Honda GP160H Manual page 106

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PISTON RING WIDTH
Measure each piston ring width.
STANDARD:
Top:
Second: 0.940 – 0.960 mm (0.0370 – 0.0378 in)
SERVICE LIMIT:
Top:
Second: 0.92 mm (0.036 in)
If any of the measurements is less than the service
limit, replace the piston rings (top, second, oil) as a set.
PISTON RING END GAP
Before inspection, check whether the cylinder sleeve
I.D. is within the specification (page 13-6).
Measure each piston ring [1] end gap using a feeler
gauge.
STANDARD:
Top:
Second:
Oil
(side rail): 0.20 – 0.70 mm (0.008 – 0.028 in)
SERVICE LIMIT:
Top:
Second:
Oil
(side rail): 1.0 mm (0.04 in)
If any of the measurements is more than the service
limit, replace the piston rings (top, second, oil) as a set.
CONNECTING ROD BIG END SIDE
CLEARANCE
Measure the clearance between the connecting rod big
end and crankshaft using a feeler gauge.
STANDARD: 0.30 – 0.70 mm (0.012 – 0.018 in)
SERVICE LIMIT: 1.1 mm (0.04 in)
If the measurement is more than the service limit,
replace the connecting rod (page 13-5) and recheck the
clearance.
If the clearance is still more than the service limit with a
new connecting rod, replace the crankshaft.
0.950 – 0.970 mm (0.0374 – 0.0382 in)
0.93 mm (0.037 in)
0.200 – 0.350 mm (0.0079 – 0.0138 in)
0.350 – 0.500 mm (0.0138 – 0.0197 in)
1.0 mm (0.04 in)
1.0 mm (0.04 in)
[1]
CRANKCASE
13-9