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    OMC 2.5 loses power at full throttle?

    85 120 hp 2.5 gm omc Let me start by saying The carb. was rebuilt last year and new fuel filters. Today was the first time this boat touched water sense august. No problems last year. and was winterized. Fast froward to today For the first 15 maybe 20 minutes, all was good. then sudden...
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    Prop question? 1985 omc stringer 400, 4 cyl omc 120 hp

    I'm guessing loaded she weighs 1500 pound, 1985 15' 6" marlin bow rider Deep V, it's equipped with a I/o omc 2.5 120 hp engine, and omc 400 stringer outdrive. should I run the 15 X 17 Stainless prop, or It came with an Aluminum 13 3/4 X 15 prop (what should I run for speed?) This is my first...
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    1985 Marlin Bowrider 15' 6" OMC 400 stringer What is the rpm range?

    I just traded a dirt bike for a well maintained 1985 15' 6" marlin bow rider Deep V, it's equipped with a I/o G.M omc 2.5 120 hp engine, and omc 400 stringer outdrive. A nice 15 X 17 Stainless prop. It came with an Aluminum 13 3/4 X 15 prop (what should I run for speed?) This is my first boat...
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