2008 Polaris ATV Sportsman 300 400 H.O. Service Manual, Page 55Get this manual
ENGINE (300) CrankshaftCounter BalancerOil Pump
Crankshaft End Runout Crankshaft Crankshaft End Play Limit Std Limit Std Limit
ES300PFE012
0.0024" (0.06 mm) 0.006-.012" (.15.30 mm) NA 0.004-.029" (0.1.74 mm) NA NA Std 0.0027-.0051" (.070.130 mm) NA 0.0047" (.12 mm) NA 0.006008" (.15.21 mm) NA Above PSI Below PSI
Counter Balancer Counter Balancer Shaft End Play Oil Pump Shaft End Play