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General| Brand | Yamaha |
|---|---|
| Model | 90C |
| Category | Outboard Motor |
| Language | English |
Details on recording outboard motor and key serial numbers.
Information regarding emission control regulations for marine engines.
Crucial safety guidelines and precautions for operating the outboard motor.
Identifies and explains important warning labels on the motor.
Outlines essential rules for safe boating and navigation.
Guidelines for safely fueling the outboard motor.
Specifications for the required battery for electric start models.
Guidance on choosing the correct propeller for optimal performance.
Explanation of the safety feature that prevents starting in gear.
Identifies and describes the main external components of the motor.
Details on operating controls and other motor functions.
Details about the portable fuel tank and its components.
Operation of the remote control lever for shifting and throttle.
Operation of power trim/tilt switches and throttle friction adjustment.
Explanation of digital tachometer, trim, and hour meters.
Explanation of the overheat warning indicator.
Explanation of oil level and filter clogging warning systems.
Use of tilt support lever and flushing device.
Procedures for installing and mounting the outboard motor.
Steps for filling the fuel tank and engine oil.
Essential checks to perform before operating the motor.
Procedures for operating the motor after extended storage and break-in.
Step-by-step guide to starting and warming up the outboard motor.
How to shift between gears and safely stop the engine.
How to adjust the trim angle and tilt the outboard motor.
How to adjust trim angle using the power trim/tilt switch.
Procedures for tilting the outboard motor up or down.
Advice for cruising in different water conditions.
Detailed specifications for the outboard motor.
Guidelines for safely transporting and storing the motor.
Schedule and procedures for regular maintenance.
Procedures for cleaning and adjusting spark plugs.
Checking the fuel system for leaks and cleaning the fuel filter.
Procedures for checking, removing, and installing the propeller.
Steps for changing the gear oil in the lower unit.
Procedures for checking, caring for, and connecting the battery.
Procedure for cleaning cooling water passages.
Guide to diagnosing and resolving common motor problems.
Procedures for handling emergencies and temporary fixes.
Troubleshooting for starter and engine starting issues.
Troubleshooting for power loss, vibration, and idle problems.
Procedure for treating a submerged outboard motor.
Alphabetical listing of topics covered in the manual.
Steps for warranty registration and obtaining repairs.
Details on coverage, exclusions, and customer responsibilities.
Warranty information for using the motor outside the US or Canada.
Customer support contacts and service information.
Details on the duration of warranty coverage for major components.
Requirements for registration and process for obtaining repairs.
Exclusions from warranty due to abuse/neglect and customer duties.
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