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    methyl hydrate tainted fuel

    Hi Late summer 2007 I had a power loss issue with my 2005 F115hp Yamaha 4 stroke. A Yamaha authorized dealer diagnosed the problem as contaminated fuel and treated the problem by pumping out the bad fuel, installing a 10 micron inline filter and putting methyl hydrate into the fuel tank...
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    2005 yamaha F115 loss of power

    Hi I have an 05 4 stroke Yamaha 115 powering an 18' campion. On Thurs nite after refueling, the engine wouldn't make better than 3800-4000 rpm (WOT 5500 rpm) No alarms, wasn't dragging anything, prop/plugs/oil level all looked fine, engine wasn't misfiring etc. I tried adding some injector...
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