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


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  #1  
Old 01-14-2020, 06:39 AM
eralha eralha is offline
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Default 2018 EC 300 not running well

Hi,
Last ride my bike started running bad, like its in a rich condition, i didn?t change anything it just starter doing that after a hard ride.
Next morning e took it for a ride again and changed the spark plug, it got a little better but the problem maintained, at the end of the morning the problem got a little wrost.

Took it apart and cleaned the carb and check the reeds all seems good, the problem is still there, i'm thinking if it can be something on the cilinder or piston or even crank seals.

Can some one point me on the right direction?

Thanks.


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Old 01-15-2020, 09:00 AM
eralha eralha is offline
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Update:

Last night i took out the oil on the gear box, and i took about 850ml out, i had put around 910ml.

Does this mean i have crank seal leak?
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Old 01-15-2020, 05:23 PM
fred99999au fred99999au is online now
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You should be able to pressure and vacuum test the sealed bottom end and this will give you an indication is it is a crank seal.
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Old 01-15-2020, 07:01 PM
Jacob 'Berg Jacob 'Berg is offline
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Quote:
Originally Posted by fred99999au View Post
You should be able to pressure and vacuum test the sealed bottom end and this will give you an indication is it is a crank seal.
You could also run some distinctively red ATF or tranny oil in the gear box and then pull the crank case drain bolt after running to see if there is any residual tranny oil in the crank case. If you do not run Dominator, or any red colored pre-mix....
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