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Mercury 90 Service Manual

Mercury 90
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3
D
JAN FEB MAR APR MAY JUNE JULY AUG SEP OCT NOV DEC
Emission Control
Information
1998
This engine conforms to 1998 Model Year
U.S. EPA regulations for marine SI engines.
This engine is certified to operate on regular 87
octane unleaded fuel (R+M)/2
Refer to Owners Manual for required maintenance.
Exhaust Emission Control Systems: None
PART # 37–855211 11
1848
cc
Idle Speed (in gear): 675 RPM
Timing: Idle: 4° ATDC – 2° BTDC WOT:23° BTDC
Gap: 0.040Spark Plug: CHAMPION QL77CC
125 HP
Fuel/Oil
Ratio: 50:1
Oil
Injection
Variable
Engine Lubricants: Quicksilver
Premium Plus TC-W3 2-Cycle
Outboard Oil
Family: WM9XM02.0210
FEL: 145.00 GM/KW-HR
Valve Clearance (Cold) mm
Intake: N/A Exhaust: N/A
FUEL SYSTEM
EMISSIONS

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Mercury 90 Specifications

General IconGeneral
BrandMercury
Model90
CategoryOutboard Motor
LanguageEnglish

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