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Recent content by phabej

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    Does bad ignition coil causes low compression?

    Does a bad ignition coil causes low compression? I have a 50hp mercury 500 outer board that has low compression on all four cylinders. When I pulled out the sparkplug wire from the ignition coil it was burned and black particles are coming from the ignition coil. Could this be the reason for...
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    Fix it or junk it?

    OK. I finally took down the lower unit and here is what I found. First, there is this black thing by the small gear looking rod that has a damage on it as you see the picture below. Looks to me like something has been grinding on it. As for the rod, I can turn it from side-to-side just...
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    Fix it or junk it?

    This maybe a dumb question but how can you tell if it is still shifting after you take down the lower unit? Also, in the first picture, is the rod circled in red the shifting rod? If not, what is the purpose of this rod? There is a black plastic molding piece that this rod was inserted into...
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    Fix it or junk it?

    I just received an old boat with Mercury engine 50HP MERC500 from my friend but the lower unit is leaking oil and does not go any where when placed in water.* When the engine is out of the water the propeller is spinning fine but when submerged in water the boat goes no where.* It doesn't seems...
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