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#1
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Need some help on an impellar....
I have never had to repace an impellar.....anyone have any pics of themselves changing one? Or any suggestions on changing one? I have an Alpha One outdrive.
thanks
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 CY 1984 V20 STEP LIFT I/O 470 MERCRUISER Wheeling, WV
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#2
03-13-2009, 07:43 AM
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Its so easy, a dog can do it.
This was when I changed the one on the Merc 150 that came on my V-20, I think all the Merc lowers are very similar.        
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*************************************** Stay Safe!  Sold - 1984 V-20 Cuddy with a 2003 Johnson 140 hp gas sippin 4-stroke. 1995 Ranger 250C with a 2015 Suzuki 300 hp 4-stroke.
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#3
03-13-2009, 07:47 AM
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As I recall, you want to put the thing in forward gear before you take it off, that keeps everything lined up.
And the hardest part was finding the hidden bolts, if it doesnt come off, keep looking for another bolt.
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*************************************** Stay Safe! Sold - 1984 V-20 Cuddy with a 2003 Johnson 140 hp gas sippin 4-stroke. 1995 Ranger 250C with a 2015 Suzuki 300 hp 4-stroke.
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#4
03-13-2009, 07:53 AM
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__________________
*************************************** Stay Safe! Sold - 1984 V-20 Cuddy with a 2003 Johnson 140 hp gas sippin 4-stroke. 1995 Ranger 250C with a 2015 Suzuki 300 hp 4-stroke.
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#6
03-13-2009, 08:54 AM
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Quote:
And get some help...specially liftin' it back into place once you've replaced the pump...linin' up the shafts while liftin' can be a beeyutch... 
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'74 V-20/ BF 150 '95 V-21/ BF 150 '84 V-20/ 200 2.4 Merc '87 V-20/'18 F150 Yamaha 
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#7
03-13-2009, 12:01 PM
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Here's a trick: Use your knee when you are putting it back in place to help hold it up while you are aligning it and push it into place.
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Tis better to be quiet and thought a fool than open your mouth and prove it!! 1991 V-20 cuddy I/O 350 volvo duo prop, 1998 15ft Grumman 9.9 Johnson  
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#8
03-13-2009, 12:59 PM
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On an ALPHA to do the water pump it is pretty much the same as a MERCURY outboard. You don't have to pull the whole outdrive off, just drop the lower from it. You have to remove the trim zinc to get to the hidden bolt, and make sure it is in forward before dropping it. Also drain the lower before you drop it down as the upper and lower use the same oil and you will have a mess if you don't drain it first. Also make sure and install a complete kit with base, and don't forget the little square o-ring that goes into the lower for the oil passage.
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2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR 2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD  AND THE PINK JEEP!!!! R.I.P. http://www.wellcraftv20.com/communit...ad.php?t=11664 
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#10
03-13-2009, 05:33 PM
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ya'll beat me to it.
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Linear Mode
