I can find very little in 'net land:
http://www.speedzilla.com/forums/duc...y-install.html ....makes it sound like a difficult install but I know nothing of 999's however.
I'd normally recommend our latest supporter but I dont think they supply Odyssey batteries (999 link below)
http://www.mdsbattery.co.uk/shop/pro...partmentID=155 However, I used this dealer in the past and them very good:
http://www.shop.edirectory.co.uk/kni...y/pid/31735793 Sadly, he seems out of stock.
Good luck - Frank