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    Where is timing tab SUPPOSED to be - 1987 Mercruiser 3.7 ????

    It's not where I think it SHOULD be on this engine and I am trying to check and reset. Thanks
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    5.7 Mercruiser Lifter or Exhaust Noise and Power Loss

    I was showing my old boat to a potential buyer, when I noticed what sounded like a noisy lifter as I throttled up. The noise got louder and more "throaty" sounding and the boat wanted to lose power at around 2600 rpms. Oil pressure and temp were normal. I limped it back to the dock at "no wake"...
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    '87 Mercruiser 3.7 Engine Noise

    Finally did a quick sea trial today, but the engine started making a loud tapping sound (like the clacking of the fuel pump arm being hit by the cam shaft). Got louder as I throttled up. Is there a chance that I did something wrong on the fuel pump install or could it be detonation? I...
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    '87 Merc 3.7 Slave Solenoid Wiring Difference

    Good afternoon, all. I have corrected most wiring problems from the switch to the slave solenoid with the wonderful troubleshooting and diagrams, however, something doesn't look right on my new slave. I disconnected each post separately, but still not getting ignition. My wires are quite...
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    Another Mystery Leak - Which Bellows?

    Hello to all. Great site. It has been much help as I have lurked. 1987 3.7 with alpha one. Everything I read here points to possibly a bellows leak. When outdrive is up, a good stream of water (clear) comes in through the outdrive housing (forgive me for not knowing what it is called). I can...
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