2004 SR Johnson 2 Stroke 9.9, 15, 25, 30 HP Outboards Service Repair Manual P/N 5005638, Page 162Get this manual
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FUEL SYSTEM CARBURETOR MIXTURE ADJUSTMENT
Reduce engine speed and turn the idle speed adjustment to allow the engine to run at minimum of 650 in FORWARORun the engine in gear full throttle for m