2000 Polaris Virage TX, SLX, Pro 1200, Genesis, Genesis FFI Personal Watercraft Service Manual, Page 161Get this manual
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ENGINE Crankshaft Indexing
Crankshaft IndexingSLX Pro 1200 Virage TX Genesis
Polaris Watercraft crankshafts are pressed together or "indexed" so the connecting rod journal center lines are 1200 apart from each otherIt 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 Impact to impeller from foreign object or accident; Abrupt piston or other mechanical failure; Following is method of checking: Dial Indicator