Yamaha SX225A User Manual

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LIT-18626-04-64

SX225A

LX225A

SX250A

LX250A

OWNER’S MANUAL

U.S.A.Edition

Table of Contents

Questions and Answers:

G
Gloria MayerJul 31, 2025
What to do if my Yamaha SX225A Outboard Motor starter will not operate?
- S
  Samantha OliverJul 31, 2025
  If the starter on your Yamaha Outboard Motor won't operate, there are several potential causes: * The battery capacity may be weak or low. Check the battery condition and use a battery of the recommended capacity. * Battery connections might be loose or corroded. Tighten the battery cables and clean the battery terminals. * The fuse for the electric start circuit could be blown. Check for the cause of the electric overload, repair it, and replace the fuse with one of the correct amperage. * The engine stop switch lanyard may not be attached. Attach the lanyard. * The shift lever might be in gear. Shift to neutral.
D
Danielle MitchellAug 6, 2025
What to do if the warning buzzer sounds or indicator lamp lights on my Yamaha Outboard Motor?
- K
  Kimberly HarrisonAug 7, 2025
  If the warning buzzer sounds or the indicator lamp lights on your Yamaha Outboard Motor, it could be due to: * A clogged cooling system. Check the water intake for restrictions. * Low engine oil level. Fill the oil tank with the specified engine oil. * Incorrect heat range of spark plug. Inspect the spark plug and replace it with the recommended type. * Unspecified engine oil being used. Check and replace the oil with the specified type. * Engine oil that is contaminated or deteriorated. Replace the oil with fresh, specified type. * Load on the boat improperly distributed. Distribute the load to place the boat on an even plane.

Yamaha SX225A Specifications

General

Brand	Yamaha
Model	SX225A
Category	Outboard Motor
Language	English

Summary

Chapter 1 GENERAL INFORMATION

SAFETY INFORMATION

Crucial warnings and precautions for operating the outboard motor safely.

FUELING INSTRUCTIONS

Chapter 2 BASIC COMPONENTS

OPERATIONS OF CONTROLS AND OTHER FUNCTIONS

Explanation of how to operate various controls like remote control and switches.

WARNING SYSTEM

Details on engine warning indicators, including overheat and oil level.

Chapter 3 OPERATION

INSTALLATION

Procedures and considerations for mounting the outboard motor.

FILLING FUEL AND ENGINE OIL

Instructions for refueling, adding oil, and using fuel additives.

PRE-OPERATION CHECKS

Essential checks to perform before operating the outboard motor.

BREAKING IN (RUNNING IN) ENGINE

Procedure for breaking in a new engine to ensure longevity.

STARTING ENGINE

Step-by-step guide on how to start the outboard motor.

WARMING UP ENGINE

SHIFTING

Instructions on how to shift between Forward, Neutral, and Reverse.

STOPPING ENGINE

TRIMMING OUTBOARD MOTOR

TILTING UP/DOWN

Chapter 4 MAINTENANCE

TRANSPORTING AND STORING OUTBOARD MOTOR

MAINTENANCE CHART

Schedule of recommended maintenance operations and intervals.

CLEANING AND ADJUSTING SPARK PLUG

CHECKING FUEL SYSTEM

CLEANING FUEL FILTER

ADJUSTING IDLING SPEED

CHECKING POWER TRIM AND TILT SYSTEM

CHECKING PROPELLER

CHANGING GEAR OIL

CHECKING BATTERY

CLEANING COOLING-WATER PASSAGES

Chapter 5 TROUBLE RECOVERY

TROUBLESHOOTING

Guide to diagnosing and resolving common engine starting and running issues.

TEMPORARY ACTION IN EMERGENCY

Immediate procedures for handling emergencies like impact or engine failure.

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