fuel pump dis. assy.
http://www.youtube.com/watch?v=Z0LRwwmkkUM&feature=relmfu

carb disassy.
http://www.youtube.com/watch?v=AOJlHIUUBk0&feature=relmfu

carb assy.
http://www.youtube.com/watch?v=wfVQUBO7LjQ&feature=relmfu

how the mikuni carb works
http://www.youtube.com/watch?v=a5p6YScsTNQ&feature=relmfu