Taken from posts on tw200forum.com and also preserved here for posterity:
Service manual: http://www.mediafire.com/?34muedntyxz
2001 and newer: supplement to the Service manual: http://www.mediafire.com/?0mzulnyzogg
Owner Manual: http://www.mediafire.com/?8zubjzjyioj
Parts diagrams for various years of TW200 (from Yamaha Mexico, but in English) : http://www.yamaha-motor.com.mx/Manual_Partes/catalogo.php?cate=On-Off&mode=TW200
For what it's worth: I really appreciate being able to get valuable, free information like this, so I would also suggest that while you are visiting the free downloads hosted on mediafire, please help to support the MediaFire free hosting site (or for that matter any site you utilize) by taking the time to visit a few links to their advertisers. You can also make a donation directly to mediafire (it can be found under Support---> General Questions--->How can I send a donation to Mediafire ).
two 2009 TW200y, ricochet skid plates, did o-ring chains, chinese / ebay oversize foot pegs, Moose Racing Expedition rear rack (just like the TCI Borrega)