2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 232Get this manual
8-20 ENGINE BOTTOM END Crankshaft and onnecting Rods
C AUT ION
To minimize vibration, the connecting rods should have the same weight markBig End Cap [A] Connecting Rod [B] Weight Mark, Alphabet [C] Diameter Mark [D] If the connecting rods, big end bearing inserts, or crankshaft are replaced with new ones, select the bearing insert and check clearance with plastigage before assembling engine to be sure the correct bearing inserts are installed
C AUT ION
The connecting rod bolts are designed to stretch when tightenedNever reuse themSee the table below for correct bolt and nut usageppl rea and AAppylygmolsye denuoil doistuhleidfellgorwansgep[Ar]t.ionsb Do not apply grease and oil [B]Apply olybdenum disulfide il solution [C]