Size is 14mm. I use a socket.

Try this;

http://www.ebay.co.uk/itm/14mm-Hex-O...item5d36c6b14f

Does seem a little daft not to include one in the tool kit, but hey if you buy a BMW F800 you get a little less than nothing as a tool kit.

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DickyC

Gun Metal Grey 2014 XT660Z
'Advice is sought by someone who knows the answer but doesn't like it'

'The adsence of alternatives clears the mind marvelously'