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  1. J

    reverse problems on mercruiser 1985 alpha 1

    Hey everyone, I'm resending this thread because all the responses were deleted. I tried adjusting the shift cable every which way,including moving the clamp up the small slot in different positions, & I followed a U-tube video on cable adjustments while having a second person at the prop to...
  2. J

    stripped threads on head bolt model 470 mercruiser

    Hello Guys, I have a 1984 3.7 mercruiser. I stripped the threads from block while torqueing the head (new gasket). So I drilled and tapped a new heli coil into the block. I had asked a local machinest if I should install 2 sets of the coil into the threaded hole but he said it wasn't...
  3. J

    spark plug hole size

    I'm getting a leak down tester and need to find out the size m. meter plug hole is in a 1985 mercruiser 3.7, 4 cyl. Would appreciate that info. Thanks, Paul
  4. J

    coolant blowing back into overflow resevoir

    My 1985 mercruiser 3.7 is blowing anti-freeze into the plastic reservoir before the engine even heats much. I can idle it for a long time and it doesn't do it but when I cruise the coolant blows back and I can hold my finger in the reservoir and the water is not that hot. Could this be a sign...
  5. J

    leaking gear oil from lower unit of 1984 mercruiser alpha

    Hello, I'm a first time user of this site. I did send a similar question a week ago and must not have sent it right ...no responses. I pulled off the lower unit because of oil seaping from the small weep hole at the bottom. I pressurized the lower and then the upper unit and with soapy water...
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