2009 Polaris Sportsman 850 XP EFI EPS Service Manual, Page 139Get this manual
ENGINE Connecting Rod Inspection 12Secure connecting rod lightly in soft jawed viseNote location of the piston circlip gap
boltsTighten bolts snug, then torque to 24 lb-ft (33 Nm) Remove piston circlipPush piston pin out of pistonIf necessary,
heat crown of piston slightly with propane torch or heat gun 10Using dial bore gauge, measure big end I.Din two directions
shownRecord measurementsDifference between measurements is concentricityCompare to specifications11Select appropriate bearing
insert (color) from table (page 5.48)Install New Remove bearings 1Tighten snug 2Torque 24 lb-ft(33 Nm) Piston Pin O.D: 0.7873"
.0001" (19.9975 .0025 mm) 6Inspect small end and big end of connecting rod (and matching rod cap) for damage, galling of