1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 210Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 210

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IGNITION SYSTEM DESCRIPTION This section is divided into 0) breaker point ignitIOn, (2) "60", "80" and "90" ignition system and (3) Thunderbolt IgnitionIt covers general ignition system performance, s