2005 SO Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 157Get this manual
POWERHEAD CYLINDERCRANKCASEPISTON ASSEMBLY Check that the piston pin and the piston pin hole are free from excessive wear and damageApply engine oil on piston pin so that piston pin can move smoothly in the piston pin holeTo check piston pin to piston pin hole clearance, measure the following: Piston pin outside diameter in the thrust and axial directions Piston pin hole diameter in the thrust and axial directionsPiston pin outside diameter: Standard: 0.5510 to 0.5512 in(13.995 to 14.000 mm) Service limit: 0.5504 in(13.980 mm) Piston pin hole diameter: Standard: 0.5513 to 0.5515 in(14.002 to 14.008 mm) Service limit: 0.5524 in (14.030 mm) Piston pin to piston pin hole clearance: Standard: 0.0001 to 0.0005 in (0.002 to 0.013 mm) Service limit: 0.0016 in(0.040 mm)