2001 Polaris SLX, PRO 1200, Virage TX, Genesis, Virage TXi, Genesis i Personal Watercraft Service Manual, Page 111Get this manual
EngineCooling Engine InspectionAll 1200 ModelsContinued
Crankshaft Indexing SLX PRO 1200 Virage TX Genesis
Polaris Watercraft crankshafts are pressed together or "indexed" so the connecting rod journal center lines are 120 apart from each other
It is sometimes necessary to check multi-cylinder crankshafts to verify that one cylinder has not been forced out of position relative to the other cylinder or cylindersCauses for out-of-index crankshafts include but are not not limited to: Hydrolock from water or fuel; See TroubleshootingChapter Impact to impeller from foreign object or accident; Abrupt piston or other mechanical failure; Following is method of checking:
Dial Indicator