2004 SR Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 39Get this manual

2004 SR Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 39

PERIODIC MAINTENANCE IGNITION TIMING
IGNITION TIMING INSPECT EVERY 200 HOURS (12 MONTHS)NOTE: Before checking ignition timing, make sure idle speed is adjusted within specification1Start the outboard motor2Attach timing light cord to No.1 spark plug high-tension cord

Timing light

3Check ignition timing while operating engine at idle speed
Ignition timing: ApproxBTDC at idle speed

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