Honda TRX680FA Service Manual page 340

DRIVETRAIN SYSTEM
Coat new O-rings with engine oil and install them
onto the joint pipe.
Install the joint pipes into the oil pump.
Apply liquid sealant (Three Bond 1215 or equiva-
lent) to the mating surface of the crankcase cover.
Blow the oil orifice with compressed air to clean the
passage.
Coat new O-rings with engine oil and install them
into the orifice groove.
Install the oil orifice with the stepped side facing
out.
Install the two dowel pins.
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