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stewmo

200t does it have an oil tank vent?

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Wondering if the oil tank has a vent that could get clogged? Or does it rely on the pump pulling oil through?

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breather one way valve is in the bar mount if I remember correctly.  If you remove the chain and bar you should see it. 

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Any tank that has fluid drawn from it needs a vent to allow air to replace the fluids removed. The MS200T oil tank vent is under the upper nylon chain buffer on top of the bar mount. You will need to remove the buffer, remove the oil cap and get a bit of pressure from something like an air line on the vent and a bit of WD40 or carb cleaner to shift any issue.

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9 minutes ago, spudulike said:

Any tank that has fluid drawn from it needs a vent to allow air to replace the fluids removed. The MS200T oil tank vent is under the upper nylon chain buffer on top of the bar mount. You will need to remove the buffer, remove the oil cap and get a bit of pressure from something like an air line on the vent and a bit of WD40 or carb cleaner to shift any issue.

I was close at least. ;)

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You can also bash it in to the tank with a suitable drift and fit a new one if you are that way inclined!

 

....Yes, close:thumbup:

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Thanks a lot. I'll check it out.....can't quite see what else could be the problem....it draws oil but very slowly

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Partially blocked pick up filter, partially blocked oil pump, semi worn oil pump - is the pump on maximum setting? The worms are pretty indestructible but worth checking! 

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