2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 116Get this manual
LUBRICATION SYSTEM Check th oil coo ler hose joints and seams fo leaksCheck the il cool er air passage for clogging or damageSt raig hten bent fins usin sm all flat blade screwd ri ver and rem ove nsect s, mud or othe bstructions ith co mp ressed ai Of low pressure waterRem ve the bolts and il pipes fro the il coolerRem ov the ring fro the oi pi pes
Rem ove th four mounting screws and oi coo ler from the radi ato r