Ok people i'm planning on dropping the oil and replacing oil & filter over the bank holiday, quick few question's will i need to replace the sump gasket majiggy? also (i think its in wrong section, well it is but yeah.. shhhh !) my bike is running rich i can tell this as i get a strong smell of the fume's on idle and lots of smoke when warming her up between 2-3k rev's will this be to do with jet's or a fiddle with the mixture screw majiggy? thanks in advance!

I havent changes my copper washer yet and ive done 2 oil changes

Good too hear! i've got one on order anyway, i'll drop the oil today and see how it fairs! cheers buddy!