Man you guys are anal. It's British M
orks, right? Well British bikes leak, end of story.
Oh and Stagehand to the bike-wash station courtesy phone, plz
After years of futzing w/ all the sealant solutions mentioned here, i went w/ ol' Snowbum
using a dry/new/stock sump gasket and wrist-torque w/ a 1/4 inch short ratchet. Bone dry on 2 motors that are ridden in dirt heat cycles