1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 101Get this manual

1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 101

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TIMING, SYNCHRONIZINGADJUSTING
1 Push primerfast idle knob completely in and rotate knob fully counterclockwise2 With engine running in Forward gear, reduce engine speed to idleIMPORTANT: It may