Update got sump off found sump has a loose round diameter sponge 4mm thick same size as oil pump pick up strainer just lying in sump been there sometime as decomposed sponge what the f##k was that doing in there any ideas could that be why my oil light has been on checked strainer looks clean before...

cheers just keep whacking double checked bolts re moved i have all 17 as clymer manual states

i am trying to remove the oil sump,so far i have removed the exhausts,oil & filter the 17 bolts so far all ok but the sticking point is the sump is holding on tight like it wont release tapping with a piece of wood and rubber mallet not budging,i want to check the pump oil strainer for oil sludg...