2004 SR Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 134Get this manual
POWERHEAD CYLINDERCRANKSHAFTPISTON
Crankshaft Main Bearing Oil Clearance
Measure: Crankshaft main bearing oil clearance
Plastigage
Crankshaft main bearing oil clearance Standard: 0.0200.044 mm (0.00080.0017 in) Service limit: 0.060 mm (0.0024 in)
If exceed service limitReplace: Crankshaft andor Bearings
For crankshaft and bearing replacement, see Crankshaft! BearingCrankcase Combination on page 6-32
Measurement step: lA-CAUTION