1989 90hp water pump
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1989 90hp water pump Expand / Collapse
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Posted 4/20/2008 6:00:57 PM


Mingo

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I need to pull the lower unit off my johnson.  I took all the bolts out but the lower unit wont drop down.  Any suggestions.  I've changed many water pumps on my merc and 2 on my other johnson.  but this one isnt comming off like the others. thanks in advance.
Post #99316
Posted 4/20/2008 6:02:26 PM


Trigger

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did you disconnect the shift shaft under the carbs?

The Maintenance Shoppe LLC
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Post #99317
Posted 4/20/2008 6:04:18 PM


Mingo

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no i cant figure out how.  on my other johnson there was a bolt that went through it.  this one looks like its just one piece. theres no bolt
Post #99319
Posted 4/20/2008 7:15:59 PM


Mingo

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ok figured it out.  but i have a problem see today my motor quit peeing well it would pee when we were moving but at an idle it wasnt. so i figured the impeller was bad. but it looks brand new.  i just changed it in jan.  any sugestions?
Post #99348
Posted 4/20/2008 7:27:59 PM


White Marlin

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thermostat????
Post #99349
Posted 4/20/2008 7:42:14 PM


Mingo

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Last Login: 6/15/2009 11:48:32 AM
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thought that to so i took it out and its still doing it.  i have another motor that is the same so i'm thinking of pullin the lower unit off that one and putting it on and seeing what happens
Post #99361
Posted 4/20/2008 7:50:12 PM


Trigger

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Last Login: 6/19/2009 7:33:06 PM
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Your water pressure bypass may be stuck open. You can try blowing compressed air in the pee hole while the engine is running.

The Maintenance Shoppe LLC
SALES, INSTALLATION, AND SERVICE
*RAYMARINE *GARMIN *FURUNO *LOWRANCE *KENWOOD *BAZOOKA

Your boat repair and customization headquarters
1 mile west of Scenic Hwy on Creighton Rd
4048 Creighton Rd.
Pensacola, FL. 32504
850-221-6789
http://www.themaintenanceshoppe.com
Post #99363
Posted 4/20/2008 7:56:54 PM


Mingo

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Last Login: 6/15/2009 11:48:32 AM
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thanx for the tip.  I didnt even think of that. 
Post #99367
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