2008 Yamaha Outboard 25 25hp Boat Motor Owners Manual

25 OWNER’S MANUAL q Read this manual carefully before operating this outboard motor. U.S.A.Edition LIT-18626-08-35 6L2-28199-1V EMU25062 ZMU01690 Read this manual carefully before operating this outboard motor. Keep this manual onboard in a waterproof bag when boating. This manual should stay with the outboard motor if it is sold. Important manual information EMU31283 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. : This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. EWM00781 there is any question concerning this manual, please consult your Yamaha dealer. TIP: The 25EH, 25ER, 25MH and the standard accessories are used as a base for the explanations and illustrations in this manual. Therefore some items may not apply to every model. EMU25111 25 OWNER’S MANUAL 2009 by Yamaha Motor Corporation, USA 1st edition, April 2009 Any reprinting or unauthorized use without the written permission of Yamaha Motor Corporation, USA is expressly prohibited. Printed in Japan P/N LIT-18626-08-35 WARNING A WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury. ECM00701 NOTICE A NOTICE indicates special precautions that must be taken to avoid damage to the outboard motor or other property. TIP: A TIP 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 Table of contents Safety information . 1 Outboard motor safety 1 Propeller 1 Rotating parts 1 Hot parts . 1 Electric shock 1 Engine shut-off cord (lanyard) . 1 Gasoline 1 Gasoline exposure and spills 1 Carbon monoxide 1 Modifications . 2 Mounting battery . 15 Multiple batteries . 15 Without a rectifier or Rectifier Regulator 15 Propeller selection Start-in-gear protection . Engine oil requirements Fuel requirements . Muddy or acidic water . Anti-fouling paint . Motor disposal requirements . Emergency equipment Emission control information . Gasoline 16 Ring Free Fuel Additive . 17 Boating safety . 2 Alcohol and drugs . 2 Personal flotation devices . 2 People in the water . 2 Passengers . 2 Overloading . 2 Avoid collisions . 2 Weather 3 Accident reporting . 3 Boat education and training 3 Passenger training 3 Boating safety publications . 3 Laws and regulations 3 North American models . 18 Components 19 Components diagram 19 Fuel tank . 19 Fuel joint 20 Fuel gauge 20 Fuel tank cap . 20 Air vent screw 20 Remote control box . 20 Remote control lever . 20 Neutral interlock trigger . 21 Neutral throttle lever 21 Choke switch . 21 Tiller handle . 21 Gear shift lever 21 Throttle grip . 22 Throttle indicator . 22 Throttle friction adjuster . 22 Engine shut-off cord (lanyard) and clip . 23 Engine stop button 23 Choke knob for pull type . 23 Manual starter handle . 24 Starter button 24 Main switch . 24 Steering friction adjuster . 24 Trim tab with anode . 25 Trim rod (tilt pin) 25 Shallow water lever . 25 Tilt lock mechanism . 26 Boating organizations 4 Basic boating rules (Rules of the road) 4 Steering and sailing rules and sound signals 4 Rules when encountering vessels 5 Other special situations . 6 General information 9 Identification numbers record 9 Outboard motor serial number 9 Key number . 9 Read manuals and labels 10 Warning labels 10 Specifications and requirements. 13 Specifications 13 Installation requirements . 14 Boat horsepower rating . 14 Mounting motor . 14 Remote control requirements 14 Battery requirements . 14 Specifications of Battery . 14 Table of contents Tilt support bar 26 Cowling lock lever(s) (turn type) 26 tilt models) . 50 Shallow water 50 Cruising in shallow water (manual tilt models) . 50 Installation . 27 Installation . 27 Mounting the outboard motor 27 Clamping the outboard motor . 28 Operation . 30 First-time operation . 30 Breaking in engine 30 Getting to know your boat . 30 Cruising in other conditions . 52 Maintenance 53 Transporting and storing outboard motor . 53 Clamp screw mounting models . 53 Storing outboard motor . 53 Procedure 54 Lubrication . 55 Cleaning and anticorrosion measures 55 Cleaning the outboard motor . 55 Checking painted surface of motor . 55 Checks before starting engine 30 Fuel level . 31 Remove cowling 31 Fuel system . 31 Controls . 31 Engine shut-off cord (lanyard) . 32 Oil 32 Engine . 32 Install cowling 32 Battery . 33 Periodic maintenance . 55 Replacement parts 56 Maintenance interval guidelines 56 Maintenance chart 1 57 Maintenance chart 2 59 Greasing 60 Cleaning and adjusting spark plug . 60 Checking fuel filter . 61 Inspecting idling speed 61 Checking wiring and connectors . 62 Checking propeller 62 Removing propeller . 63 Installing propeller . 63 Changing gear oil 63 Cleaning fuel tank . 65 Inspecting and replacing anode(s) 65 Checking battery (for electric start models) . 66 Connecting the battery 66 Disconnecting the battery 67 Filling fuel and engine oil . 33 Filling fuel for portable tank . 33 Gasoline and oil mixing (100:1) 34 Operating engine . 35 Sending fuel (portable tank) 35 Starting engine 36 Checks after starting engine . 43 Cooling water 43 Warming up engine . 43 Choke start models .