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11-03-2004, 10:29 PM
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#1
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Typhoon 29 - Black Nutz!
Join Date: Feb 2001
Location: Edison NJ USA
Posts: 3,566
RACE BOATS
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Water pump issues!!!
Went out today and tested for 10 min. and smoked another water pump. Has anyone had any problems with water pump failers on 525. motors? This could be my fault on the insalation with the wrong rotation but we went through 3-4 impellers in 2 years. Trophy ***** says he swears he did it by the book!!! 
MD
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11-03-2004, 10:55 PM
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#2
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Enjoy the show
 VIP Member
Join Date: Feb 2001
Location: The Joisey Shore
Posts: 10,241
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Re: Water pump issues!!!
Warm up your sponges. 
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11-04-2004, 12:37 AM
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#3
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Registered
Join Date: Apr 2001
Location: Wisconsin
Posts: 318
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Re: Water pump issues!!!
Check the hose in the transom assembly. I have seen them pushed up by water pinching it between the bellows and bell housing. I have also seen them pulled out of the "groove" around the bellows area on the main housing. If the hose bends or pinches out of round with the engine running fast, it can suck the hose shut and won't pop back until the engine is shut off, causing quick impeller failure. These events happen more often with stand-off boxes.
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11-04-2004, 07:29 AM
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#4
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coolrunning racing
 Platinum Member
Join Date: Feb 2001
Location: cape cod
Posts: 377
built myself 1994
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Re: Water pump issues!!!
does the sea strainer have a relief valve in the top? is the top of the strainer clear? I would watch the strainer for a lot of air bubbles , it might not be a restriction but an air leak. temporarily replace the drain plug on the sea strainer with a barbed nipple and connect a pressure / vacuum gage to find out what is going on in the system before the pump.
one other thing is do not use grease to install the impeller use liquid dish soap.just some stuff to look at.
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11-04-2004, 07:30 AM
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#5
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BenHedrick dot com
Join Date: Dec 2000
Location: Ormond Beach, FL
Posts: 1,393
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Re: Water pump issues!!!
Candy,
It really seems to me, that it is DEFINITELY the throttleman's problem... I am sure in some way, or some how, you are doing something wrong...  It's got to be you.
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11-04-2004, 07:41 AM
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#6
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VIP Member
VIP Member
Join Date: Sep 2002
Location: JERSEY, Where Else!
Posts: 5,693
1996 Wellcraft Scarab
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Re: Water pump issues!!!
Mad Dog, go to Smittys and ask him to put the pump in!
__________________
P4-13 Team THE JERSEY BOYZ OFFSHORE RACING, Wazzup Racing Engines. OPA/ SBI/APBA/UIM. PRESIDENT: The Jersey Boyz, VICE-PRESIDENT: OPA RACING, The Great South Bay Racing Association
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11-04-2004, 08:18 AM
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#7
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Registered
Join Date: Mar 2002
Location: St. Petersburg, FL
Posts: 5,141
Throttle Up Propellers Manufacturer
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Re: Water pump issues!!!
What does your water pressure gauge read....before the pump smoke checks?
Julie
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11-04-2004, 08:20 AM
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#8
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650 NOPPER/SUTPHEN
Platinum Member
Join Date: Nov 2003
Location: Fairhaven Ma
Posts: 812
1991 SUTPHEN 26
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Re: Water pump issues!!!
Try switching the the Bulldog style seawater pump. Its like the old style w/ wear plates on both sides of the impeller. Part# 46-72774a89 body/impeller kit, rear cover 87631a4, wear plate 94916, wear plate 94576. I switch all 1 piece style pumps to this version and they take alot of abuse.
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11-04-2004, 10:26 AM
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#9
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Registered
Join Date: Oct 2000
Location: Prospect, Ky
Posts: 460
1993 Stryker
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Re: Water pump issues!!!
Check the front bearing,replace housing.
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11-04-2004, 11:34 AM
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#10
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VIP Member
VIP Member
Join Date: Apr 2003
Location: Brick NJ
Posts: 3,090
Fountain SV-1 Viper V-32
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Re: Water pump issues!!!
Take the pump off and just go fast
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