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  1. #1

    swap: 1100 or 1200 into STX900??? PLEASE HELP...

    I am wandering if a 1100 (NOT Di) enigne from a ZXI or STX would be a straight swap into my STX900??? How about a 1200 from a STXR, would that be a straight swap into my STX900 (what additional parts would i need)?

    Has anyone done this before?

    I am looking into buying a new (refurbished or used 1100 or 1200 engine) to install into my STX900

    Please, any information on this subject would help.

    Thanks for your time.


  2. #2
    btldigger's Avatar
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    The 1100 should be a direct fit the 1200 would be pretty difficult.

  3. #3
    Quote Originally Posted by btldigger View Post
    The 1100 should be a direct fit the 1200 would be pretty difficult.

    Do I have to replace any of the electronic/ignition?

  4. #4
    thesepaperwings's Avatar
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    They should have the same timing. I think the only difference is the jugs, pistons, carb jetting and pump.

  5. #5
    Quote Originally Posted by thesepaperwings View Post
    They should have the same timing. I think the only difference is the jugs, pistons, carb jetting and pump.
    The pump is different? I thought only the impeller was different?

  6. #6
    and i need to know for sure weather i do or do not need to replace the ignition in order to do the 1100 swap into my 2003 stx900?

    Thanks.

  7. #7
    You will need to replace the ignition when swapping to an 1100. They are physically the same, but different timing curves.

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