Piston Ring Width; Piston Ring Side Clearance; Piston Ring End Gap - Honda GC160 Service Manual

• PISTON RING WIDTH

Top ring 0.93 ~ 0.95 mm
(GC160LA) (0.036 ~ 0.037 in)
Top ring 0.95 ~ 0.97 mm
(GC/GS190LA) (0.037 ~ 0.038 in)
Second ring 0.97 ~ 0.99 mm
0.038 ~ 0.039 in)
Do not hone the cylinder when installing new piston rings.

• PISTON RING SIDE CLEARANCE

Top ring 0.055 ~ 0.089 mm
(GC160LA) (0.002 ~ 0.004 in)
Top ring 0.035 ~ 0.069 mm
(GC/GS190LA) (0.001 ~ 0.003 in)
Second ring 0.015 ~ 0.049 mm
(0.0006 ~ 0.0019 in)

• PISTON RING END GAP

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)
gc160_gcaha_3599750_3721672
Standard Service limit
0.91 mm
(0.035 in)
0.93 mm
(0.036 in)
0.95 mm
(0.037 in)
Standard Service limit
0.150 mm
(0.006 in)
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)