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1994 Mariner 150hp efi mag 2 stroke hesitation and dies.....help please

powersurge

New member
hello newbie here. i have a 1994 Mariner 150hp efi mag 2 stroke that starts fine every time. i try to accellerate to slow it will die. i have a hot foot on the boat and if i punch fast to the floor it will run like heck.?? but if i try to bring it up on plane slow it dies. i have just replaced the stator and high pressure pump per macanics advise. i have changed and cleaned the full system. the motor runs awesome other than that. it does idle a little rough but starts easy. please any input or suggestions would help.
 
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