2004 Yamaha Outboard 25C Motor Owners Manual

25C OWNER’S MANUAL U.S.A.Edition LIT-18626-05-42 E EMU14480 TO THE OWNER Thank you for choosing a Yamaha outboard motor. This Owner’s manual contains information needed for proper operation, maintenance and care. A thorough understanding of these simple instructions will help you obtain maximum enjoyment from your new Yamaha. If you have any question about the operation or maintenance of your outboard motor, please consult a Yamaha dealer.

In this Owner’s Manual particularly important information is distinguished in the following ways. The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! cC A CAUTION indicates special precautions that must be taken to avoid damage to the outboard motor. NOTE: A NOTE provides key information to make procedures easier or clearer. * Yamaha continually seeks advancements in product design and quality. Therefore, while this manual contains the most current product information available at the time of printing, there may be minor discrepancies between your machine and this manual. If there is any question concerning this manual, please consult your Yamaha dealer. NOTE: The 25MH and its standard accessories are used as a base for the explanations and illustrations in this manual. Therefore, some items may not apply to every model. Q w Failure to follow WARNING instructions could result in severe injury or death to the machine operator, a bystander, or a person inspecting or repairing the outboard motor. EMU01446 25C OWNER’S MANUAL 2003 by Yamaha Motor Corporation, USA 1st Edition, March 2003 Any reprinting or unauthorized use without the written permission of Yamaha Motor Corporation, USA is expressly prohibited. Printed in Japan P/N LIT-18626-05-42 EMA20010 CONTENTS E GENERAL INFORMATION 1 2 3 4 5 6 BASIC COMPONENTS OPERATION MAINTENANCE TROUBLE RECOVERY INDEX READ THIS OWNER’S MANUAL CAREFULLY BEFORE OPERATING YOUR OUTBOARD MOTOR. E EMB00010 Chapter 1 GENERAL INFORMATION IDENTIFICATION NUMBERS RECORD 1-1 Outboard motor serial number .1-1 EMISSION CONTROL INFORMATION .1-2 SAFETY INFORMATION 1-3 IMPORTANT LABELS 1-5 BASIC BOATING RULES .1-6 FUELING INSTRUCTIONS .1-10 Gasoline 1-11 Engine oil 1-11 PROPELLER SELECTION .1-12 START-IN-GEAR PROTECTION E EMU00005 IDENTIFICATION NUMBERS RECORD EMU00007 OUTBOARD MOTOR SERIAL NUMBER YAMAHA MOTOR CO., LTD. MADE IN JAPAN PAYS D’ORIGINE JAPON 1 401012 The outboard motor serial number is stamped on the label attached to the port side of the clamp-bracket. Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from your Yamaha dealer or for reference in case your outboard motor is stolen. 1 Outboard motor serial number 1-1 E 25 EMU01385 1 EMU01386 EMISSION CONTROL INFORMATION 2 108021 NORTH AMERICAN MODELS This engine conforms to U.S. Environmental Protection Agency (EPA) regulations for marine SI engines. See the label affixed to your engine for details. Approval label of Emission control certificate This label is attached to the bottom cowling. 1 Emission control information label 25-3/30 1 2 108022 EMISSION CONTROL INFORMATION ENGINE FAMILY : THIS ENGINE CONFORMS TO 2001 U.S. EPA REGULATIONS FOR MARINE SI ENGINES. REFER TO THE OWNERS MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS. g/kw-hr FELs : IDLE SPEED : rpm IN NEUTRAL SPARK PLUG : SPARK PLUG GAP (mm).