Thanks for the replies guys but I am still confused!
Peter - I did the trash can bucket thing, this worked fine but was a bit of a pain in the ar~e, thought it would be easier to just fir an attachment.
Johny - I cant see from the phot what mod you have made apart from fitting a hose connection, am I missing something?
Turbodiesel - the link you gave looks like the same kit I linked but the blurb on the one I looked at is copied below which says to remove the prop, this was my confusion I dont know if you need to remove the prop for it to fit or is it just advisory for some reason I havent worked out.
PART NUMBER 12612Q2
MERCURY MARINER 6/8/9.9/15HP Engines with water inlet under cavitation plate.
You should remove prop when useing this flush kit
Dai - Good point I have changed my profile, I launched last Friday off the beach for the first time, all went really well so i am good to go. The best part was I launched and went out for just over an hour and had a great run around stack rock up to st brides and back, ease of launch means that it is worth launching just for a little spin. Are you West on the Bank holiday weekend?