2005 Polaris Sportsman 400/500 Service Manual, Page 95Get this manual
ENGINE 1Remove the shim washer (A) from the counter balancer shaft
CRANKSHAFT REMOVALINSPECTION
2Note the alignment dots on the balancer and crankshaft gears, the marks must be aligned during reassembly
1Remove the shim washer (A) from the crankshaft2Support the PTO side crankcase and crankshaft; press the crankshaft outBe careful not to damage the crankcase mating surface or connecting rod