2010 Polaris Sportsman 850 Service Manual, Page 150Get this manual
ENGINE Crankshaft Installation
Refer to illustration Crankcase Assembly (Upper) page 5.531Clean the bearing bore surfaces of upper crankcase (main bearings), connecting rods, and connecting rod caps2Align tab of new main bearing with the slot in main bearing bore of crankcasePress bearing insert firmly into placeRepeat for all main bearings, connecting rods, and connecting rod caps11Install new bolts and tighten evenly until snug12Torque bolts using the following procedure:
Install New Match marks
Marked side of rods facing same direction Connecting Rod Bolt Torque Procedure: 1Torque to 24 lb-ft(33 Nm) 2Tighten an additional 60 (see image)