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  #1  
Old 20-04-2006, 08:54 PM
lowrider37 lowrider37 is offline
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Unhappy Kawasaki GPX750R water pump

Hi.
I have a water pump that is leaking from the tell tale hole (so the seal is shot) Is it possible to replace these seals or is the impeller shaft tamper proof. (Dealer says gotta buy a new one pal 140 please.) I said Fek off pal. (at least for now.) Bit worried about attempting stripping it as it only leaks abit (I know it will get worse but at the moment its only a small leak) also if it is possible to strip it & replace seals I what to get them first as I need the bike daily. (Dealer won't say if it can be repaired he just wants to flog me a new one.) can anyone help me out please.

Cheers Gasman
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  #2  
Old 20-04-2006, 08:58 PM
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Ring Z Power, they may be able to help you out

details on their website www.z-power.co.uk
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Old 20-04-2006, 09:03 PM
lowrider37 lowrider37 is offline
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Thanks Grav i'll give them a try.

Cheers mate.
Gasman
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Old 20-04-2006, 09:05 PM
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I've had a rummage and come up with this.

http://www.kawasaki-rider.co.uk/forum/index.html

have a read and tell me if it's the same as yours.

Kawasaki Rider Forum Index -> Running & Tuning Problems
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Cuffyrex
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Joined: 20 Apr 2004
Posts: 17
Location: Lincoln
Posted: Sat Feb 18, 2006 9:50 pm Post subject: Rx water pump oil seal

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Has anyone replaced the oil seal on end of the drive shaft of the water pump ? The 35 mm ' O' ring on the outer part of the shaft was pretty chewed up, but on reading the Haynes it says that if either the water or oil end seals fail then the liqiud will run out of the breather hole..which is where the oil drip on to the zorst might have come from. The parts list I've seen does'nt show any other seal other than 'o' ring. Cheers Rob.

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cockneytaff
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Joined: 23 Jan 2006
Posts: 257
Location: South Wales
Posted: Sun Feb 19, 2006 8:08 am Post subject:

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wonder if they are referring to the seal that splits the pump?
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cockneytaff
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Joined: 23 Jan 2006
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Posted: Sun Feb 19, 2006 8:21 am Post subject:

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ahh, hang on, Ive just looked at my GpZ1100 manual, the water pump looks pretty much the same and the manual talks about a mechanical seal which if it fails means a new pump????

But thats for coolant leakage I think not oil, anyway, hope this helps.

Heres a pic

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Cuffyrex
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Joined: 20 Apr 2004
Posts: 17
Location: Lincoln
Posted: Sun Feb 19, 2006 8:36 pm Post subject:

--------------------------------------------------------------------------------

Thanks Cockneytaff, the diagram helped. I prized out the rubber seal from the oil end of the shaft today....Not a snug fit on the shaft , and it seems hard to believe that the oil has got past the bearing aswell to get to the drain hole. I am sure this rubber seal is replaceable from Kwak dealer or local bearing supplier cheers Rob

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JasonQ
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Joined: 21 Apr 2004
Posts: 90
Location: Yateley, Hampshire
Posted: Mon Feb 20, 2006 1:15 pm Post subject:

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if your RX is a gpz1000 rx then I think (please check your self) that it's the same water pump set up as the gpz900r - I bought a water pump service kit from www.gpz900r.co.uk which stopped oil leaking from mine - I did intended to replace the bearing with those in the kit but for the life of me couldn't workout how to remove the old ones without knackering the pump. It was a very simple job - provided you're up to removing body work, draining and replacing coolant etc.

Jason

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Cuffyrex
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Joined: 20 Apr 2004
Posts: 17
Location: Lincoln
Posted: Mon Feb 20, 2006 8:29 pm Post subject:

--------------------------------------------------------------------------------

Thanx for the link Jason, the repair kit looks the same as the seals I've seen in my gpz 1000rx pump . I might just try the local hydraulic specialist to see if they can get the seal for the inner shaft as the i-d numbers are clearly seen on the old seal. Local Kwak dealer can get the 'O' rings in a couple of days. Though sods law will mean that I put the lot together and then water will p**s out , so will have to bin the lot! 135 a new pump BTW.
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Old 20-04-2006, 09:16 PM
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And a bit more of a rummage came up with this

http://www.internetcommerce.com/isapi/EVisions.isa?SF_ProdDescription('WP001')&EvApp=sf. 4030
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Old 20-04-2006, 09:20 PM
lowrider37 lowrider37 is offline
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Thanks for info Grav Good on yer mate.

Gasman
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  #7  
Old 20-04-2006, 09:53 PM
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Glad to be of help.
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  #8  
Old 20-04-2006, 10:35 PM
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most aftermarket water pumps are recons. so it is possible
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  #9  
Old 24-04-2006, 01:10 PM
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This is what the Craig the GPZ900 guru has to say onthe subject.
http://www.gpzzone.f9.co.uk/pdfcat/cooling-8.pdf[/URL]
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