Re: 45 HP Merc needing high speed adj or cleaning

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July 8, 2015 at 3:32 pm #19665
jeff-register
Participant

    That old check the fuel system for any leaks. Should hold pressure while not running & will be soft running as it is passing fuel. Do not get the carbs mixed up on the engine, keep the top & bottom one the same. Check your timing too. Pull your plugs right after a run & look for moisture. The bottom seal might be bad