2004 Polaris Freedom, Virage, Genesis and MSX-140 Service Manual., Page 115Get this manual
ENGINECOOLING SYSTEMS Crankshaft Indexing700cc Engines
Polaris Watercraft crankshafts are pressed together or indexed" so the connecting rod journal center lines are 120 apart from each other (180 on twin cylinders)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 Troubleshooting, Chapter 2S Impact to impeller from foreign object or accident; Abrupt piston or other mechanical failure; Following is method of checking: CAUTION: Disconnect battery ground cable and all spark plug high tension leads; ground high tension leads to engineDisconnect lanyard from engine stop switch before proceeding with the following stepsDial Indicator .100 ATDC
Degree Wheel