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    Fuel Problem Need Expert Guidance

    Have a 1974 Mercruser I/O 140 4 cyl GM <br /><br />Original carb and fuel pump<br /><br />I am having a stalling problem that started will stalling at WOT. I would wait five min and it would start up and run fine for the reset of the day or do this a couple of more times.<br /><br />At end of...
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    74 merc I/O - Where does this hose go??

    Need help. Winterizing engine and want to get anti-frezze in all the right places.<br /><br />1974 140 hp GM 4 cyl merc I/O.<br /><br />Facing front of engine, there are two hoses that join at a value at top front of engine. hoses are radiator type hoses.<br /><br />To the right hose is about 1...
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    Dwell setting for a 74 Merc 140 I/O

    Guy's, anyone out there who can tell me what the proper dwell setting for this engine is? <br /><br />Also want to verify that I do or do not have a water seprerator on my engine. Someone mentioned this but I don't see anything else in the fuel line.<br /><br /><br />Thanks!
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    Stall when applying load

    I have read threads which seem to have similar charateristics to my problem but not exact. Wanted to get some opinions. <br /><br />1974 Merc 140HP I/O<br /><br />Boat will run fine for a while and then will periodically sputter, and choke like its not getting fuel and then stall, when load is...
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    Oil Filter Recomendations

    I am looking for an AC or Fram oil filter to use instead of the quicksilver (I think AC makes QuickSilver??.) Also looking for anyone who has changed to an oversize filter to add to the oil capacity. <br /><br />I have a 74 Mercruser I/O 140 hp and currently use a QuickSilver 14957 filter.<br...
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    1974 Mercruiser 140H.P. - Impeller Replacement

    I am new to this forum and find it quite useful. I am reading alot about impleller replacement and get the imporatnce. I have ordered a service manual for my engine and expect this to help. Can anyone tell me the basic procedure and level of difficulty to change the impeller on my unit??<br...
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    1974 Merc I/O - Trim/Tilt 'O' ring replacements

    I have fluid seeping out of one hydraulic tube at the end cap. I have the new set of "O" rings and intend to do the repair myself. Mechanic says not a big deal to do, anyone have any watch outs and advice? Also, can anyone tell me the proper procedure for bleeding the system when I am done? <br...
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