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    What put this hole in my lower unit on a 115 V4?

    Anyone have any idea what would have caused this hole to be put into the side of this lower unit (there's one on the opposite side too) on a Johnson V4? Thanks, Dale
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    115 V4 lower unit interchangeability

    I have 1980 115hp V4 that broke something in the lower unit and put a small through the case on each side so now I need a new one. I have found a 1976 engine at the right price with a supposedly good LU but can't determine if the units are interchangeable before I plunk down the cash to buy...
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    Wiring question on 48SPL remote control

    After someone butchered up my family's pontoon boat trying to fit an old mercury where a johnson 48 SPL resided, I have finally got the 48SPL running and pumping water. However, I have a wiring dilemma. On the remote control, just below the ignition switch there's a harness with three wires...
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    48 Johnson spl - Lower unit failure due to low lube

    My mom has a 48 Johnson SPL that has had a lower unit failure. It was rebuild about 4 years ago but this past year, I think it may have been run with low or no oil in the lower unit. It was launched and run for about 100 yards and then returned to the dock. What is the likely point of failure...
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    2001 90Hp Saltwater carburetor & idle settings

    I have found bits and pieces of this topic in here but not a fully detailed one. I have factory manual on order, but would like to set this correct right away so any input will be helpful.<br /><br />I have initially set the carbs as follows:<br />Upper: 3/4 turn.<br />Middle/Lower: 1-1/2...
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    2001 90Hp Saltwater squeak noise help

    I have seen this problem in the forum and have the same symptoms. <br /><br />After open throttle running the engine develops a squeak similar to a noisy belt on a car engine. It tends to go away at idle and takes about 1 minute of open throttle running for it to develop.<br />The first time...
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    2000 mercury controller questions

    Took my boat out of storage and prepared it for the season (wax, lube, etc). I launched it and got the engine started (2000 90 HP Merc Saltwater) and but when I pushed the controller to go forward, all the engine did was rev up. Same thing in reverse. I shifted the engine manually by moving...
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