1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 147Get this manual
EMISSIONS
CERTIFICATION LABEL:
The certification label must be placed on each engine at the time of manufacture and must be replaced in the same location if damaged or removedShown below is typical certification label and is not representative of any one modelLabel shown below is not to scale; (shown at twice the normal size)
Emission Control 262 Information cc
This engine conforms to 1998 Model Year U.SEPA regulations for marine SI enginesRefer to Owners Manual for required maintenance
PART37-855211 4
This engine is certified to operate on regular 87 octane unleaded fuel (R+M)2 Idle Speed (in gear): 725 RPM 850 RPM (10W) Timing: Idle: BTDC WOT: 36 BTDC Spark Plug: NGK BP8HS-15 Intake: NA Gap: .060"
Exhaust Emission Control Systems: None FuelOil Engine Lubricants: 2-Cycle Ratio: 50:1 Outboard Oil NMMABIA Certified TC-W3 Family: WM9XM0016210 FEL: 243.11 GMKW-HR