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  1. #1
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    Yamaha F50 Performance Upgrades

    I'm currently looking for performance upgrades to get the most out of my EFI F50. I've removed the restrictor plate from the intake that essentially makes it a 60HP. Thinking about sending the ECM off to get it programmed. Will a Jack Plate do anything for top end? Thoughts?


    Aluminum G3 17' SS

  2. #2
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    You need to either put the reatirctor plate back in or get a 60 ECM. It is now running lean.

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