2010 Polaris Sportsman 850 Service Manual, Page 135Get this manual

2010 Polaris Sportsman 850 Service Manual, Page 135

ENGINE Camshaft Timing Also refer to Camshaft Timing Quick Reference (page 5.39)1Rotate camshaft clockwise until pin (A)
TDC mark is still aligned (be sure the crankshaft has not rotated from TDC) and that sprocket marks are aligned with gasket
surface (note that cam chain tensioner installation may change the alignment slightly)If marks are not aligned, remove sprocket
bolt and correct alignment10Proceed to Cam Chain Tensioner Installation (page 5.38) Pull cam chain upward, making sure it
is engage with the drive sprocket on the crankshaftPlace the sprocket (with marks facing out) on the chain and engage all