2007 Yamaha Apex Factory Service Manual, Page 211Get this manual

2007 Yamaha Apex Factory Service Manual, Page 211

CRANKCASE Measurement steps: CAUTION: Do not interchange the big end bearings and connecting rodsTo obtain the correct crankshaft-pin-to-big-end-bearing
notches in the connecting rod and connecting rod capS Put piece of Plastigauge on the crankshaft pinS Assemble the connecting
rod halvesNOTE: Do not move the connecting rod or crankshaft until the clearance measurement has been completedS Apply molybdenum
disulfide grease onto the bolts, threads, and nut seatsS Make sure that the "Y" mark on the connecting rod faces towards