my aluminum hull closed after having it get torn open/punctured by a "can opener" on the river.



    Sobie2

    UMHW jet foot ?
    What is it?
    & Why?

  7. #7
    Member Bullelkklr's Avatar
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    Default

    You should always switch the positive side so ur boat don't catch afire.....always.

    I am interested in hearing about this uhmw jet foot too......

  8. #8
    Member Bullelkklr's Avatar
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    Default

    It's a plastic foot, that is really strong it sounds.....

  9. #9
    Member mudbuddy's Avatar
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    Quote Originally Posted by Bullelkklr View Post
    It's a plastic foot, that is really strong it sounds.....
    Sounds like a good deal.
    Lighter in weight?
    Got a link ? web site?

    Found this :
    http://forums.outdoorsdirectory.com/...ot-Info-Needed

    and this
    http://jetdoctor.net/1324

  10. #10
    Member tzieli22's Avatar
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    Default

    Quote Originally Posted by mudbuddy View Post
    Sounds like a good deal.
    Lighter in weight?
    Got a link ? web site?

    Found this :
    http://forums.outdoorsdirectory.com/...ot-Info-Needed

    and this
    http://jetdoctor.net/1324

    It it is exactly. But you already have the spare foot so I would use it. If you run the sue and yetna then you know. Prop = cotter pins and props! jet is foot and impellers. All the other stuff is because you'll get into real skinny water... The list can be a mile ling if we want... Lol.
    Tony

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