Honda Activa SCV110, Service Manual Digest

Page: 106 / 230

8-4
CYLINDER/PISTON
PISTON RING
X
Y
Insert each piston ring into the bottom of the cylinder
squarely using the piston.
Measure the ring end gap.
SERVICE LIMITS: Top: 0.45 mm (0.018 in)
Second: 0.45 mm (0.018 in)
Measure the piston O.D. 90° to the piston pin hole and at
point 10 mm (0.4 in) from bottom of the piston skirt.
SERVICE LIMIT: 49.91 mm (1.966 in)
Compare this measurement against the maximum
cylinder I.D. measurement and calculate the cylinder-to-
piston clearance (page 8-2).
SERVICE LIMIT: 0.10 mm (0.004 in)
Measure piston pin hole I.D. in an X and Y axis. Take the
maximum reading to determine the I.D.
SERVICE LIMIT: 13.04 mm (0.513 in)
Measure the piston pin O.D. at three points.
SERVICE LIMIT: 12.96 mm (0.510 in)
Calculate the piston-to-piston pin clearance.
SERVICE LIMIT: 0.002 mm (0.0001 in)
Measure the connecting rod small end I.D.
SERVICE LIMIT: 13.05 mm (0.514 in)
Calculate the connecting rod-to-piston pin clearance.
SERVICE LIMIT: 1.05 mm (0.041 in)