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  1. M

    86-87 Mariner 150 questions

    I bought a 87’ stratos 179v with a mariner magnum 2.0l 150 on it. I had a 4 blade 22p prop on it and hit a rock at idle with it. Replaced it with a tempest plus 24p. I was running into heat issues at WOT before the prop change so I also changed out water pump and thermostats. Got it out today...
  2. M

    ID 1987 Mariner 150

    Hello, I bought an 87’ stratos 179V this year with a 150hp mariner on it. The cowl says it’s a magnum but the serial number doesn’t say it’s a magnum. Trying to figure out what the rpm range should be as they would be different depending on the type of motor. The regular 150 should be between...
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