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    Fuel Line Check Valve

    Engine is a 1986 140hp Mercruiser I/O. Had a no start issue on Sunday. After checking gas and spark it was apparent that the carb wasn't gettting fuel from the supply line. Put in a new fuel pump early 2010 so I was pretty sure that wasn't the problem. Turns out there was an aluminum check...
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    Sterndrive Shift Cable Installation

    I noticed the bell housing has threads all the way through for the shift cable. Does it matter whether I use a fore or aft threaded shift cable? Are they interchangable?
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    Steering Cable Stuck in Tube

    -------------------------------------------------------------------------------- I believe my steering cable is getting stuck in my guide tube on my mercruiser alpha I stern drive (1986 Sea Ray Seville 140). What is the best way to get it out? Anything I should be careful of? Can't turn the...
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    Steering Cable Stuck in Tube

    I believe my steering cable is getting stuck in my guide tube on my mercruiser alpha I stern drive (1986 Sea Ray Seville 140). What is the best way to get it out? Anything I should be careful of? Can't turn the wheel at all right now. Used it two weeks ago and it was hard to turn at first and...
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    Steering Stuck

    My 1986 Sea Ray 140hp Mercruiser Alpha I I/O has a problem in the steering system. The steering is usually frozen when first starting out and as I use the boat it frees up slowly. I usually creaks when I steer and feels like it catches. The power steering pump has no leaks and seems to be ok on...
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    Boat Stalls at Certain Speed (1986 GM 140 Sterndrive Inline 4cylinder)

    Hi, I've posted before but since have done several tests to rule out certain problems. The problem is that at a certain speed/rpm (7mph) the motor stumbles and will stall if you continue to push forward the throttle. It usually backfires through the carb when it stalls. The problem only...
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    Mercarb Help

    All, I noticed a nice post someone had concerning a Mercarb Power Valve's function. I was wondering if this could be the source of my issue. I have taken apart the carb and noticed that the plunger above the power valve sticks a little upon pushing it up and down. Probably worn through the...
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    1986 Sea Ray Mercruiser 140 Backfires/Stalls at certain RPM

    Ok. So I know I have a mechanical advance timing mechanism in the base of the distributor. That is why I replaced the distributor when I first noticed the problem with a Sierra Replacement Part which is really the Mallory distributor. Unfortunetly, that did not solve the problem. The engine now...
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    1986 Sea Ray 140 / 181 cu. in. Mercruiser Timing Advance

    Does anyone happen to know the correct centrifugal timing advance for this engine? All I can find is the idle timing of 6 Degrees BTDC. My manual doesn't have the advance timing settings. Thanks.
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