Piston Inspection - Honda CB HORNET 160R 2015 Shop Manual

CYLINDER/PISTON
Spread each piston ring and remove it by lifting it up at a
point just opposite and gap.
• Do not damage the piston ring by spreading the ends
too far.
• Be careful not to damage the piston when the piston
ring removal.
Clean carbon deposits from the piston ring grooves with a
Never use a
wire brush, it ring that will be discarded.
will scratch the
grooves.

PISTON INSPECTION

Inspect the piston for cracks or other damage.
Inspect the ring grooves for excessive wear and carbon
buildup.
Measure the piston O.D. at a point 10 mm (0.4 in) from the
bottom and 90° to the piston pin hole.
SERVICE LIMIT:
Calculate the cylinder-to-piston clearance.
Take the maximum reading to determine the clearance
(Cylinder I.D.:page 8-2).
SERVICE LIMIT:
Measure the each piston pin hole I.D. in an X and Y axis.
Take the maximum reading to determine I.D.
SERVICE LIMIT:
8-4
57.20 mm (2.252 in)
0.09 mm (0.004 in)
14.04 mm (0.553 in)
PISTON
PISTON RING
MICRO METER
10 mm (0.4 in)
PISTON PIN GROOVE
PISTON RING