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    engine starts, 2 minutes dies out

    i have a 1999 125hp. while on muffs, i start it up and it runs fine, then after about 2 mniutes, it sounds like one of the cylinders quits firing and it bogs down and cuts out. it then won't start again until it cools off, the i repeat the whole process again. keep in mind that it is a 2+2...
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    flywheel puller

    is there a flywheel strap and puller that i can get at an auto parts store, or do i have to buy them from my merc. dealer??<br /><br />1999 125 hp
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    trigger question

    I have a 1999 125 merc. what is the procedure to test the trigger with just an ohms meter. can you do it with it still installed?<br /><br />thanks
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    poppit valve

    what is it and what does it do? why would one need to replace it?<br /><br />thanks
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    gear lube

    getting ready to winterize my outboard. how many tubes of lower unit gear lube does it take, and what brand is best?? quicksilver or the lubrimatic stuff. its a 1999 125 merc<br /><br />thanks
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    stator ohms readings

    trying to test the ignition circuit on my 1999 125 merc. the book says that between the green/white and the white/green leads off the stator, it should be between 660-710 ohms. my meter reads about 645 ohms. is this reading within tollerance, and would the fact that it is about 50 degrees...
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    flywheel puller

    what type of flywheel puller do i need for a 99 125 merc. can i purchase it from a parts store, or do i have to get it special from mercury?<br /><br /><br />thanks
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    Running with 1 plug wire off???

    I'm trying to troubleshoot my engine. its a 1999 125 merc. classic. it starts fine, idles great, and for the most part, runs finie on high end. after it warms up and while running around 3500-4000 rpm, it will miss when you hit heavy chop. Can i pull off a plug wire, one at a time, to see if...
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    crankcase poppet valve

    I have a 99 125 and was wondering if it had crankcase poppet valve springs, and if so, what do they do and where on the motor are they?<br /><br />thanks
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    mistermoon

    hey, i was wondering how your merc was running after you rejetted the carbs. did you just rejet one of them, or all. if you just did one, how did you know which one it was that was running rich.<br /><br />thanks<br /><br />tim
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    reed valves

    what exactly do the reed valves do, and how can you tell if they are going bad?<br /><br />thanks
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    is it a choke or a primer

    i have a 1999 125 merc. the question is, when i press the key in on the ignition, does it chock the engine, or does it prime fuel into the cylinders. either way, how can i tell if it is working or not. <br /><br />thanks
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    yellow lead from stator burnt

    right where the connection is where the yellow lead comes out of the stator, is burnt. there are two yellow wires, but only one is burnt. what could this mean???
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    125 merc dies when you hit waves

    i've covered this before, but my 125 only dies when you slam into waves pretty hard. its not the fuel, its not the carbs. i think this is a different problem than the other guys posts, because their boats miss throughout the rpm ranges. what could i try next? ignition parts, ect.????<br...
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    setting Low Speed Jets

    i have a 1999 125 merc. just rebuilt the carbs and want to adjust the low spped jets on the two top carbs. if i start them both at about 1 and 1/2turns, when i go to adjust them do i turn them in and out the same on both, or should they be adjusted seperately. how can you tell which one needs...
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    float adjustment??

    i'm in the process of cleaning out and rebuilding the 4 carbs on a 99 125 merc. i have bought all the gaskets, new floats and needles, and was wondering, do the new quicksilver floats usually come already adjusted from the factory, or do i have to mess with bending the tabs and setting them...
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    locktight or not??

    when i took of the 4 carbs, 3 of the 6 studs came out, instead of just the nuts. when i go back to putting the carbs back on, should i use locktight where the studs go into the manifold, or just tighten them snug. second, what should i torque the nuts to that attach the carbs, and should they...
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    125 merc missing at higher rpms

    i ahve a 1999 125 merc. when runnung above 2500-3000 rpm's it seems to miss occasionally on one cylinder. it seems to do it when the boat jolts, as when we hit a wave. does this sound like something a carb rebuild would fix, or maybe something different?<br /><br />thanks
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    OFF-1ON-1&2ON rocker switch for nav lights???

    i need to find a rocker switch for my bow and stern lights that will allow just the stern light, or the bow and stern lights to be on. the switch that i have used before was a push-pull type switch, but i can't seem to find this type in a rocker switch. i have looked everywhere!!<br /><br...
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    Will dual batteries work??

    I have a 17 mako with a 1999 classic 125 merc. i want to install dual batteries but was wondering if the charging curcuit on the merc will be able to handle them both. there already is a perco? dual battery switch under the console which the 1st battery is connected, so i think that it would...
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