2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 233Get this manual
CYLINDERPISTON Measure the piston in hole 1.0Take he ma ximum read ing to determine the .0
SERVICE LIMIT: 23.03 mm 10.907 in )
M easur he piston pi .0 at th ree point sSERVICE LIMIT: 22.98 mm (0.905 in)
Calculate th ptsrc -to- ctst pi clea rance SERV ICE LIMIT; 0.04 mm (0.002 n)
CONNECTING ROD
Measure the co nnecting ro small end 10 SERVICE LIMIT: 23.06 mm fO .90S in l