Mercury Optimax 115, 135, 150, 175, DFI year 2000 and up service manual., Page 74Get this manual

Mercury Optimax 115, 135, 150, 175, DFI year 2000 and up service manual., Page 74

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IGNITION
Flywheel
Model Year 2000 24 teeth under the flywheel ring gear Model Year 2001 54 teeth under the flywheel ring gear Provide engine rpm and crankshaft position information to the