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2.5 TwoStroke
Mercury 2.5 TwoStroke User Manual
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Installing Outboard
BOAT TRANSOM HEIGHT REQUIREMENT
Measure the transom height of your boat. The anti‑ventilation plate should be
25–50 mm (1–2 in.) below the bottom of the boat.
a -
Anti‑ventilation plate
INSTALLING OUTBOARD ON TRANSOM
1.
Place outboard on centerline of transom.
27005
2.
Tighten transom clamp handles.
28377
a
28376
INSTALLATION
eng
13
22
24
Table of Contents
Table of Contents
7
Boater's Responsibilities
11
Before Operating Your Outboard
11
Boat Horsepower Capacity
11
General Information
11
Lanyard Stop Switch
12
Protecting People in the Water
15
Exhaust Emissions
15
Selecting Accessories for Your Outboard
17
Safe Boating Recommendations
17
Recording Serial Number
20
Model Year Production Code
21
Specifications
21
Installing Outboard
23
Installation
23
Carrying Outboard
24
Transporting Outboard When Removed from Boat
24
Transporting
24
Trailering Boat
25
Fuel Requirements
26
Fuel and Oil
26
Oil Recommendation
27
Mixing Fuel and Oil
27
Filling Fuel Tank
28
Features and Controls
29
Tilting Outboard
30
Setting the Operating Angle of Your Outboard
31
Prestarting Check List
33
Operating in Freezing Temperatures
33
Operating in Saltwater or Polluted Water
33
Operation
33
Engine Break-In Procedure
34
Starting the Engine
34
Gear Shifting - Models with Gear Shift
37
Stopping the Engine
38
Emergency Starting
38
Outboard Care
40
Inspection and Maintenance Schedule
40
Maintenance
40
Top Cowl Removal and Installation
41
Exterior Care
42
Flushing the Cooling System
42
Propeller Replacement
42
Corrosion Control Anode
44
Spark Plug Inspection and Replacement
45
Engine Idle Speed Adjustment
46
Lubrication Points
47
Gearcase Lubrication
49
Submerged Outboard
51
Storage Preparation
52
Protecting External Outboard Components
52
Protecting Internal Engine Components
52
Storage
52
Gearcase
53
Positioning Outboard for Storage
53
Engine will Not Start
54
Engine Runs Erratically
54
Performance Loss
54
Troubleshooting
54
Service Assistance
55
Ordering Literature
57
Maintenance Log
59
5
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Mercury 2.5 TwoStroke Specifications
General
Brand
Mercury
Model
2.5 TwoStroke
Category
Outboard Motor
Language
English
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