Emergency Starting; Maintenance; Outboard Care; Selecting Replacement Parts For Your Outboard - Mercury 140 Manual

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of
OPERATION
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EMERGENCY STARTING–MODELS WITH
CARBURETORS
WARNING
The exposed moving flywheel can cause serious injury. Keep your hands,
hair, clothing, tools, and other objects away from engine when starting
or running the engine. Do not attempt to reinstall the flywheel cover or top
cowl when engine is running.
4
If engine is cold, push in the fuel primer button for 6 seconds to prime the
engine.
5
Place the starter rope knot into the flywheel notch and wind the rope clockwise
around the flywheel.
6
Pull the starter rope to start the engine.
7
After engine has started, do not reinstall the flywheel cover or top cowl.
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MAINTENANCE

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OUTBOARD CARE

To keep your outboard in the best operating condition, it is important that your
outboard receive the periodic inspections and maintenance listed in the Inspection
and Maintenance Schedule. We urge you to keep it maintained properly to ensure
the safety of you and your passengers and retain its dependability.
WARNING
Neglected inspection and maintenance service of your outboard or at-
tempting to perform maintenance or repair on your outboard if you are
not familiar with the correct service and safety procedures could cause
personal injury, death, or product failure.
Record maintenance performed in Maintenance Log at the back of this book. Save
all maintenance work orders and receipts.
SELECTING REPLACEMENT PARTS FOR YOUR
OUTBOARD
We recommend using original Mercury Precision or Quicksilver replacement parts
and Genuine Lubricants.
WARNING
Using a replacement part that is inferior to the original part could result
in personal injury, death, or product failure.
GB
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5-7
gof57g
a
b
c
d
e
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EMISSION CERTIFICATION LABEL
An emission certification label, showing emission levels and engine specifications
directly related to emissions, is placed on the engine at time of manufacture.
a - Idle Speed
b - Engine Horsepower
c - Timing Specification
d - Recommended Spark Plug & Gap
e - Valve Clearance (if Applicable)
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OWNER RESPONSIBILITY
The owner/operator is required to have engine maintenance performed to maintain
emission levels within prescribed certification standards.
The owner/operator is not to modify the engine in any manner that would alter the
horsepower or allow emissions levels to exceed their predetermined factory
specifications.
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INSPECTION AND MAINTENANCE SCHEDULE

Before Each Use
1. Check that lanyard stop switch stops the engine.
2. Visually inspect the fuel system for deterioration or leaks.
3. Check outboard for tightness on transom.
4. Check steering system for binding or loose components.
5. Visually check steering link rod fasteners for proper tightness. (page 20)
6. Check propeller blades for damage.
After Each Use
1. Flush out the outboard cooling system if operating in salt or polluted water.
(page 19)
2. Wash off all salt deposits and flush out the exhaust outlet of the propeller and
gear case with fresh water if operating in salt water.
Every 100 Hours of Use or Once yearly, Whichever occurs first
1. Lubricate all lubrication points. Lubricate more frequently when used in salt
water. (page 22)
2. Inspect and clean spark plugs. (page 21)
3. Replace spark plugs at first 100 hours or first year. After tht, inspect spark plugs
every 100 hours or once yearly. Replace spark plugs as needed. (page 21)
4. Replace Water separating fuel filter – EFI models. (Page 19)
5. Check corrosion control anodes. Check more frequently when used in salt
water. (page 20)
6. Drain and replace gear case lubricant. (page 22)
7. Lubricate splines on the drive shaft and shift shaft.*
8. Check power trim fluid. (page 22)
9. Inspect battery. (page 20)
10. Check control cable adjustments.*
11. Check tightness of bolts, nuts, and other fasteners.
12. Replace water pump impeller (more often if overheating occurs or reduced
water pressure is noted).*
Before Periods of Storage
1. Refer to Storage procedure. (page 23)
* These items should be serviced by an authorized dealer.
18
f
g
h
i
f - Family Number
g - Maximum Emission Output for
the Engine Family
h - Piston Displacement
i - Date of Manufacture
90-10126R40