Mercury Mariner Outboard 40/50/55/60 2-stroke Service Manual, Page 162Get this manual

Mercury Mariner Outboard 40/50/55/60 2-stroke Service Manual, Page 162

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FUEL SYSTEM
This engine is certified to operate on regular 87 octane unleaded fuel (R+M)2 Idle Speed (in gear): XXX RPM Timing: Spark Plug: NGK BP8H-N-10 Gap: 0.040 in
Exhaust Emission Con