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  1. R

    40e mariner (yamaha) fuel pump cross reference

    i have a 40e mariner 85 mod that is made by yamaha and i need the fuel pump assembly. i broke mine trying to remove the inside plate when rebuilding. i found a full assembly for a 40 yamaha ('85), they look identical cosmetically, that is half of what a pump for the mariner oem...
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    lack of power?

    i just bought a yamaha made mariner 40 E twin carb that idles rough but cranks easy, and will barely push a 14 ft AL boat (low rpms), but when in neutral the rpm will go all the way up and will surge at top. bought new plugs i just cleaned the carbs and there was some gum in the bowl and the...
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    1975 merc200 20hp wont plane...doesn't seem to be the engine

    i have a merc200 long shaft on a 1455 lowe high transom that wont plane just about when it gets to plane it sounds like it cavitates, the engine revs high. first thought. prop is out. bought a new one. has a broken anti cavitation plate and i installed a plane assist that should fix it...
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