Yamaha Marine Outboards F4A/F4 Factory Service Manual, Page 48Get this manual

Yamaha Marine Outboards F4A/F4 Factory Service Manual, Page 48

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SPEC LOWER

ELECTRICAL
Item IGNITION SYSTEM Ignition timing T.C.Isystem output peak voltage (W-B) cranking (300 rmin) open T.C.Iair gap Spark plug gap Spark plug cap resistance (with