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    1975 Mercury 650 65HP loss of power, bogs then dies under throttle

    Hello everyone, I have a 1975 Mercury 650 65 HP on my boat. The other day I was out cruising a little bit above 1/2 throttle. All the sudden the motor died. It took awhile to get her started again. When I finally did the boat would hardly move. If I tried to throttle down the motor would bog...
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    1975 Merc 650 65HP part identification

    Hello everyone, I need help identifying an electric component on my 1975 Mercury 650 65HP. The serial number of the motor is 4137530. There are two wires going into the piece and it is sealed. One wire connects to the switch box (post labeled white). The other wire is grounded on the starter...
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    1975 Mercury 402 40HP

    Hello All, This is my first post so please bear with me. I have a 16' Galstron Tri Hull with a 1975 Merc 402 40HP thunderbolt ignition, merc controls. The motor does not have power trim. I am not getting all the RPM's out of the motor when in the water. It will rev all the way when out of the...
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