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


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  #1  
Old 08-12-2021, 07:27 AM
Mikeyx Mikeyx is offline
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Default Lots of smoke, oil dripping on ground

Well, the headline pretty much sums it up.

The dripping takes place at the rear of the engine - close to the linkage. 'Oil' here refers to thin dark grey fluid. Smoke generation is abnormal and is greyish, not blueish.

So, is the gasket between the engine casings gone? Or are there two separate leaks (crank seal & case gasket)?

EC300, 2009.


EDIT: I just discovered that while replacing the cylinder I had mixed the two vent fittings. I had installed the one with smaller orifice to the transmission side, and it was completely clogged.

Last edited by Mikeyx; 08-12-2021 at 09:28 AM.
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Old 08-12-2021, 07:24 PM
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Gasser Nate Gasser Nate is offline
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You may have blown out the centre case gasket by running it with a blocked breather.
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Old 08-13-2021, 11:48 AM
Mikeyx Mikeyx is offline
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^Wouldn't it rather be the gasket which seals the case that incorporates clutch and water pump?
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Old 08-13-2021, 06:55 PM
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Could be any gasket or seal that contains gearbox oil. Usually the clutch gasket is metal cored so it is a lot stronger than the centre case gasket.
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Old 08-17-2021, 04:47 AM
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Sort it out yet??
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Old 08-17-2021, 12:08 PM
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Waiting for the parts to arrive.
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