2003 ST 4 Stroke 9.9/15HP Johnson outboards Service Repair Manual P/N 5005714, Page 43Get this manual

2003 ST 4 Stroke 9.9/15HP Johnson outboards Service Repair Manual P/N 5005714, Page 43

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PERIODIC MAINTENANCE CYLINDER COMPRESSION

Disconnect the safety lanyard from the emergency stop switch prior to cranking the engineResidual fuel within the cylinder could ignited via spar