2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 235Get this manual
CYLINDERPISTON CYLINDER INSTALLATION Clea he gaske surface of th cra nkcase ho r- -:-:::,
oughly, being careful not to da mage themand
being caref ul no to all ow gas ket ma te rial int he crankcaseBlow hro ug the oil passage {stud bo lt ho lel in he cy li nder ith com pressed air
CHAIN GUIDE
Install the cam chai gui de int th crankcase so its end rests in th groove proper ly
Inst all he dowel ins and new asket Appl engi ne oil to the cy lind er wa ll, piston outer surface and piston ing s
Be Cilreful no to dilmage the piston rmgs and c"lmder