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Old 08-21-2014, 06:14 AM   #1
DerViking OP
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Location: Black Bill Park
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So I came home from Ute Cup with Pepto Bismol in my transmission

Like the title says....

Ute was very wet, it is possible I could have fully submerged the engine, but I am not sure where water could get in. I don't think I ingested any through the air box. My bike is a 09 Gas Gas ECO 280.

That leaves the water pump correct? I didn't twig to it at the time, but each time I refilled the radiator after boiling, it took much more water than I thought it should. I think the water in the oil explains it.

I have drained the emulsified mixture out of the bike, and plan to refill it and change it after a ride. But...

If I do have crossover (likely) where do I go looking? And is there any point putting oil in it before fixing?

Great Ute Cup though. The Busches really threw an event (like usual) 90 miles(really! I carried a GPS) and 80 sections. My hands still hurt.
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Old 08-21-2014, 07:17 AM   #2
BEEF706
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On my older Gasgas, it was the seal on the impeller shaft. They made a kit for the old ones , but I think that just brought it up to the new spec, which yours already is. It is the exact same symptoms though, so might be worth a look.
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Old 08-21-2014, 07:55 AM   #3
laser17
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waterpump repair vid from GG usa

https://www.youtube.com/watch?v=AEqQ...7HJpw&index=73
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Old 08-21-2014, 10:04 AM   #4
ridenm
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Quote:
So I came home from Ute Cup with Pepto Bismol in my transmission


Treatment for Gas-Gas gas?

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Old 08-21-2014, 06:04 PM   #5
Zuendapp
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Location: Northern Central Pa.
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My Friends 2011 GasGas 280 had the same problem recently antifreeze in trans oil.

He was advised by the dealer to purchase a complete kit, Seal, "O" rings and shaft and impeller. If the seal is worn the shaft maybe worn also. Plus his thought was to fix it once and not chance that it was only the seal gone bad.

Your GasGas dealer should be able to recommend what you need.

Terry
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Old 08-21-2014, 06:25 PM   #6
laser17
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I agree with Z. If you have a 09 - get the kit with the seal and shaft and be done with it.
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Old 08-21-2014, 07:05 PM   #7
lineaway
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It takes 5minutes to pull it apart. Check the shaft. If it is grooved buy the kit. If is good, just buy the seal. Ps. check the impellor is still attached.
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Old Yesterday, 09:52 AM   #8
motobene
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I did a write-up on this not long ago when my 300 started doing to Pepto Bismol thing. This'll explain what very clearly why the seals start to pass water and how to fix it:

http://advrider.com/forums/showthread.php?t=952494

In my case the engine had had a bearing failure previously on the water pump side, allowing excessive up-and-down motion which accelerated seal wear because on GasGas, the water pump shaft runs direct off the crankshaft, thus at higher rpm than with the more traditional geared-down water pumps. The crankshaft is the inner support for the shaft. Brilliant simplicity!

It has been 17 months since I redid mine according to the thread:

- Replaced the seals
- Re finished the slightly worn shaft
- Assembled with maximum grease packed between the two seals

Problem free so far.

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