2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 159Get this manual
FUEL SYSTEM (PGMFI)
THROTILE BODY
REMOVAL
I NOTICE
Before dis con necti ng fuel feed hose, relieve pres su re fro the ystem (page 6-321Rem ove th fo llowing:
reli eve the fuel ressur and disconnect the uic connect filling (page 6-32),