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Old 05-27-2014, 05:21 PM   #1
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Default 120 L-Drive Impeller housing question

1990 Force L-drive 120 motor. Is over heating at high rpms. Going to start with impeller and saw that the plastic housing is cracked. Question is....the rebuild kits I find have a white plastic pc included that fits in the hole in the housing beside the drive shaft. When I pulled my lower unit it did not have that pc there. WHAT IS IT AND DO I NEED IT IT!?!? The rebuild kit is for a 85hp-125hp85hp-125hp motor.
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Old 05-27-2014, 05:27 PM   #2
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pictures or diagram?
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Old 05-27-2014, 07:21 PM   #3
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Hey there Mike. I don't think I can post pix yet but I will try and put one in my "albums" folder.
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Old 05-27-2014, 07:29 PM   #4
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The white cylinder pcScreenshot_2014-05-27-14-23-18.jpg
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Old 05-27-2014, 07:31 PM   #5
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This is my current cracked housing 20140526_140149.jpg
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Old 05-28-2014, 01:13 AM   #6
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The crack is tight so doubt much water pressure would be lost.

The white sleeve connects the pump output to the water tube in the upper half. Look to see if the old one stayed on the upper tube.
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Old 05-28-2014, 03:43 AM   #7
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Ok. Well I hope between the housing and the impeller it will fix my problem. Is there any sealant or anything I should use when reinstalling the gaskets and the plate?
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Old 05-28-2014, 12:35 PM   #8
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I use mercruiser perfect seal on the gaskets.
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Old 06-16-2014, 10:38 PM   #9
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Ok Mike. I have everything put back together and my propeller is running while I'm in neutral.....
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Old 06-17-2014, 02:38 AM   #10
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I know with Alpha drives the lower must be installed while in forward gear and Bravos are done in neutral.

How did you install yours?
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