F75 F90 OWNER'S MANUAL U.S.A.Edition LIT-18626-07-12 6D6-28199-13 ZMU01690 Read this owner's manual carefully before operating your outboard motor. Important manual information EMU31280 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! EWM00780 your machine and this manual. If there is any question concerning this manual, please consult your Yamaha dealer. NOTE: The F75TR, F90TR 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. EMU25110 WARNING 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. ECM00700 F75, F90 OWNER'S MANUAL ©2006 by Yamaha Motor Corporation, USA 1st edition, February 2006 All rights reserved. Any reprinting or unauthorized use without the written permission of Yamaha Motor Corporation, USA is expressly prohibited. Printed in Japan P/N LIT-18626-07-12 CAUTION: 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 Table of contents General information .......................... 1 Identification numbers record .......... 1 Outboard motor serial number ........... 1 Key number ........................................ 1 Trim tab with anode .......................... Tilt support lever for power trim and tilt or hydro tilt model ..................... Top cowling lock lever (pull up type) ................................. Flushing device ................................ Water separator................................ Digital tachometer ............................ Low oil pressure warning indicator ... Overheat warning indicator (digital type) .................................. Speedometer (digital type) ............... Trim meter (digital type) ................... Hour meter (digital type) ................... Trip meter ......................................... Clock ................................................ Fuel gauge ....................................... Fuel warning indicator ...................... Low battery voltage warning indicator ........................................ Command link multifunction meters ........................................... Tachometer unit ............................... Speed & fuel meter unit .................... Speedometer unit ............................. Fuel management meter .................. 18 19 19 20 20 20 20 21 21 22 22 23 23 23 24 24 24 24 28 29 30 Emission control information ........... 1 North American models...................... 1 Star labels .......................................... 2 Safety information ........................... 3 Important labels............................... 4 Warning labels.................................... 4 Basic boating rules (Rules of the road) ....................... 5 Steering and sailing rules and sound signals............................................. 5 Rules when encountering vessels...... 5 Other special situations ...................... 6 Fueling instructions ......................... 8 Gasoline ............................................. 9 Engine oil............................................ 9 Battery requirement....................... 10 Battery specifications ....................... 10 Propeller selection......................... 10 Start-in-gear protection ................. 11 Basic components .......................... 12 Main components.......................... 12 Remote control ................................. Remote control lever ........................ Neutral interlock trigger .................... Neutral throttle lever ......................... Tiller handle...................................... Gear shift lever ................................. Throttle grip ...................................... Throttle indicator............................... Throttle friction adjuster.................... Engine stop lanyard switch............... Engine stop button ........................... Main switch....................................... Power trim and tilt switch on remote control or tiller handle.................... Power trim and tilt switch on bottom engine cowling .............................. Variable trolling RPM switches......... 13 14 14 14 14 15 15 15 15 16 16 17 17 17 18 Warning system ............................ 30 Overheat warning ............................. 30 Low oil pressure warning.................. 31 Operation ......................................... 32 Installation..................................... 32 Mounting the outboard motor ........... 32 Breaking in engine ........................ 33 Procedure for 4-stroke models ......... 33 Preoperation checks ..................... 33 Fuel .................................................. Controls ............................................ Engine .............................................. Checking the engine oil level............ 33 34 34 34 Filling fuel...................................... 34 Ring Free Fuel Additive .................... 35 Operating engine .......................... 35 Feeding fuel...................................... 35 Table of contents Starting engine ................................. 36 Warming up engine ....................... 38 Electric start models ......................... 38 Shifting .......................................... 39 Forward (tiller handle and remote control models) ............................. 39 Reverse (automatic reverse lock and power trim and tilt models)..... 40 Trolling .......................................... 40 Adjusting trolling speed .................... 40 Stopping engine ............................ 41 Procedure......................................... 41 Trimming outboard motor .............. 41 Adjusting trim angle.......................... 42 Adjusting boat trim............................ 43 Tilting up and down ....................... 43 Procedure for tilting up (power trim and tilt models / power tilt models) ......................................... 44 Procedure for tilting down (power trim and tilt models / power tilt models) ......................................... 45 Greasing ........................................... Cleaning and adjusting spark plug ... Checking fuel system ....................... Changing engine oil.......................... Checking wiring and connectors ...... Exhaust leakage ............................... Water leakage .................................. Engine oil leakage ............................ Checking power trim and tilt / power tilt system ...................................... Checking propeller ........................... Removing the propeller .................... Installing the Propeller ...................... Changing gear oil ............................. Inspecting and replacing anode(s) ... Checking battery (for electric start models) ......................................... Connecting the battery ..................... Disconnecting the battery ................. Checking top cowling ....................... Coating the boat bottom ................... 56 56 57 58 59 60 60 60 60 60 61 61 62 63 63 64 65 65 65 Cruising in shallow water .............. 46 Power trim and tilt models / power tilt models...................................... 46 Trouble Recovery............................ 66 Troubleshooting ............................ 66 Temporary action in emergency ... 69 Impact damage................................. Replacing fuse.................................. Power trim and tilt / power tilt will not operate.......................................... Water separator warning indicator blinks while cruising ...................... Starter will not operate ..................... Emergency starting engine............... 69 69 70 70 72 73 Cruising in other conditions ........... 47 Maintenance..................................... 48 Specifications ................................ 48 Transporting and storing outboard motor .......................................... 49 Storing outboard motor..................... Procedure......................................... Lubrication........................................ Cleaning and anticorrosion measures ...................................... Battery care ...................................... Flushing power unit .......................... Cleaning the outboard motor............ Checking painted surface of motor... 49 50 51 51 51 52 53 53 Treatment of submerged motor .... 74 Procedure......................................... 74 Periodic maintenance.................... 53 Replacement parts ........................... 53 Maintenance chart............................ 54 Maintenance chart (additional) ......... 55 Table of contents Consumer information.................... 75 Important warranty information for U.S.A. and Canada .................... 75 YAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY ............... 77 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA ............. 79 General information EMU25170 Identification numbers record EMU25183 Outboard motor serial number 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. Key number 1 EMU25221 Emission control information EMU25230 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. EMU31560 ZMU04214 1. Outboard motor serial number location Approval label of emission control certificate This label is attached to the bottom cowling. New Technology; (4-stroke) MFI 1 EMU25190 Key number If a main key switch is equipped with the motor, the key identification number is stamped on your key as shown in the illustration. Record this number in the space provided for reference in case you need a new key. ZMU04217 1. Approval label location 1 General information EMU25262 1. Star labels location EMU25280 Manufactured date label This label is attached to the clamp bracket or the swivel bracket. One Star--Low Emission The one-star label identifies engines that meet the Air Resources Board's 2001 exhaust emission standards. Engines meeting these standards have 75% lower emissions than conventional carbureted two-stroke engines. These engines are equivalent to the U.S. EPA's 2006 standards for marine engines. 1 ZMU04218 1. Manufactured date label location Manufactured: EMU25290 ZMU01702 ZMU04346 EMU25272 Star labels Your outboard motor is labeled with a California Air Resources Board (CARB) star label. See below for a description of your particular label. Two Stars--Very Low Emission The two-star label identifies engines that meet the Air Resources Board's 2004 exhaust emission standards. Engines meeting these standards have 20% lower emissions than One Star-Low-Emission engines. 2 General information the rated horsepower capacity of the boat. If the rated horsepower capacity of the boat is unknown, consult the dealer or boat manufacturer. Do not modify the outboard. Modifications could make the motor unfit or unsafe to use. Incorrect propeller selection and incorrect use may not only cause engine damage, but also adversely affect fuel consumption. Consult your dealer for correct use. Never operate after drinking alcohol or taking drugs. About 50% of all boating fatalities involve intoxication. Have an approved personal flotation device (PFD) on board for every occupant. It is a good idea to wear a PFD whenever boating. At a minimum, children and non-swimmers should always wear PFDs, and everyone should wear PFDs when there are potentially hazardous boating conditions. Gasoline is highly flammable, and its vapors are flammable and explosive. Handle and store gasoline carefully. Make sure there are no gas fumes or leaking fuel b ...