July 11, 201412 yr any ideas why occasionaly my crank case runner breather tube drips engine oil only slightly and occasionally
July 11, 201412 yr Yes, oil splashing around the gearbox and a little gearbox pressure forcing a little into the tube
July 12, 201412 yr It IS a breather and vent, if no excess, no issue. If you tip the bike in a crash, you may get more, and they may also find their own level if overfilled! Tube is best run up over the carb inlet then down to skidplate level. There are other reasons for this as well. Edited July 12, 201412 yr by copemech
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