Mercury 5 SERIES Service Manual page 156

CYLINDER BLOCK AND CRANKCASE
Measuring Piston Ring End Gap
Top 0.006 - 0.014 in. (0.15 – 0.35 mm)
Second 0.012 - 0.020 in. (0.30 – 0.50 mm)
Oil 0.008 - 0.016 in. (0.20 – 0.40 mm)
Push piston rings into cylinder approximately 0.8 in. (20 mm) deep. Push in the rings using
the piston.
Measuring Diameter of the Small End of Connecting Rod
Standard Value
0.6303 in. (16.01 mm)
Measuring Side Clearance of the Big End of Connecting Rod
Standard Value
0.008 - 0.016 in. (0.2 – 0.4 mm)
Page 4B–24
Standard Value Out of the Limit
If 0.020 in. (0.5 mm) or more requires
replacement
If 0.028 in. (0.7 mm) or more requires
replacement
If 0.024 in. (0.6 mm) or more requires
replacement
Out of the Limit
If 0.6315 in. (16.04 mm) or more requires
replacement
Out of the Limit
If 0.027 in. (0.7 mm) or more requires replacement
90-857138R1 MAY 2000