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  1. 10-26-2020, 10:47 AM #1
    250xb river rat
    250xb river rat is offline
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    2017 250 proxs1b161521

    repowering from 2004 225 efi to 2017 250 pro xs, I think all I need is adapter to do this, can someone tell me what i need and part # of adapter,,, thanks
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  2. bass.man65
    bass.man65 is offline
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    #2 10-26-2020, 11:31 AM
    Harness # 896542A01
    04 521VX 250 Pro XS
    14 521C 250 Pro XS
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  3. EuropeanAM
    EuropeanAM is offline
    Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #3 10-28-2020, 02:16 PM
    Let's find out what this engine is before answering any additional questions. 1B161521 was not built in 2017, or even within a decade of 2017.


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