2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 463Get this manual
FRONT DRIVING MECHANISM DIFFERENTIAL INSPECTION Inst all the inspection tools into bot sides of he diffe rential
INSPECTION TOOLS
TOOL: Differential inspect ion tool
07KMK-HCS0101 or
07KM K-HCS010A (U.S.A nly)
Ho ld the
ttat surface he tool with vise
Attach to rq ue wrench to the ot her too and mea sure he li ited slip or que