2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 218Get this manual
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CYLINDER HEADIVAlVECAMSHAFT
Remove the camshaft holder from the camsha ft assembly
DOWEl PINS
Do nO lorc, bly reo-eve tbe dowel
1JI1S flClfIJ
Remove he dowe