2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 105Get this manual

2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 105

ENGINE 4Apply clean engine oil liberally to the cylinder bore and tapered area of the sleeveInstall the cylinder with slight
180o (12 turn) Loosen bolts again another 180o (12 turn) Torque bolts to 11 ftlbs(15 Nm) From this point, tighten bolts evenly
90o (14 turn) 6Push the cylinder downward until fully seated on the base gasket7Apply light film of oil to the threads and
flange surface of the cylinder mounting bolts8Install all four bolts finger tightRotate the engine and position the piston
at BDCNOTE: If cam chain is installed, hold it up while rotating the engine to avoid damage to the chain, drive sprocket
teeth, or tensioner blade9Tighten the cylinder bolts in three steps in criss cross pattern and torque to specifications10Install
the two mm boltsCylinder Bolt Torque: 10mm46 ftlbs(62 Nm) 6mmftlbs(8 Nm) Finally, tighten another 90o (14 turn) Install two
6mm bolts and torque to ftlbs(8 Nm) 99234122012 Sportsman 400500 and EFI Tractor Service Manual Copyright 2011 Polaris Sales