2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 172Get this manual
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FUEL SYSTEM (PGM-FI)
Rem ove the IACV from the thr ottle body with ne
4P (Blac k) co nnecto in place, then turn the ig ni tion swi tch ON
REMOVAL
Al ays clean he throttl