2011 Yamaha FZ8 change spark plugs

SOURCE: how do i change spark plug on yamaha xt600 '93?

here is an exploded view of your cylinder head where the spark is located.

http://images.cmsnl.com/img/partslists/cylinder-head-xt600s-dual-purpose-1986_bigyau1048a-5_1198.gif

http://www.horizonsunlimited.com/hubb/yamaha-tech/mistery-peep-hole-i-cant-43279

SOURCE: How to change spark plugs on 2005 yahama FJR1300

There you have fella, whith all the tools you need plus the Pictures. :)
How to change FJR Spark plugs