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  1. #1

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    Thru-hull bearing assembly and 5" rubber exhaust hose

    Weird noises while riding yesterday and poor low-end acceleration. Took a peek and he bearing is shot, meaning it's no longer tight with about 1/8" of play with water slowly coming into the hull. I hope it hasn't damaged my drive shaft yet.

    Also oddly, there's a small tear in the short rubber hose between the exhaust pipe and water box.

    If anyone has these parts let me know price with shipping to either Toronto ON or East Lansing MI.

    Thanks!

  2. #2
    Click avatar for tech links/info K447's Avatar
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    I should have those parts here. Stubby rubber hose section, through-hull assembly.

    PM or call me, if you still have my number.

  3. #3
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by K447 View Post
    I should have those parts here. Stubby rubber hose section, through-hull assembly.

    PM or call me, if you still have my number.
    Parts shipped out today.

    Exhaust hose failure makes me suspicious of exhaust overheat as cause. We shall see.

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  4. #4

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    Quote Originally Posted by K447 View Post
    Parts shipped out today.

    Exhaust hose failure makes me suspicious of exhaust overheat as cause. We shall see.

    Thanks again K447.

    I'll check the water fitting for flow or a blockage once I get it back in the water. That hose previously melted a bit when it was against some split-loom for the wiring harness years ago and by the looks of it that seems like the weak point, but it didn't split there.

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  5. #5
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by SeaBee63 View Post
    Thanks again K447.

    I'll check the water fitting for flow or a blockage once I get it back in the water. That hose previously melted a bit when it was against some split-loom for the wiring harness years ago and by the looks of it that seems like the weak point, but it didn't split there.

    Click image for larger version. 

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    That hose looks distended. I suspect it has been overheated and heat stressed, perhaps many times.

    IIRC (blue Fuji engines are not my forte) the water injection orifice is hidden inside a water hose connection on the exhaust pipe, somewhere near the narrow end. I think you have to remove the hose and look straight down to see the orifice.

    If clogged it it will let the rubber hose overheat, and that short hose would get the most heat since it is closest to the engine.

    Perhaps one of the Fuji engine experts will chime in with the exact method for inspecting and clearing the water injection system.

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  7. #6
    BlueFishCrisis's Avatar
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    There are 3 connections to the exhaust pipe. The large connection at the Front of the ski (when the pipe is installed), the small inlet at the top of the ski (with screen and orifice) and the small inlet that cools the exhaust down low inset from the outlet. See attached.
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  9. #7
    BlueFishCrisis's Avatar
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    Make sure the screen and orifice are clean.

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  10. #8

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    Quote Originally Posted by BlueFishCrisis View Post
    Make sure the screen and orifice are clean.

    Thanks. Confirmed that air passes at both ends.

    That pipe has been like that for quite a while and has never been replaced. I think that it just gave up after 22 years.

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