2005 SO Johnson 4 Stroke 9.9-15HP Outboards Service Repair Manual P/N 5005990, Page 129Get this manual
Quality of the image is intentionally reduced!
POWERHEAD SPECIFICAlONS
0.055 (0 .0022) 0.100.25 (0.0040.010) 0.50 (0 .020) 0.10.25 (0.0040.010.50 (0.020) Piston ring end gap
Piston ring free end gap
STD Limit