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300 XS OptiMax
Mercury 300 XS OptiMax User Manual
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TROUBLESHOOTING
eng
97
Battery Will Not Hold Charge
POSSIBLE CAUSES
•
Battery connections are loose or corroded.
•
Low electrolyte level in battery.
•
Worn out or inefficient battery.
•
Excessive use of electrical accessories.
•
Defective rectifier, alternator, or voltage regulator.
•
Open circuit in the alternator output wire (fused link).
102
104
Table of Contents
Table of Contents
3
Warranty Registration United States and Canada
7
Transfer of Warranty United States and Canada
7
Warranty Information
7
Transfer of Mercury Product Protection (Extended Service Coverage) Plan United States and Canada
8
Year Limited Warranty against Corrosion
8
Mercury Racing Division Two Year Limited Warranty United States and Canada
10
U.S. EPA Emissions Limited Warranty
13
Emission Control System Components
13
California Emissions Limited Warranty
14
California Air Resources Board Explanation of Your California Emission Control Warranty Statement
16
Emission Certification Star Label
17
Warranty Policy-Australia and New Zealand
18
Global Warranty Charts Outboard and Jets
22
Boater's Responsibilities
27
Before Operating Your Outboard
27
Boat Horsepower Capacity
27
General Information
27
High-Speed and High-Performance Boat Operation
28
Outboard Remote Control Models
28
Remote Steering Notice
29
Lanyard Stop Switch
29
Protecting People in the Water
32
Passenger Safety Message - Pontoon Boats and Deck Boats
32
Wave and Wake Jumping
34
Impact with Underwater Hazards
35
Exhaust Emissions
36
Selecting Accessories for Your Outboard
38
Safe Boating Recommendations
38
Recording Serial Number
40
Specifications-300 XS Optimax
41
Special Tools and Kits
43
Component Identification
44
Propeller Selection
44
Trailering Boat/Outboard
46
Transporting
46
Fuel Requirements
47
Fuel and Oil
47
Oil Recommendation
48
Fuel Additives
48
Avoiding Fuel Flow Restrictions
49
Low Permeation Fuel Hose Requirement
49
EPA Pressurized Portable Fuel Tank Requirements
49
Fuel Demand Valve (FDV) Requirement
49
Mercury Marine's Pressurized Portable Fuel Tank
50
Filling Remote Oil Tank
51
Filling Engine Mounted Oil Reservoir Tank
51
Filling Fuel Tank
52
Remote Control Features
53
Features and Controls
53
Zero Effort Control Features
54
Warning System
54
Power Trim and Tilt
56
Power Trim Operation
56
Power Tilt Operation (Single-Ram Systems)
58
Power Tilt Operation (Three-Ram Trim Systems)
58
Auxiliary Tilt Switch
59
Manual Tilt Operation
59
Important Information
61
Engine Break-In
61
Operation
61
Engine Break-In Fuel Mixture
62
Prestarting Check List
62
Operating in Freezing Temperatures
62
Operating in Saltwater or Polluted Water
63
Operating at High Elevations
63
Effects of Elevation and Weather on Performance
63
Setting Trim Angle While Running Engine at Idle Speed
64
Operating in Shallow Water
64
Oil Injection System
65
Starting the Engine
67
Gear Shifting
70
Stopping the Engine
70
Power Package Care
71
Replacement Parts for Your Power Package
71
EPA Emissions Regulations
71
Inspection and Maintenance Schedule
72
Flushing the Cooling System (Powerhead)
74
Flushing the Cooling System (Lower Unit)
75
Top Cowl Removal and Installation
76
Cleaning Care for Top Cowl
76
Fuel System
76
Steering Link Rod Fasteners
80
Fuses
81
Corrosion Control Anode
82
Spark Plug Inspection and Replacement
83
Battery Inspection
85
Charging System Fusible Link
85
Replacing the Propeller
86
Lubrication Points
88
Single-Ram Trim System
89
Three-Ram Trim System
92
Gearcase Lubricant
95
Submerged Power Package
97
Storage Preparation
98
Storage
98
Protecting Internal Engine Components
99
Protecting External Outboard Components
100
Gearcase
100
Positioning Outboard for Storage
100
Battery Storage
100
Starter Motor will Not Crank the Engine
101
Engine will Not Start
101
Engine Runs Erratically
101
Troubleshooting
101
Performance Loss
102
Warning Horn Activates (with Power Loss)
102
Warning Horn Activates (no Power Loss)
102
Battery will Not Hold Charge
103
Local Repair Service
104
Service Away from Home
104
Parts and Accessories Inquiries
104
Service Assistance
104
Owner Service Assistance
104
Ordering Literature
107
Mercury Marine Validated Engine Mounting Hardware
109
Boat Horsepower Capacity
109
Outboard Installation
109
Start in Gear Protection
110
Selecting Accessories for Your Outboard
110
Fuel System
110
Installation Specifications
112
Lifting the Outboard
112
Steering Cable - Starboard Side Routed Cable
113
Steering Link Rod Fasteners
114
Rear-Mounted Steering Rams or Tie Bars
115
Determining Outboard Mounting Height
116
Drilling Outboard Mounting Holes
121
Fastening the Outboard to the Transom
122
Electrical, Hoses, Control Cables, and Front Clamp
127
Oil Injection Set-Up
138
Engine Well Inlet Cover Installation (Models with Remote Trim Pump)
140
Trim in Pin
143
Maintenance Log
145
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Mercury 300 XS OptiMax Specifications
General
Brand
Mercury
Model
300 XS OptiMax
Category
Outboard Motor
Language
English
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