2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 109Get this manual
ENGINE Cam Chain Tensioner Installation
1Release the ratchet pawl (A) and push the tensioner plunger (B) all the way into the tensioner body4Install the stator plate being careful not to damage the sealAlign timing reference marks on the plate and crankcaseBe sure the plate is fully seated2Install the tensioner body with new gasket and tighten the boltsTensioner Bolt Torque: ftlbs(8 Nm) 3Install the spring, new sealing washer, and tensioner plugTensioner Plug Torque: 6.5 ftlbs(9 Nm) 4Slowly rotate engine two to three revolutions and recheck cam timingNOTE: This is static timing markStrobe timing should be performed after start up5Torque bolts evenly to specificationStator Plate Bolt Torque:6.5 ftlbs(7Nm) 6Seal stator wire grommet with Crankcase Sealant (PN 2871557) or equivalent sealerFlywheel 1Install flywheel, washer, and nutTorque flywheel to specificationFlywheel Nut Torque: 5872 ftlbs(7898 Nm) Starter Drive 1Be sure the washer is positioned on the back of the drive gear