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    Power drops at console when hitting switch/turning ignition

    HI all- Working with a 1990 Larson All-American 170 with a Mercruiser 3.0 Litre engine. Something was draining the battery and causing issue with starting. Now none of the switches work and nothing happens when you turn the key. I'm getting 12.7 volts at the fuse box under the console, and if I...
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    1990 3.0 Litre: No power to gauges, switches, or engine. Trim works. Help!

    Relative newbie here. Recently purchased a 1990 Larson All American 170 with a Mercruiser 3.0 Litre I/O (Model MCM 3.0 Litre W/DDIS. When I got it, I couldn't get it to turn over. Noticed that 3 of the 4 spark plugs were unplugged (spark plugs were replaced this spring). Plugged those in...
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    Carb Question

    Pulled off the cover from the carbs. What are the little things circled in the photo? Also should there be an air filter anywhere?
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    1990 150 HP V6 Leak Down Fail. Help!

    I purchased a used 1990 Forester Fish n Ski with a 1990 Johnson 150 HP V6 VRO outboard. Engine fires when high idle is lifted. Took it to a mechanic, and he suggested a leak down test. His report was that it showed 18-20% loss in all 6 cylinders, and 2 of the spark plug threads are stripped. He...
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