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[i]
BOAT, TRAILER, AND PWC REPAIR

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 #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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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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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[i]
BOAT, TRAILER, AND PWC REPAIR

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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thanx for the tip.  I didnt even think of that. 

Post #99367
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