Question about 2003 Yamaha YZ 125

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How to remove impeller shaft seal YAMAHA YZ 125

Is there a special way, or can i just yank it out with a pair of pliers.

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  • Anonymous Mar 13, 2009

    how to remove water pump impleller on 2005 yz 125 yamaha

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  • 46 Answers

Hi,

The correct procedure is to remove the RHS engine cover. Then remove the impeller and impeller shaft.
Now press out the seal.
If you yank it out, there is a good chance of damaging the shaft or housing. This will be costly in the long run.

Enjoy the ride

Jon

Posted on Mar 05, 2009

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1 Answer

Engine problem


Water coming out of the hole is to indicate that the pump seals need to be replaced. Some water is probably in the gearbox now. If the oil is whiteish you do. Pull the right case cover then remove the pump cover and the impeller then replace the seals. Remove the liquid gasket so that the hole is open again. You can see a parts diagram at www.babbittsonline.com Click on the red "OEM PARTS" tab. Items 6 and 7 are the seals separating the water from the oil. Put a wrench on the impeller shaft next to the gear, then unscrew the impeller as if it were a screw. It would be good to replace the gasket (item 10) as well. Please take a moment and rate my answer to your problem.

Jan 03, 2010 | 2003 Yamaha YZ 125

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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

1 Answer

2003 yz impeller seal is leaking, do i need to replaice head gaskets thanks ian


I am not sure what you mean by impeller seal so here are a few scenarios:

**Note: Based on YZ250. others may be similar.

-If the gasket around the impeller housing is leaking you can replace that on its own. Open rad cap, drain the coolant using the lower screw with the copper washer behind it. Then remove the other 3 bolts, remove cover, clean mating surface, install new gasket, snug everything up, and replace the coolant.

You don't need to replace the head gaskets unless your leaking from there, or getting coolant in the engine.

The same would apply to your base gasket.

just in case:

-if your transmission/gear oil is milky, your will have to change the oil seals on the impeller shaft.


Jul 17, 2009 | 2003 Yamaha YZ 250

1 Answer

How do you remove the clutch release shaft lever


You will need a seal removal tool. You may be able to get them on ebay, otherwise denis kirk or local yamaha dealer.

Jul 13, 2009 | 2003 Yamaha YZ 125

1 Answer

Oil is leaking out of the shifter assenbly on my 2001 yamaha yx 125. there appears to be some type of seal there. how do i change it?


Most often, the shifter shaft seal is on the inside of the left-side engine/transmission cover. Check this with your repair manual. If so, you would need to remove the shifter assembly from the shifter shaft and then remove all the machine screws that hold the cover on and remove the cover (sliding it off the shifter shaft). If this is the case, you will also need a replacement cover gasket in addition to the shift shaft seal and it will be much less messy if you drain the engine oil first. Also, take care in re-installing the new seal and wrap the knurled end of the shifter shaft with tape prior to sliding the cover back on so it doesn't damage the new seal.

Jul 09, 2009 | 2003 Yamaha YZ 125

1 Answer

2000 yz125 - Water pump seal change


The two seals in the diagram below are separated by the casing they fit into. The impeller is threaded to screw onto the impeller shaft. I think you already knew that by your "holding the tire" note. The center casing does not get split. The right casing does remove then a wrench is used on the shaft as the impeller unscrews counter clockwise. It is risky to "Lock the wheel" because the gear on the impeller is very thin and can break.

A “very helpful” rating on this answer? Thanks!

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Jul 01, 2009 | 2003 Yamaha YZ 125

1 Answer

IM TRYING TO FIGURE OUT HOW TO REMOVE IMPELLER TO REPLACE SEAL 2001YZ 125 LEAKS WATER


The impeller screws onto the impeller shaft. Go to the site below and you can see a parts diagram. You will select the brand, year, model, etc... It has the part numbers and prices.
http://www.babbittsonline.com/pages/parts/viewbybrand/1/Yamaha.aspx

There are actually two seals. Are you sure the leak is a bad seal and not the water pump gasket or a cracked/broken housing cover?

Please post a top rating for this solution. Thanks! :)

May 19, 2009 | 2004 Yamaha YZ 125

1 Answer

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if there is a nut in the middle of the impeller undo it then push the shaft through the caseing.

Mar 29, 2009 | 2003 Yamaha YZ 125

3 Answers

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you might have to split the case to get to the back side of the impeller.

Mar 28, 2009 | 2004 Yamaha YZ 125

1 Answer

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change the seal behind the water pump impeller
the shifter shaft seal will stop leaking
if it continues to mix water and oil you will have to change the head gasket

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