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water pump/lower unit
Since I bought the boat last Auguat, I have not changed the water pump. I took her out last week and she ran perfect! even wit the old plugs full of carb fogging crap.
The water preasure comming out of her isn't to strong, and I know I need to atleast change/look @ the impeller. My question is, how big a project is it? I charge alot of things head on, and I get lucky about 80% of the time, but I dont want to roll the dice with my engine if it is going to be a bigger project/risk then I think. Thanks for any incorregement or warnings you may have! |
Re: water pump/lower unit
You can do it, its a easy job!! Just make sure you get the hidden bolt out under the zinc plate and that the inpeller goes on the right way.
If you don't have a book on your motor I sugest you to go get one. It will be full of info! |
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I can't remember what motor you have, but if it's OMC, then don't forget about the bolt under the bottom carb; I had a really tough time getting to that one...
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Bolt under the carb for a water pump?? ???
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LOL, I/O on the brain. I think it's an OB BGA.
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Yeah, under the carb... In order to get to the impeller, you need to pull the lower unit off and to pull the lower unit off you need to disengage the shift rod on an OB.
Am I out to lunch again? That happens sometimes... :-/ |
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The Mariners are a little easier to change than OMC products because (depending on the years) you don't have to loosen the linkage bolt under the carbs.
Whatever you do don't rotate the shift dog (or gear) and get it out of time. If you don't have a book get one just for tech data. Frosen bolts are always fun. Merc-Mariner has a change in '94 on the water pickup tube pay close attention to the instructions with the pump. Holler when starting on it. ;D |
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Personally I'd buy the whole pump kit being it's the first time you've been in the foot, some improvements may have been made prior to '96. Oh, while your at it change the foot fluid. Get the pump and use Quicksilver fluid.
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Look in "General" (today on page 2) and under "make my life easier" on page 2 pics of a 75hp Mariner foot. I suggest making one of these brackets.
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Quote:
Thanks Fray :P |
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With mine they have a bolt hidden under that little skeg thing. I mark its location so the skeg is pointing the same direction as when it was removed.
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Thanks for all the tips and incorragwement!
You would think I could just order a water pump for the year/make/model of my engine.. But Noooo. If I want to get it @ westmarine I need to remove the old one 1st and them bring it in... Or to order the kist online I nee my engine serial #. So once it stops raing I am going to get the serial number off the negine and order the parts. Stay tuned!! ;D |
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The reason they ask for the serial number is that these motors are made in lots, not years, so if you buy a 2000 Mercury its a 2000, but if you buy it in 2001 then it is a 2001 till they sell that lot out.
At least thats how my mer was (1990) My friend had a mer just like mine and was a 1989, but serial numbers were only off by 78 numbers. |
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Yeah don't buy or order anything without the model #.
You will be surprised of half year changes. |
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A bet you all knew this question was comming ;D
Were is the serial # on an engine ??? I looked every were ::) |
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Two places depending on Mfr. Port side (left facing forward ;D) yoke, decal or stamp with rivets and on freeze plug looking thing on top of powerhead (looks like round end of carrage bolt).
I'll try to find pictures on net for your motor. Hang on, I got a "84 150 Mariner in the yard, I'll get a picture. |
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Well I'm only at 50%.
http://i175.photobucket.com/albums/w...Picture080.jpg |
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I'll have to look and see if your motor also has it stamped into the thing that looks like a freeze plug. Patience ;D
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By da way. How you be no u gots a "96 150 mariner? ;D
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Alright, it looks like there use to be a Mariner Plate on the Tilt cylender, but it is not eligable.
There are 3 diffrent stickers in the engine with bar codes, the 1st one reads: 7150412ET 2/3 Nitro - MA 150L (2.0:1) 1996 could that be it? |
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If I'm not mistaken the number you are looking for on a "96 should read like this.
OG303046 Look for a plate or sticker with the first two letters "OG" The last six digits are usually year and serial number. |
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Hmmm, Nope, none of the nubers I wrote down look like that ::)
I'll have to get a better look after work. tsubaki, thanks for all of your help! |
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When I look on Iboats the give me some codes regarding Model # and so on, but I cant decode the codes to find out a around were I need to be.
Does anybody have there decoder ring handy ::) http://www.iboats.com/Mariner_Water_...view_id.269266 I figure then I will know what numbers to look for on my engine. |
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Those #'s are for 20-30hp motors.
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This is some of the years and serial # range.
Serial number HP beginning-ending year 150 *5129480 - 5503246 1979 V6 150 * 5503247 - 5944790 1980/1981 V6 (80/81 = samma modellår) 150 *5944791 - 6220253 1982 V6 150 *6220254 - 6443212 1983 V6 150 *6443213 - 6616990 1984 V6 150 *6616991 - A904645 1985 V6 150 *A904646 - A969903 1986 V6 150 *A969904 - B241880 1987 V6 150 *B241881 - C100860 1988 V6 150 *C100861 - C221499 1989 V6 150 *C221500 - D000749 1990 V6 2,0 L 150 *D000750 - D081999 1991 V6 2,0 L 150 *D082000 - D181999 1992 + XR6 150 *D182000 - 0D284787 1993 + XR6 och EFI 150 *0D284788 - 0G129221 1994 + XR6 och EFI 150 *0G129222 - 0G303045 1995 + XR6 och EFI 150 *0G303046 - 1996 + XR6 och EFI 1500 (150,0) *3502806 - 3752619 1973 6 cyl inline 1500 (150,0) *3752620 - 4121434 1974 6 cyl inline 1500 (150,0) *4121435 - 4319879 1975 6 cyl inline 1500 (150,0) *4319880 - 4602011 1976 6 cyl inline 1500 (150,0) *4602012 - 4868997 1977 6 cyl inline 1500 (150,0) *4868998 - 1978 6 cyl inline 1500XS (150,0) *4868648 - 1978 6 cyl inline 150 XR2 *A905191 - A969903 1986 V6 150 XR2 *A969904 - B289429 1987 V6 150 XR2 *B289430 - 1988 V6 - sold intnl only 150 XR4 *B242885 - C100860 1988 V6 150 XR4 *C100861 - C221499 1989 V6 150 XR4 *C221500 - D000749 1990 V6 2,0 L 150 XR4 *D000750 - 1991 V6 2,0 L 150 XR6 *D082000 - 1992 V6 2,0 L |
Re: water pump/lower unit
Here's one of them things with the serial number that looks like a freeze plug.
http://i175.photobucket.com/albums/w...Picture084.jpg |
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I don't know if this helps or not, but Bigshrimpin posted this link in the links section:
http://www.warnersdock.com/Modelyearlookup.htm There, concerning Mariners it says, "Mercury/Mariner does not code the model year into the model number or serial number. The model year is determined by the first serial number sold during the model year. Example: Merc 115ELPTO with serial OT123456 could be 2001 and OT123457 could be 2002." |
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http://i175.photobucket.com/albums/w...Picture082.jpg
However this location is off an OMC |
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Most manufacturers have put these stamps in the powerhead because of the likelyhood of removal of the stickon barcode labels. If you have them labels most likely there is one of these serial # stamps on the powerhead.
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This is off a 75hp mariner.
http://i175.photobucket.com/albums/w...Picture086.jpg The location on it is lower rear, starboard side of powerhead. |
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tsubaki thanks again for all of your help!
I fond the stamp, serial # is 0G351669 The bad part is I was on the phone with iboats for 15 min, then Westmarine the same and niether of them can help me :'( they both sent me to sierra something or other that only deals with inboard engines! They said I would b=probably need to go directly to a dealer! THis is not looking good for this weekends fishing trip! :-/ |
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That booger should be around and not be a biotch to get. I'll look, don't expect much from me. ;D
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You'r my hero :-* In all seriousness Thank you very much!! I've looked every were and can't seem to find anything solid over 90hp engine :P |
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Just posting this for reference
COMPLETE WATER PUMP KIT #12094 65-225 HP w/ LARGE METAL PUMP HOUSINGup one level ***124; next Mercury Mariner Force Outboard COMPLETE WATER PUMP KIT #12094 OEM: 46-43024A7 65-225 HP w/ LARGE METAL PUMP HOUSING Price 1 SKU Name MSRP 1+ Qty. 12094 COMPLETE WATER PUMP KIT #12094 65-225 HP w/ LARGE METAL PUMP HOUSING $105.25 $84.20 |
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Again just looking. Not real sure these are correct
http://www.marinewholesale.com/24801...ter-Pumps.html http://www.mercurypartsexpress.com/P...e/homepage.asp This one is for 1985 and newer Item#150-18-3319 Water Pump Repair Kit For 150 horsepower Mercury/Mariner with Ser# A904646 & up. Complete with parts as pictured. Your price: $64.58 |
Re: water pump/lower unit
Ya, you would think I could just type in my info, then Wala! Water Pump, but Noooo.
I am going to take of the lower Unit tomorrow, (was going to doit today but my buddy has all of my tools!!) and then see what the impellar looks like. maybe for know I will just change that out. If i had good preasure I wouldn't even be worried, but @ idle or under say 1500rpms I just have a inconsistent spitting stream ::) |
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