2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 281Get this manual
POWER UNIT
CRANKSHAFT JOURNAL OIL CLEARANCE Check clearance using Plastigauge according to the following procedureNOTE: Assemble each bearing in its original position before checking clearance(1) Clean surface of bearing holder (crankcase, and cylinder), bearing, and main bearing journal(2) Install main bearing to cylinder and crankcaseNOTE: Align tab of bearing with notch in cylinder and crankcase Do not apply engine oil to bearing Install lower bearing half with oil holegroove towards cylinder sideOil holegroove
(3) Install crankshaft to cylinder(4) Place piece of Plastigauge across full width of bearing (parallel to crankshaft) on journalDo not place Plastigauge over oil hole$ 09900-22301: Plastigauge NOTE: Do not rotate crankshaft while Plastigauge is installedPlastigauge