2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 161Get this manual
FUEL SYSTEM (PGM-FI) DISASSEMBLY
The th rottle body is factory pre-setDo no isas-
semble in way other than shown in this manual Do no snap the thro ttle valve from full open to full cl ose after the ttnoute cable liaS been
rem vedIt may cause incorrect idle operation
Do no da mage the
incorrect throttle valve opera tion Do no loosen or tigh ten the hit painted bolts, nu ts an screws of tile throttle body Always cle an th throttle body before disassembly to preven dirt and debris from entering the passages