I would assume if for copyright protection alone there would not be a digital version available of a manual that is for sale. If so, many people would be distributing them for free like people who think illegally distributing music is ok.
Sometimes you can find a shop manual for sale by someone. The Haynes manual is pretty good and sells for less than half the price of the Triumph manual. I own both. If I could only have one, I'd probably have the Haynes but I'm not the serious wrencher type and I like pictures.
