Seadoo 951 engine and pump alignement
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  1. #1
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    Seadoo 951 engine and pump alignement

    I have a 2001 951 xp. I went to check the alignment the other day on it only to find out that it is quite a ways out of alignment. Evan after removing all the shim stacks the motor is a good 1/8 to 1/4 inch above the driveshaft. I checked that the pump shoe bolts where tight but no change. The pump shoe looks like it is okay. Is this typical? Should I worry about it? It was obviously that way for 20 years.

  2. #2
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    Re: Seadoo 951 engine and pump alignement

    How did you think it was out of alignment? Was it eating the fingers off the coupling?
    http://www.facebook.com/twinlakesjetskirepair

    '89 Kawi 650SX 42.4 GPS
    +3" stock pipe, ported ex. manifold, drilled waterbox, blueprinted pump, Ocean Pro ride plate

    '99 Yama GP1200 65U 61.8 GPS
    ported cylinders, matched cases, milled head, blueprinted pump, long ride plate

    '96 Seadoo HX 717 53.13 GPS
    light porting, massaged cases, lightened flywheel, port matched manifolds, Rossier pipe, stubby pump cone

  3. #3
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    Re: Seadoo 951 engine and pump alignement

    No, but it does look slightly out of alignment. Decided to check the alignment since I had the pump off checking my drive shaft option if I switch to one of those early 4 tec pumps. Didn’t have time when I put the motor in. I have an alignment tool.

  4. #4
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    Re: Seadoo 951 engine and pump alignement

    What condition is the rear fingered coupling in?
    http://www.facebook.com/twinlakesjetskirepair

    '89 Kawi 650SX 42.4 GPS
    +3" stock pipe, ported ex. manifold, drilled waterbox, blueprinted pump, Ocean Pro ride plate

    '99 Yama GP1200 65U 61.8 GPS
    ported cylinders, matched cases, milled head, blueprinted pump, long ride plate

    '96 Seadoo HX 717 53.13 GPS
    light porting, massaged cases, lightened flywheel, port matched manifolds, Rossier pipe, stubby pump cone

  5. #5
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    Re: Seadoo 951 engine and pump alignement

    Finger couplings are in good shape.

  6. #6
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    Re: Seadoo 951 engine and pump alignement

    Well, I can tell you for sure.....when these are out of alignment they eat up the fingers in a short while.
    http://www.facebook.com/twinlakesjetskirepair

    '89 Kawi 650SX 42.4 GPS
    +3" stock pipe, ported ex. manifold, drilled waterbox, blueprinted pump, Ocean Pro ride plate

    '99 Yama GP1200 65U 61.8 GPS
    ported cylinders, matched cases, milled head, blueprinted pump, long ride plate

    '96 Seadoo HX 717 53.13 GPS
    light porting, massaged cases, lightened flywheel, port matched manifolds, Rossier pipe, stubby pump cone

  7. #7
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    Re: Seadoo 951 engine and pump alignement

    Interesting. I thought maybe my alignment tool was faulty, but flipped the plate around and mounted the tube both ways. Every time the alignment was the same. Judging by the shift in the rear carrier bearing when I try to align it, the front half of the shaft was aligned fairly well with the motor. I was under the impression that it should all be inline.

  8. #8
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    Re: Seadoo 951 engine and pump alignement

    Just realized this is in the 4 stroke section. Can it be moved?

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