For face:
http://paperdiaries.com/2008/11/rookies-guide-to-drawing-a-male-manga-character/
http://www.ratemydrawings.com/tutorial/mang/1766How_to_draw_Ufis_manga_style_men_D.html
http://paperdiaries.com/2008/08/first-step-to-drawing-your-very-own-manga-character/
For body:
http://polykarbon.com/tutorials/body/male/sketch2.htm