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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc.


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Old 10-19-2019, 04:30 AM
slodrew slodrew is offline
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Default ugh.. 2017 ec300 coolant in the oil and oil in the crankcase..

I recently bought this bike with a little over 50 hours on it and it runs great but somehow coolant is getting into the gearbox and a small amount of transmission oil found it's way into the crankcase.. should I pull the engine and split the cases? Can I reseal the cases without tearing everything apart? Any advice would be greatly appreciated..


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Old 10-19-2019, 06:26 AM
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Gasser Nate Gasser Nate is offline
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It may be transmission oil in the crankcase but it is probably residual two stroke oil. You might just have a leaking water pump seal or right hand inner crank gasket leak. Check there first.
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Old 10-19-2019, 09:45 AM
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+1

Water pump seals can be changed without pulling the engine.
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Old 10-19-2019, 11:45 AM
slodrew slodrew is offline
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that makes sense.. the red color threw me off but I'm running Amsoil Dominator so the red should be expected.. thanks!
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Old 10-19-2019, 03:42 PM
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gasgasman gasgasman is offline
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This workshop manual will apply to your bike.

https://www.dropbox.com/s/i93vw77r9k...anual.pdf?dl=0
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Old 10-19-2019, 05:00 PM
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Quote:
Originally Posted by gasgasman View Post
This workshop manual will apply to your bike.
You can download manuals for each model back to 2002 on the GasGas.com homepage.
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