I bought a Haynes manual from Brent and a manual off ebay that appears to be the Triumph oem manual. They both have their strengths - pictures in the Haynes manual and exploded diagrams in the oem manual. I refer to both manuals frequently.
Here's a link to the ebay manual.
http://cgi.ebay.com/ebaymotors/Triumph-B...sspagenameZWD1V