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40 hp 4 stroke EFI (2005) Low Power

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  • 40 hp 4 stroke EFI (2005) Low Power

    My engine has run like a top since I got it in 2005. Keep it tuned up, never an issue. The last two times out, it starts right up, but for 15-20 min I get about 2500 RPM max out of it. Then, after a few times of turning the engine on and off, it jumps right up to WOT and runs like a champ for the rest of the day. Again, it's done this twice in a row now.

    Any ideas from you more experienced Merc owners? I really appreciate anything you can tell me. Thanks.
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