1971 Johnson 40HP outboards Service Repair Manual P/N JM-7107, Page 28Get this manual
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SECTION IGNITION SVSTEM
Cleoning, Inspection, ond Repoir 4-5
esting Coi s, Conden sers, ond Breoker Poi nts
ReossembIy of Mogneto ReossembIy of Mogneto to Motor Breoker Point