2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Repair Manual, PN 5005471, Page 115Get this manual

2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Repair Manual, PN 5005471, Page 115

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POWERHEAD ENGINE TEMPERATURE CHECK
Avoid accidental starting of engine while servicing; twist and remove all spark plug leadsStart outboard and run at 3000 RPM for at least five minutesDigital P