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Breather pipe/Black sludge box

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I have just completed the FCR swap on my S and would like know what you guys that have done the conversion by buying an E bell mouth are doing about the breather pipe that goes to the black sludge box?

The S bellmouth had a fitting for this pipe, nothing on the one for the E.

I only just finished the swap and presently am running with no vent pipe. This is not good as I could be dragging in unfiltered air into my engine….

Can I plug the black box or will this upset the airflow and get oil leaking out of the valve cover?

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I'm not sure exactly what your doing with the crankcase ventilation system??. But?, keep the vent tube as high as possible, & beware of the possability of the engine getting water into the engine!!. Not only deep stream crossings!!. I found out the hard way on my XR650 that even washing the bike!!, could cause problems!! :naughty:

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