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    Rectifier question on a 1994 mercury 90 hp

    Just bought a this boat. Noticed no increase in voltage on gauge while driving. Tested rectifier with voltmeter in diode mode. A few failed as well as it has a clear see thru bottom and it's fried. It has 2 yellows, 2 reds and grey wire. There is a black wire coming from power pack area and...
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    1997 mercury 90 hp 3 cylinder popping noise out exhaust

    I'm wanting to buy this boat for 3000. He started it on muffs and it idled a little rough. He reved it up a little and when he stopped it gave out a couple of pops. I'm going to check compression, spark, timing and lower unit for water. He said he has never cleaned the carbs and says it runs...
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    1973 evinrude 85hp firing twice on same cylinder

    Marked firing sequence on top of fly wheel. When putting timing light on plug wires 1,2,and 4 it's good. When on number 3. It shows to be firing on 1 and 3. When warm compression test 120 on all. Strong consistent spark after changing power pack and couple coils. Jumps 1/2 inch gap. Replaced a...
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