2010-2012 PRO-RIDE RUSH Switchback RMK Service Manual, Page 97Get this manual
EngineCoolingExhaust Crankshaft Truing
Lubricate the bearings and clamp the crankshaft securely in the holding fixtureIf truing the crankshaft requires striking with hammer, always be sure to re-check previously straightened areas to verify truingRefer to the illustrations belowUse Crankshaft alignment kit PN 2870569NOTE: The rod pin position in relation to the dial indicator tells you what action is required to straighten the shaft
Truing Examples
To correct situation like thisStrike the shaft at point with brass hammer