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    problem diagnosis

    Dropped in a reman merc 260.. everything bolted into place. got it started.. started and ran strong at around 900 rpm.. vacuum gauge read dead solid at 15.. little low but dead solid.. when i throttle back all the way it just died.. didnt run rough just died.. so figured it was an idle...
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    bent carb idle mixture needle.. while in carb..

    so dont ask me how this happened.. but it did.. rochester qjet.. so i bent the right needle in my carb while it was in the carb.. so is it safe to assume that this would likely result in serious damage to the needle seat and require a rebuild?
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    the beast is alive!!

    got everything swapped and bolted on to my 1982 merc 260 reman and dropped back into the boat.. started it up yesterday.. it RUNS!!! had a leak at my therm housing so didnt mess around with it too long.. need to get the idle settings right.. and timing right.. but hoping for the best.. had...
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    best online source for Mercruiser parts

    anyone have any recommendations for good sites to find parts... looking for parts for a 1982 merc 260..<br /><br />i tend to like stemtostern.com as they give you the full parts list and diagrams.. easy to shop at least.. not sure about pricing..<br /><br />anyone else have any opinions...
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    well now im screwed - Update

    1982 merc 260 <br /><br />just so i can avoid this from happening again..<br /><br />what the heck goes wrong that causes massive amount of gas to go pouring into the cyl? to the point that they get locked when you just try to turn em over to see if anything pumps out the 3 plugs you removed...
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    Merc 260 carb needles - help

    Anybody our there devise a tool or a way to adjust the carb needles with the engine running..<br /><br />the therm housing and houses on mine seem to make this an impossible concept but clearly it is possible..<br /><br />its a rochester qjet.. <br /><br />so any ideas? I have a standard...
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    suggestions for next steps? shot rings? time for rebuild?

    Mercruiser 260 5.7 350 V8.. <br /><br />Okay here is my story in a quick review...<br /><br />Last summer had overheat situation.. didnt get excessively high but ran right under the red for a very prolonged period of time at very low speed.. (long story and yes it was stupid).. pulled plugs...
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    bring on the spring!!

    i dont have any question.. at least not yet.. just can't wait for some good warm weather to get back into my boat fixin!!!<br /><br />wooohooooo!!! BRING ON THE SPRING!!!
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    running lean? carb adjustment?

    first.. the forum is great you guys are all helpful.. and your advice is much appreciated..<br /><br />1982 mercruiser 260 rochester 4bbl quad carb<br /><br />bought boat used.. took out first time ran fine for an hour or so then ran hot.. got back to dock slowly.. never ran it in the red but...
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    tach voltage at idle

    have a 1982 mercruiser 260 with 260 drive..<br /><br />so here is my quetion.. the tach doesnt work.. so i tested the voltage from snd to gnd at i get like 8.4 at idle.. it does up when i throttle up just as it should.<br /><br />but without a tach cant i tell the rpms from the voltage? seems...
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    battery too strong for comp test? that possible?

    so my boat battery needs replaced id say.. doesnt hold charge long enough to do even one good cylinder.. so if i say run some jumpers from my car battery to boat battery and do the comp test like that.. is that ok? i am sure the readings are affected on the low end due to low battery strength...
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    weird overheat problem

    this will be long but want to give as much detail as possible.. <br /><br />have a 1982 mercruiser 260 with I-drive <br /><br />had boat out a few weeks back ran fine for 1-2 hours then started to overheat.. or at least thats the way i remember it..<br /><br />took it out next day to check on...
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    mercruiser 260 running hot

    Took the boat out ran perfect for probably 2 hours.. then started to run hot.. so slowly got it back to the ramp.. very slowly.. kept it out the red the whole way..<br /><br />so took it out again the next day and start running out almost immediately.. so kept it out of the red got in on the...
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    mercruiser 260 stern drive shift problem

    hello everybody.. wondering if somebody might have some insight for me here on a recent problem ive had.. <br /><br />took my boat out couple weeks ago.. started running a little hot so as i was slowly getting it back to the ramp when the engine died on me.. i could get it restarted fine.. but...
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