1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 145Get this manual

1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 145

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EMISSIONS
Manufacturer's Responsibility:
Beginning with 1998 model year engines, manufacturers of all marine propulsion engines must determine the exhaust emission levels for each engine h