Oil is shared. But,the older motors like the DRZs they came from were of the dry sump variety so you might have given me something to look at with your comment re: evacuating air from the motor. When the bike overheated it did release a bit of oil into the air cleaner compartment.With the new head gasket It no longer does that but it is possible that the vent lines to the air cleaner or from the head back to the frame are blocked.
Tony
Last edited by cal_tony; 05-19-2012 at 09:50 AM.
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