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  1. K

    1974 mercruiser 120 carb issue

    Hello all here is my problem. The idle cam on the carb seems to flip over from time to time. When this happens and I throttle the boat back to idle the engine will die due to the difference in idle travel with the cam flipped over. What is causing the cam to flip over and how do I fix it. Thanks...
  2. K

    older mercruiser 2.5 possible carb problems

    Hello all its been awhile.. Anyway have a 1974 trihull with a 2.5 mercruiser. Great little boat runs good but the problem I have is when I am loading the boat in the water and it sits there a bit before I start the engine I notice a little gas slick around the rear of the boat. Really don't know...
  3. K

    mercruiser 120 exhaust riser question

    The engine temp seems to be normal at 160 degrees. The guage never varies at all. The possible problem is the bottom of my exhaust riser is cool to touch gets pretty hot at the top of the riser then cools off again at the bottom before it exits through the bellows. Is this normal or do I have a...
  4. K

    1974 duo remote control help. Please!!!!

    1974 duo remote control help. Please!!!! Hello bought this boat from a guy with a 120 mercruiser and he fired it up put it in gear and everything was great. The problem is I don't know how the remote works and the guy has moved out of town. It is a single handle with a knob in the center that...
  5. K

    1974 duo remote control help. Please!!!!

    Hello bought this boat from a guy and he fired it up put it in gear and everything was great. The problem is I don't know how the remote works and the guy has moved out of town. It is a single handle with a knob in the center that pulls out. Can someone tell me how to start the boat what to do...
  6. K

    trim cylinder length for mc-1 drive

    Hello all what is the length of the trim cylinder when the drive is all the way. The reason being is I don't think my drive is all the way down. I have no guage to go by. I know when it is all the way up the length is 21 3/4. I have the mc-1 drive 1974. Thanks Kelly
  7. K

    Another trim question

    Hello have a 1974 mc-1 mercruiser. The previous owner has been using tractor fluid made by valvoline. I don't know if this is the proper weight. Any help would be a plus. I am a new boater... thanks, Kelly
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