| Yep
Big oil seal at back of Clutch drum.
There is no other way of getting oil in there I dont think, other than the pushrod.
Nelly is in Italy at Monza so wont be able to reply but give him a calll on tuesday for his advice.
I have heard of a few that have gone and I will be replacing mine on the SP when I bolt it back together just to make sure. | 
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