2000 Polaris Virage TX, SLX, Pro 1200, Genesis, Genesis FFI Personal Watercraft Service Manual, Page 258Get this manual
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ELECTRICAL Ignition Timing Adjustment
8Connect timing to light to MAG high tension wireStart engine and verify timing with timing light
Never operate the engine for more than 15 seconds while the watercraft is out of the waterOverheating of engine and drive line components will resultTiming can now be set to exact specification using the Ignition Point Adjustment UnitPress the "POS" or "NEG" button to advance or retard timing until timing is at specificationPressing the "POS" or "NEG" buttons will advance or retard the timing in one degree increments up tp two degrees each way