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    25 Hp Mariner WOT issue

    Hi Looking for a bit of advice.. Motor is a '89 Mariner with a WBC carb. Runs great until WOT, where the power definitely drops off without any noticeable detonation. I've always assumed it is lean condition. Pulling choke at WOT makes no difference. Once the motor has been run hard for...
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    Motor over revving

    Hi all I have an ?85 Mariner 2S 25HP. I?m thinking the pitch is insufficient for my motor. At full throttle I think my rev-limiter is kicking in. My current prop is a 13P (48 4356 A40L 13P stamped) I did the timing on the back of a large boat and the motor runs great at full throttle. It...
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    What year is this Mariner 25 hp?

    A735444 I'm having trouble finding the right service manual
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    Another "what year" post

    Mariner 25 2 stroke serial: 0A7354444 model: 7-025201N 1989? Thanks
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    Throttle question

    Hi New to the forum. I?ve purchased a ?91 25hp Mariner tiller. I?ve changed the thermostat, impeller and plugs. The motor is in good shape. The only question I have is regarding the throttle. I figured the throttle should return once you let go of the tiller handle, however I don?t see...
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