1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 193Get this manual
POWER UNIT 6-50 CONROD BEARING Inspect bearing shell for proper contact pattern and signs of fusion, pitting, burning or flakingBearing shells found in defective condition must be replaced Conrod big end oil clearance Check conrod big end oil clearance as follows(1) Clean surface of conrod, conrod cap, conrod bearing, and crank pin(2) Install conrod bearing onto conrod and conrod cap
NOTE: Reassemble each bearing and conrod cap to their original position Do not apply oil to bearing(3) Place piece of Plastigauge on crank pin parallel to crankshaftAvoiding placing Plastigauge over oil hole09900-22301Plastigauge