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    outboard problems/opinions

    I'm talking with a friend about our outboard motors and I suggested that about 70% of problems are fuel related, 20% are electrical and maybe 10% mechanical. Do any of you experts out there have any quantitative ideas about these figures? I'd bet Mr. Rodbolt would know about this. Thanks for...
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    90HP Yamaha compression ratios

    My 1999 Yamaha 90C has compressions of 5.76:1 on cyl.#1, 5.67:1 on cyl.#2 and 5.86:1 on cyl.#3 as per the Yamaha book. I'm certain the bores and strokes are the same for each cylinder, so the only variable can be the port timing. Does anyone know why these compression ratios would be...
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    1999 Yamaha 90C alarm test

    trying to test my alarm horn to be sure it works, tried cranking on motor with stop lanyard removed, but no horn. any easy way to get the horn to sound just for test? Thanks for any help!
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    Locktite or Anti-Seize/

    I've always used the silver colored anti-seize compound on marine bolts to prevent corrosion and breaking off studs in blocks and other "stuck/broken bolt" type problems. I notice the Yamaha Repair Manual mentions Loctite thread sealer for certain bolts. Any opinions on which of these is the...
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