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Jan 23rd, 2013
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1999 mercury 200 efi. opinions? #14424605 07/19/22 08:37 PM
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Gonecampin2 Offline OP
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looking at purchasing a 1999 mercury 200 efi. any problems or concerns I may be getting into or is it a solid motor? thank you for answers

Re: 1999 mercury 200 efi. opinions? [Re: Gonecampin2] #14424675 07/19/22 09:47 PM
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dan805 Offline
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Make sure all 6 injectors or whatever they are called in the ECU module are functioning properly. That is the issue I had dealt with.


There's only 1 way to Rock
Re: 1999 mercury 200 efi. opinions? [Re: Gonecampin2] #14424758 07/19/22 11:12 PM
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hopalong Online Confused
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good engine if taken care of. run some injector cleaner thru it often is all I do with my 95 200 xri/efi.


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Re: 1999 mercury 200 efi. opinions? [Re: Gonecampin2] #14424821 07/19/22 11:54 PM
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grout-scout Online Content
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Fuel sucking hogs, but seem to run a long time. (If taken care of)

Re: 1999 mercury 200 efi. opinions? [Re: Gonecampin2] #14427777 07/23/22 12:12 AM
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heybaylor Offline
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my 96 only uses a lot o gas when it is running, gets me to the area , then I shut it off,then put down the trolling motor


heybaylor
Re: 1999 mercury 200 efi. opinions? [Re: Gonecampin2] #14427988 07/23/22 12:11 PM
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Lazy Ike Offline
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fish My 2000 merc is still running good, on my ol p2 . That said i rarely run it w o t. Had it for 8yrs.

Re: 1999 mercury 200 efi. opinions? [Re: Gonecampin2] #14430831 07/26/22 07:33 PM
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ThaDudeAbides Offline
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i've got a 1998. great motor and always reliable. i don't believe they can run hours on that year model.

I would not hesitate to buy it if you have it checked out by a knowledgeable mechanic. a few things:

1. Bypass the oil injection and mix your own gas (if not already done).
2. get it serviced and they should/can test each of the injectors - if one fails, then you don't get oil to the cylinder = bad news.
3. run Mercury quickclean treatment with every tank.
4. Voltage regulators = these have known issues and can fail or catch fire. keep an eye on your tach and if erratic then replace. probably $400 to $500 to get new ones.

and of course - have the compression checked whichever brand motor you decide to go with.

Last edited by ThaDudeAbides; 07/26/22 07:34 PM.

**Professional amateur crappie fisherman**

1997 Nitro Savage 896, 200 HP Mercury EFI, Garmin Force, Garmin GPSMAP 1022 w/ Livescope, Garmin Ultra 122sv, Garmin 93
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