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    How my Honda outboard went swimming, Part 2

    In my last post I described how my outboard went in the drink and how I quickly got it running again. When I returned from the Cape I made a temporary mounting board out of a couple of pieces of plywood while I waited for a Garelick replacement to arrive. While my mount is Fulton the Garelick...
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    How my Honda outboard went swimming

    On our first outing on my 22' Tanzer sailboat last year my outboard, an older Honda 7.5 four stroke, was rough at idle and would stall going into gear. It was enough of an issue that I had to scrap the trip after guests were aboard. (Mast was not up yet so the motor was essential.) Shortly...
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    Honda ignition voltage waveform, 7.5 and similar

    Last summer my Honda 7.5 (model BF75A serial 1200493) died suddenly with an ignition failure. The symptom was a spark so weak I could only see it in a darkened room and that would not fire at all in the cylinder because of the greater breakdown voltage of the gas/air when compressed. The Honda...
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    Looking for electronic ignition module for Honda 7.5

    I have an older Honda 7.5, likely 25 years old or so, but with very little use in at least the past ten years. I'm having a bear of an ignition problem that is driving me crazy. All signals seem ok, and I'm using an oscilloscope to observe them, not a simple voltmeter. But I have a very weak...
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    What causes gel in cooling passage of Honda

    I found an unknown gel-like substance in the cooling passages in my Honda 7.5 inlet manifold. Previously I have observed relatively large crystals (perhaps 1/16" or so) in the vicinity of the thermostat. They did not appear to be salt and I believe I did a taste test last year with negative...
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    Honda 7.5 (BF75) compression, rough idle, head gasket question

    Launched on Saturday, engine ran fine for 1/2 hour trip to mooring, a little above idle for the first half the trip, a little below wide open for the remainder. Started it on Sunday and it ran ok above idle but stalled at idle. Let it warm up above idle but no better at idle. The stream of...
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    Honda 7.5 flywheel seized to alternator, magneto

    I hauled out my Honda 7.5 four-stroke yesterday to try it on an inflatable I just bought at a garage sale. I haven't used the engine for three years and it's been in my basement.<br /><br />The engine was seized due to interference between the flywheel magnets and the core of the magneto and...
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