Anybody good with merc's?
we just recently put our v20 in the water. it has an 1985 merk 200hp v6. at 1st it ran great but then it would slowly rpm down and die then it would be a bi*ch to start back up. when we got it out of the water i tested to see if all the cylinders had spark. oddly all the plugs on the port side sparked perfectly, all 3 on starboard had no spark at all. I'm thinking maybe control box? im really lost when it comes to boat engines so im hopeing someone can help me out! thanks
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