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    Member joshsmith75's Avatar
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    Jul 2009
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    Kokomo
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    2001 mercury 200 efi downgrade to 2001 mercury 175?

    Hey everyone,
    I have a 1999 ranger 91 with a 200 mercury efi that I bought with a blown motor. I replaced it with a "rebuilt" motor that is a 2001 mercury efi. It threw a rod though the block less than 6 months after the purchase. (Not happy). I recently found a 2001 mercury 175 efi that looks like a good deal.
    I have a couple of questions and I'm hoping one of you guys that knows more about these things than I do may be able to offer some advice.
    How much power loss (speed) will I be looking at by downgrading?
    Can I use the parts from my blown motors to turn the 175 into a 200?
    Is it worth the effort?
    Thanks, Josh
    Last edited by joshsmith75; 12-09-2023 at 10:37 PM.
    So long and thanks for all the fish...

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