First of all this is not a 15 min. job but take your time and u can finish it in 1 night. Start by removing the tank, it has a quick connect fuel line and wont leak gas when you disconnect. Also buy a box of bandaids!!! Youll need them!!!
*This link will take you to changing the plugs*
http://www.r1-forum.com/forums/showthread.php?s=&threadid=110766
*This link will take you to changing the plugs*
http://www.r1-forum.com/forums/showthread.php?s=&threadid=110766