So everyone.........the cause is revealed, it's not the Oilseal it's the housing that is a refurbished item that one has as an exchange unit and because it's not personal to the engine from new it is obviously slightly out of line on fitment and the crank boss was rubbing on the bottom of the housing, the "rub ring" can be seen to the extreme right on the boss, this butts up to the crankgear.
Hope this has been useful if not entertaining...............time to clean up the boss and fettle the case.
Last edited by omc 47; Jun 14th, 2018 at 14:16.
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