zx12mark
Pro
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posted March 04, 2007 04:32 PM
zx12r water pump
anybody had to replace their water pump.....what year was your bike and at what mileage.
   
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MadMike
Moderator
FEAR THE BLACK FLAG!!!!!!!!
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posted March 04, 2007 06:33 PM
I know a couple of people that have, but it usually is from chewing up bearing parts...
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zx12mark
Pro
Posts: 1654
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posted March 04, 2007 08:48 PM
ya mean crankshaft bearings
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entropy
Moderator
Posts: 8671
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posted March 04, 2007 09:24 PM
there aren't really any wear parts in the water pump except for the lil mechanical seal between the water and oil pumps, and i have never heard of that seal wearing out.
Like mike says, when junk gets into the oil, it will score the oil pump, but not the water pump/
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zx12mark
Pro
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posted March 04, 2007 11:08 PM
mine is 2000.i bought new .it has 37000 miles now.seals went bad and started to leak out the weep hole.
i have change coolant once a year for one reason or another.
forget about taking the seals out of the body. they were seized up.just buy new body ,seals and o-rings from ron ayers.100 bucks.easy job.
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entropy
Moderator
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posted March 05, 2007 12:58 AM
Mark, remind me where the weep hole is???
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zx12mark
Pro
Posts: 1654
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posted March 05, 2007 10:31 AM
on the very bottom of the water pump body.even with the fairing on you can run your finger across it.there is a little square section in the casting that has a hole drilled in it.
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entropy
Moderator
Posts: 8671
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posted March 05, 2007 10:35 AM
quote:
on the very bottom of the water pump body.even with the fairing on you can run your finger across it.there is a little square section in the casting that has a hole drilled in it.
cool, i never noticed that. Thanks!
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zx12mark
Pro
Posts: 1654
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posted March 05, 2007 11:23 AM
i'm beginning to think that the hose that goes to the bottom of the coolant reserve tank that was pinched for a couple of months cause the pump to fail.sometimes the tank would be completely full and then some times very little.sounds like maybe the system could'nt flow enough and blew the seal.
this is why i posted on all the sites.it's looking like i caused this myself.
SO WATCH THAT HOSE!
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entropy
Moderator
Posts: 8671
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posted March 05, 2007 12:53 PM
I would think that the hose from the bottom of the overflow to the rad neck would blow off when the rad gets hot if it were plugged. But i don't reaaly understand the coolant system completely. Maybe the seal blew before the hose???
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