2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 103Get this manual
MAINTENANCE Using 17 mm wrench, hold the tie-rod ends so that the relative angle of both tie-rods may turn into 16
degrees 30 minutesThen, using suitable torque
wrench, tighten the tie-rod lock nuts, making sure
not to force the tie-rod ends against the ball joint
TIE-ROD END