Honda
http://www.honda.co.jp/manual-motor/
Ducati;
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Service manuals, parts catalogues, etc...
http://www.ducati.com/bikes/catalogs.jhtml?MY=2003
http://www.ducati.com/doc/manuals/SS1000_ENG_MY04.pdf
http://www.ducati.com/doc/manuals/ST4sABS_ENG_MY04.pdf
http://www.ducati.com/doc/manuals/ST3_ENG_MY04.pdf
http://www.ducati.com/doc/manuals/S4_ENG_MY04.pdf
http://www.ducati.com/doc/manuals/MR_ENG_MY04.pdf
http://www.ducati.com/doc/manuals/99...ra_de_MY04.pdf
http://www.ducati.com/doc/manuals/999_999S_ENG_MY04.pdf
http://www.ducati.com/doc/manuals/99...x_ENG_MY04.pdf
http://www.ducati.com/doc/manuals/998FE_ENG_MY04.pdf
http://www.ducati.com/doc/manuals/74...ra_de_MY04.pdf
http://www.ducati.com/doc/manuals/749_749S_ENG_MY04.pdf
http://www.ducati.com/doc/manuals/749DARK_ENG_MY04.pdf
http://www.ducati.com/doc/manuals/MTS_ENG_MY04.pdf
http://www.ducati.com/doc/manuals/SS1000_ENG_MY03.pdf
http://www.ducati.com/doc/manuals/SS800_ENG_MY03.pdf
http://www.ducati.com/doc/manuals/M6...t_ENG_MY03.pdf
http://www.ducati.com/doc/manuals/ST4sABS_ENG_MY03.pdf
http://www.ducati.com/doc/manuals/ST4s_ENG_MY03.pdf
http://www.ducati.com/doc/manuals/ST_ENG_MY03.pdf
http://www.ducati.com/doc/manuals/S4_ENG_MY03.pdf
http://www.ducati.com/doc/manuals/M1000_ENG_MY03.pdf
http://www.ducati.com/doc/manuals/M800_ENG_MY03.pdf
http://www.ducati.com/doc/manuals/M620_ENG_MY03.pdf
http://www.ducati.com/doc/manuals/999_ENG_MY03.pdf
http://www.ducati.com/doc/manuals/998_748_ENG_MY03.pdf
http://www.ducati.com/doc/manuals/MY...RSPORT_eng.pdf
http://www.ducati.com/doc/manuals/MY...OURING_eng.pdf
http://www.ducati.com/doc/manuals/MY02_MONSTER_eng.pdf
http://www.ducati.com/doc/manuals/MY02_S4_eng.pdf
http://www.ducati.com/doc/manuals/MY02_998S_eng.pdf
http://www.ducati.com/doc/manuals/MY02_998_748_eng.pdf
http://www.ducati.com/doc/manuals/MY02_748R_eng.pdf
http://www.ducati.com/doc/manuals/MY...ayliss_eng.pdf
http://www.ducati.com/doc/manuals/MY...ostrom_eng.pdf
http://www.ducati.com/doc/manuals/MY02_MH900e_eng.pdf
http://www.ducati.com/doc/manuals/MY...RSPORT_eng.pdf
http://www.ducati.com/doc/manuals/MY...OURING_eng.pdf
http://www.ducati.com/doc/manuals/MY01_MONSTER_eng.pdf
http://www.ducati.com/doc/manuals/MY01_S4_eng.pdf
http://www.ducati.com/doc/manuals/MY01_748_996_eng.pdf
http://www.ducati.com/doc/manuals/MY...RSPORT_eng.pdf
http://www.ducati.com/doc/manuals/MY...OURING_eng.pdf
http://www.ducati.com/doc/manuals/MY00_MONSTER_eng.pdf
http://www.ducati.com/doc/manuals/MY...TER400_eng.pdf
http://www.ducati.com/doc/manuals/MY00_996SPS_eng.pdf
http://www.ducati.com/doc/manuals/MY00_748_996_eng.pdf
http://www.ducati.com/doc/manuals/MY00_996S_USA.pdf
Ducati 888
http://www.diff.ru/manual/files/Duca...ice_Manual.zip
http://www.themotorhead.com/download...N-IT-ES-FR.pdf
Monster 900
http://www.diff.ru/manual/files/Duca...ice_Manual.zip
750SS - 900SS (1991-1996)
http://www.themotorhead.com/download...N-IT-ES-FR.pdf
Lots of manuals and technical help for many of the older Ducatis
http://www.ducatimeccanica.com/