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    4200 rpm WOT

    Okay, I got my prop (14.25 x 22 4 blade Stiletto Stainless) and mounted it to my 1991 Evinrude 155hp commercial. It is running 4200 rpm at WOT. My question to the experts is should I drop to a 20 or an 18 pitch. I am told operatingrange is 4500-5500 rpm and the test was w/ 2 people and almost no...
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    Prop Advice

    I am running a 21' manatee with a 155 Evinrude Commercial. I recently bought a 4 blade stiletto stainless prop w/ vent holes. I am only getting 4500 rpm at WOT. The prop is a 14.25x 22 and I am hitting about 43mph. so additional speed is not necessary. Does anyone have any suggestion as to the...
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    Evinrude VRO Alarm

    I have an Evinrude 155 Commercial (1991). I installed the VRO oil tank and attached the wires as per the instructions, but the fast chirping alarm goes off constantly. I put a gallon into the 1.8 gallon reservoir. I have tried unplugging the connectors and nothing stops the alarm. Any...
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    omc parts

    Does anyone have an online source for omc/evinrude parts?
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    What Pitch Prop

    I have a 21 ft. manatee cuddy and I just purchased a '91 Evinrude 155 Commercial. I would appreciate some guidance as to what pitch prop would be good for this combo. I never ski behind this boat but I don't need to do 60 either. I have an almost new stainless prop for my 115 Evinrude (82) but I...
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    engine identification

    I think I have a 1991 155hp Evinrude Commercial engine. The only markings I can find are Ser. # G-02958034. If this is right and one had access to either a 1990 or 1992 manual, which one would be more accurate for this motor?
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