Honda HRR216PKA Manual page 85

CAM PULLEY/CRANKSHAFT/PISTON/ CYLINDER BLOCK
PISTON RING WIDTH INSPECTION
Top ring 0.93 ~ 0.95 mm
(0.036 ~ 0.037 in)
Second ring 0.97 ~ 0.99 mm
0.038 ~ 0.039 in)
PISTON RING SIDE CLEARANCE INSPECTION
Top ring 0.055 ~ 0.089 mm
(0.002 ~ 0.004 in)
Second ring 0.015 ~ 0.049 mm
(0.0006 ~ 0.0019 in)
PISTON RING END GAP INSPECTION
Use the top of the piston to position the ring horizontally in the
cylinder.
Top ring 0.20 ~ 0.35 mm
(0.008 ~ 0.014 in)
Second ring 0.35 ~ 0.50 mm
(0.014 ~ 0.020 in)
Oil ring 0.20 ~ 0.70 mm
(0.008 ~ 0.030 in)
PISTON PIN O.D. INSPECTION
Standard
13.00 mm (0.512 in)
9-16
Standard Service limit
0.91 mm
(0.035 in)
0.95 mm
(0.037 in)
Standard Service limit
0.150 mm
(0.006 in)
0.150 mm
(0.006 in)
Standard Service limit
1.00 mm
(0.040 in)
1.00 mm
(0.040 in)
1.00 mm
(0.040 in)
Service limit
12.95 mm (0.510 in)
HRR216PKA