Piston Ring Installation; Piston/Connecting Rod Installation - Honda NC700XA Service Manual

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CRANKSHAFT/PISTON/CYLINDER

PISTON RING INSTALLATION

Clean the piston ring grooves thoroughly and install the
piston rings.
• Apply engine oil to the piston ring sliding surface.
• Avoid piston and piston ring damage during
installation.
• Install the piston rings with the marked side facing
up.
– "R" mark: top ring [1]
– "2R" mark: second ring [2]
• To install the oil ring [3], install the spacer [4] first,
then install the side rails [5].
Stagger the piston ring end gaps 120° apart from each
other.
Stagger the side rail end gaps as shown.
After installation, the rings should rotate freely in the
ring groove.
PISTON/CONNECTING ROD
INSTALLATION
Apply engine oil to the piston and cylinder sliding
surface.
Install the piston/connecting rod assemblies [1] into the
Install the piston/
cylinders using a commercially available piston ring
connecting rod
compressor tool [2].
assembly with the
When reusing the connecting rods, they must be
"IN" mark [3] facing
installed in their original locations.
the intake side.
• While installing the piston, be careful not to damage
the top surface of the cylinder, especially around the
cylinder bore.
• Be careful not to damage the cylinder sleeve with
the connecting rod.
Use the handle of a plastic hammer or equivalent tool to
Make sure the
tap the piston into the cylinder.
piston ring
compressor tool sits
Install the following:
flush on the top
– Countershaft
surface of the
– NC700X/XA/S/SA (page 14-15)
cylinder.
– NC700XD/SD (page 14-24)
– Crankshaft (page 15-6)
15-20
120°
[2]
[4]
20 mm (0.8 in)
OR MORE
[3]
[1]
[1]
[2]
[3]
[5]
[1]
[2]