i just bought a 03 drz 400 not surwe whether it is the e or the s it need oil but i dont no how much to put in? im waiting for the manual but want to do it tonight also it has a new head but u can hear a tapping like the tappits need adjusting ive heard it has to be shimmed wats involed in doing this and where can i get shimms is there any sites that do next day delivery in the uk