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    Carb overhaul

    Hi, I have a 1974 Mercury 500 with two Tillotson ka-25a carbs. I have been having problems with it running at full power. All the symptoms pointed to a timing problem, but as it turns out my carbs need an overhaul. When the mechanic told me the price for him to do it, I decided try to fix it...
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    1974 Merc 500 WOT problem

    Hi, I am having problems with my engine. It runs great on the ears. When I put it in the water, it will idle great and rev up just fine, but when the prop is engaged and it is under a load it will not get up to full throttle. The RPMs increase until about half throttle and then no more after...
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