Suzuki DF25/DF30 Four Stroke Service Manual, Page 174Get this manual
POWER UNIT 7-57 CRANKSHAFT TO CYLINDER Install crankshaft main bearing in cylinder and crankcaseApply engine oil to bearings Assemble each bearing to its original position Do not apply oil between crank bearing holder and crank main bearing NOTE: Align bearing tab with notch in cylinder and crankcase
Thrust bearing Apply engine oil to bearing and install in cylinder block between the No.2 and No.3 cylindersOil groove sides of thrust bearing must face towards crank webs1