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  1. #1

    1994 Polaris SLT 750 will a 92 sl 650 pump fit

    Hello fellas picked up my first Polaris watercraft a 1994 Slt 750 ,im excited ,it needs a carb cleaning and who knows what else ,got it cheap but the pumps destroyed, got a complete pump off a 1992/93 sl 650 will this pump work for now ,the impellor looks bigger in the 650,anyhow let me know please thanks in advance


  2. #2
    Bing-A-Ding-Ding-Ding, Brrrrrap! Brrrrrrrrrap!!! Polaris_Nut#1's Avatar
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    Quote Originally Posted by Canadian_Crew View Post
    Hello fellas picked up my first Polaris watercraft a 1994 Slt 750 ,im excited ,it needs a carb cleaning and who knows what else ,got it cheap but the pumps destroyed, got a complete pump off a 1992/93 sl 650 will this pump work for now ,the impellor looks bigger in the 650,anyhow let me know please thanks in advance
    It will work but you will those some performance as that is an older design and not as good as the 94 and later pumps. I'd keep looking for a newer pump.

  3. #3
    Click avatar for tech links/info, donation request K447's Avatar
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    Welcome

    The 1992-1993 Polaris jet pumps are different from the 1994-2004 pumps. The early one-piece pumps used a 146mm impeller diameter.

    The 1994+ jet pump is a modular design, with better efficiency, and uses a 148mm impeller.

    Note that the impeller must be matched to the engine power. In your case, you want an impeller from another 750 Polaris, not a 650.

    You are better off to find a 1994-1995 750 complete jet pump.

    Another option is to buy a modular jet pump from almost any model year, then install a '750 pitch' impeller.

    Click below for more useful info

  4. #4
    but it does fit ?? and will get me on the water ,id like to get it running and take it for one blast before the lake freezes anyhow,thanks again ill run this pump till I find a newer replacement

  5. #5
    Quote Originally Posted by K447 View Post
    Welcome

    The 1992-1993 Polaris jet pumps are different from the 1994-2004 pumps. The early one-piece pumps used a 146mm impeller diameter.

    The 1994+ jet pump is a modular design, with better efficiency, and uses a 148mm impeller.

    Note that the impeller must be matched to the engine power. In your case, you want an impeller from another 750 Polaris, not a 650.

    You are better off to find a 1994-1995 750 complete jet pump.

    Another option is to buy a modular jet pump from almost any model year, then install a '750 pitch' impeller.

    Click below for more useful info
    could I use my 750 impeller in the older pump,if I can get it off the messed up shaft

  6. #6
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by Canadian_Crew View Post
    could I use my 750 impeller in the older pump,if I can get it off the messed up shaft
    If your damaged jet pump is from 1994, the impeller is 148mm in diameter.

    The 1992/1993 pump is only 146mm diameter, so your impeller will not fit inside.

    If your 1994 impeller is in reasonable condition, you should be able to find any 1994 or newer jet pump, with or without an impeller, and install your 1994 750 impeller.

    If you want the siphon bilges to work, the replacement pump must have the same number of siphon tubes in the nozzle.

    What exactly is damaged in your current jet pump?

  7. #7
    K447 thanks for the reply makes since now,the pump came in a box,the bearings siezed to the shaft and created 2 big gouges in the imp shaft ,which busted up the vanes on the pump,theres still the outter race stuck inside the housing ,I may be wrong but im thinking too expensive to rebuild,I just wanna get it running drop it in the bay for a rip and fog it up ill do the neccesary tune up and upgrades this winter as well as keep an eye out for the proper pump, but for now before I invest and more I wanna hear it run and make sure it moves

  8. #8
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by Canadian_Crew View Post
    ...the pump came in a box,the bearings seized to the shaft and created 2 big gouges in the imp shaft ,which busted up the vanes on the pump,

    there's still the outer race stuck inside the housing ,I may be wrong but im thinking too expensive to rebuild,

    I just wanna get it running drop it in the bay for a rip and fog it up ill do the necessary tune up and upgrades this winter as well as keep an eye out for the proper pump, but for now before I invest and more I wanna hear it run and make sure it moves
    So all you really need is a replacement stator section, with stub shaft, bearings and seals.

    Stock stator was the aluminum 5 vane version.

    The stainless steel 6 vane stator is a better stator, and either will fit and work. There are also SS stators with up to 12 vanes, but you don't need anything that fancy.

    Call or email John Zigler, see what he has available.

    Polaris PWC Parts Sources

    Jet Pump Maintenance and Service
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  9. #9
    thanks again this is a fantastic Forum,im gonna keep the ole girl ,get her ready this winter for spring

  10. #10
    Canadian Beaver Inspector jkindt's Avatar
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    Where you at in Canada? Is your ski under as much snow as mine? Got about 3 inches on it yesterday.

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