Question about 2003 Yamaha YZ 125

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How do i replace the water pump seals,on my yamaha yz 125. 2004

Posted by Anonymous on

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Hi, Suttyturbo for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
2004 yz 125 waterpump seal replacement
2003 YZ250 water pump seal replacement
YAMAHA YZ125 Owner Service Manual
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Posted on Jul 19, 2016

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  • 2 Answers

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Posted on Jan 02, 2017

  • 46 Answers

SOURCE: yamaha yz 125 2001.water leak

Yes, the water seal is leaking. This is the indicator hole for the water and oil seal.
Enjoy the ride !

Jon

Posted on Mar 01, 2009

  • 46 Answers

SOURCE: How do I change the oil seal on the water pump on

Hi,

This is a mechanical oil seal. In order to replace it, you will have to remove the right hand side engine cover. The seal is located in this cover.

If you are not an experienced mechanic then you should take your bike to a dealer.
NB use the genuine part for this bike.

Good luck

Jon

Posted on Mar 05, 2009

  • 3567 Answers

SOURCE: I have a 95 yz 125 head and 98 yz 125 bottom end.

You have a 50/50 chance that they will work okay. All the mounting holes need to line up and the cooling holes as well. Get a head gasket for the '98 and see if all lines up. Will the exhaust pipe fit the '95?

Posted on Apr 30, 2009

  • 3567 Answers

SOURCE: how do i decode yamaha yz 125 engin id number

You don't decode it. It is only a production run series number. Mororcycles are like cars in that respect. It is the frame number, AKA the "VIN number", is what carries all the information. Call a dealer with the frame number and he can tell you year, paint color, specific model and more. They may have a problem if the bike is too old. Yamaha changed to a newer code system a few years back.
Can I get a “very helpful” rating on this answer?

Posted on Aug 28, 2009

  • 170 Answers

SOURCE: yz 125 water pump seal

GET A SMALL SCREW DIVER IN BETWEEN THE SHAFT AND SEAL PRY IT OUT WITH OUT DAMAGING THE SHAFT THEN USE A SOCKET FROM A TOOL KIT THAT FITS PERFECTLY AROUND THE EDGE OF THE NEW SEAL TO HAMMER IT BACK IN

Posted on Aug 31, 2009

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1 Answer

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Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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Jan 13, 2014 | 2004 Yamaha YZ 450 F

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How do you change the water pump seals on 2002 yz426f?


Hi, Siple7989 for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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Jul 15, 2011 | 2002 Yamaha YZ 426 F

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I have a yamaha yz426f that leaks water all the time from a small hole in the right hand side of the head whats the fix? it starts has awsome power but obviously needs looking at


I have a 2001 YZ426F and I had the same problem. The reason why is leaking because the water pump seals needs replacement and so the water pump shaft. You can still ride it, but you run the risk of overheating your bike. I recommend replacement of the water pump seals and shaft and you are good to go!

Dec 11, 2010 | 2001 Yamaha YZ 426 F

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How to replace water seal


remove clutch cover,hold water pump shaft on flats on shaft and undo impellor by nut cast on impellor. remove old bearings and seals.check shaft for grooving where seal runs and replace if any.assemble in reverse order with new seals and bearings etc

Jun 22, 2010 | 2004 Yamaha YZ 450 F

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My 2000 Model YZ 426 is leaking coolant fast from under the water pump. Is the problem likely to be some sort of seal needing replacing or something bigger?


If it is leaking directly under the water pump then the water pump stem seal is bad and the water pump will have to be replaced.

Thanks for using FixYa!

Kelly

Mar 03, 2010 | 2002 Yamaha YZ 426 F

1 Answer

I have a 1998 yz 125 and im finding water in the gear case and i replaced both seals in the water pump where could it be coming from


If we are to assume it's coolant and not water being introduced through the crankcase vent hose, there are only two possible places for this transfer to occur - the water pump seals or the clutch case cover gasket. Those are the only two direct interfaces between the coolant and the transmission fluid that exist on that bike.

You replaced the seals - did you replace the bearing too?

Jan 08, 2010 | 2003 Yamaha YZ 125

1 Answer

Yz 125 water pump seal


GET A SMALL SCREW DIVER IN BETWEEN THE SHAFT AND SEAL PRY IT OUT WITH OUT DAMAGING THE SHAFT THEN USE A SOCKET FROM A TOOL KIT THAT FITS PERFECTLY AROUND THE EDGE OF THE NEW SEAL TO HAMMER IT BACK IN

Aug 31, 2009 | 2003 Yamaha YZ 125

3 Answers

Leaking both oil and a mixture of oil and water


well when you have water and oil both leaking it most of the time means a head gasket or in your case a jug gasket

May 25, 2009 | 2004 Yamaha YZ 250

2 Answers

Yamaha yz 125 2001.water leak


Yes, the water seal is leaking. This is the indicator hole for the water and oil seal.
Enjoy the ride !

Jon

Mar 01, 2009 | 2003 Yamaha YZ 125

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