2007-2008 Yamaha YFM700 Grizzly Factory Service Manual, Page 104Get this manual
CHECKING THE SPARK PLUG EBS00057
CHECKING THE SPARK PLUG 1Remove: right side panel Refer to "SEAT AND SIDE PANELS"2Disconnect: spark plug cap 3Remove: spark plug 4Check: spark plug type Incorrect ChangeStandard spark plug CR8ENGK