Honda CB HORNET 160R 2015, Shop Manual

Page: 132 / 336

8-4
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
ring that will be discarded.
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: 57.20 mm (2.252 in)
Calculate the cylinder-to-piston clearance.
Take the maximum reading to determine the clearance
(Cylinder I.D.:page 8-2).
SERVICE LIMIT: 0.09 mm (0.004 in)
Measure the each piston pin hole I.D. in an X and Y axis.
Take the maximum reading to determine I.D.
SERVICE LIMIT: 14.04 mm (0.553 in)
Never use a
wire brush, it
will scratch the
grooves.
PISTON RING
PISTON RING
PISTON PIN GROOVE
MICRO METER
10 mm (0.4 in)
PISTON