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    250 efi--loss of rpm's for first few minutes???

    I have a 2001 mercury 250 saltwater efi on my 25' proline walkaround. I normally run @ 5000 rpms, burn 22 gph and go around 23 knots. Lately when I first start going my wot is only around 5000 rpms and my fuel guage shows I'm burning like 28 gph. Sometimes when I drop to neutral and go again...
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    spark plug direction?

    I have a 2001 mercury 250 efi. Can you tell me if when I install new plugs do I have to worry about the direction of the spark plug. I think they call it indexing the plugs.
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    stiff throttle on 2001 250 efi

    I have a 2001 250 efi that has a sticky throttle. I greased everything. Its very tough getting out of forward into nuetral and out of reverse into nuetral. No kinks or tyraps anywhere in the cables. Throttle moves freely when pushbutton neutral is engaged. Is it safe to assume bad cable. If...
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    checking my compression?

    i have a 2001 saltwater series 250 mercury efi. can anyone walk me thru checking compression on my cylinders. my buddy has the guage, i just want to make sure i am doing it right.<br />thank you
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    temp loss of rpm's

    i have a 2001 mercury 250 efi. i normally run at about 4800 to 5000 rpm's at about 3/4 throttle and burn about 22 gals an hour. the other day at 3/4 throttle i was barely hitting 4000 rpm's and was burning 30 gals an hour. right as i was reaching port i started running normal again. i replaced...
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    mercury 250 efi maintenence

    I have a 2001 250 efi saltwater series mercury outboard. At the end of each season I decarb, change my lower unit oil, replace fuel/water separator and winterize. At the start of each season I replace plugs and change my impeller. After each use during the season i flush with fresh water and...
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    starter problem?

    i have a 2001 250 efi that i am having trouble with. boat ran fine last year and i did not do any work to it except to winterize. when i tried starting her up in the spring i thought my starter was bad. it would spin but not raise and engage the wheel. i had my batts tested and they are 100%. i...
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    starter ?

    i have a 2001 mercury efi 250. i am having problems starting it up for the spring. starter just spings. batteries are fully charged. my starter spins but seems to be spining in the wrong direction. teeth are on a worm gear that spins up an engages when spinning one way but my starter is turning...
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    no owners manual

    can any one tell me what spark plugs to use on my 2001 mercury 250 saltwater efi. ngk# and champ#
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    winterizing 250 efi

    I have a saltwater 250 efi. Anyone familar with these motors who can give me the best way to winterize<br />thank you
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    250 mercury efi outboard

    i have a 2000 mercury 250 efi outboard. i am getting ready for the spring and it seems to run fine and then the rpms drop and my warning lights come on for a second then it runs fine again. this also happened at the very end of last season when i removed the boat from the water. it is about 35...
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    battery bank question

    i have a 25' proline w/ a 250 merc outboard rigged w/ basic electronics (vhf, radio, f/f, gps) and standard lights. i have 2 identical batteries (24m8-1000 ca) with a a/b/both/off battery switch. one battery went bad and needs to be replaced. i never used starting or house battery, i just...
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    changing impeller on my mercury

    i have a 2000 250 saltwater series mercury efi outboard. i do not have a manual for it. can anyone please walk me through changing the impeller. please be as specific as possible this is my first one. i ran aground a few times this past season and i am assuming i probably sucked up some mud.<br...
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    decarbing mercury

    i have a 2000 mercury efi. anyone know the best way to decarb. i heard these motors should be done at least once a year.<br />thank you<br />tom
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    mercury 250 efi (2000) spitting gas?

    i have a 2000 250 saltwater series mercury outboard. i just noticed if i leave it idle for a long time when i start it (cold weather) i can see a fuel slick in the water that locks like it is spitting out of my return. i never noticed this before. is it normal? also about a month ago my brother...
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    changing impeller

    i have a 2000 250 efi saltwater series mercury. this is my first season with it and i want to change the impeller when i winterize it. ( i found a couple of sandbars over the summer) i do not have an owners manual yet. can anyone walk me through changing it. i want to do it know before i change...
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    spider cracks

    i have a 2000 25' proline that has 2 spots that look like spider cracks but they appear to be under the gelcoat. you can see them but not feel them. is this the gelcoat cracking under the wax or something. any suggestions on fixes<br />thank you
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    winterizing my 250 efi mercury

    this is my first year with my boat. i have a saltwater series 250 efi mercury (2000). it will be dry docked for the winter (about 4 months) can anyone tell me everything i need to do to winterize. i don't want to forget anything.<br />thank you very much,<br />tj
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    saltwater mercury 250 efi v-6 maintenence ?

    i just bought a proline w/ a outboard merc 250 efi. can anyone tell me the right way to flush out after using it. i have been hooking a garden hose to the flushing port and running at idle with the lower unit under water. is this correct? the motor is 1 year old and previous owner never flushed...
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