YAMAHA OUTBOARD BOAT F115AET F115 AET Repair Manual

F115 LF115 OWNER’S MANUAL 68V-28199-18 U.S.A.Edition LIT-18626-07-13

EMU25060 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 ob- tain 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! WARNING EWM00780 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. CAUTION: ECM00700 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 print- ing, 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 F115TR, LF115TR and the standard ac- cessories are used as a base for the expla- nations and illustrations in this manual. Therefore some items may not apply to ev- ery model. EMU25110 F115, LF115 OWNER’S MANUAL ©2006 by Yamaha Motor Corporation, USA 1st edition, March 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-18626-07-13

Table of contents General information .......................... 1 Identification numbers record .......... 1 Outboard motor serial number .......... 1 Key number ....................................... 1 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 ................................ 13 Remote control lever ....................... 14 Neutral interlock trigger ................... 14 Neutral throttle lever ........................ 14 Free accelerator .............................. 15 Tiller handle .................................... 15 Gear shift lever ................................ 15 Throttle grip ..................................... 16 Throttle indicator ............................. 16 Throttle friction adjuster................... 16 Engine stop lanyard switch ............. 17 Engine stop button .......................... 18 Main switch ..................................... 18 Steering friction adjuster ................. 18 Power trim and tilt switch on remote control or tiller handle ................... 19 Power trim and tilt switch on bottom engine cowling .............................. 19 Power trim and tilt switches (twin binnacle type) ............................... 20 Trim tab with anode......................... 20 Tilt support lever for power trim and tilt or hydro tilt model ..................... 21 Top cowling lock lever (pull up type) ................................. 21 Flushing device ............................... 22 Water separator .............................. 22 Tachometer ..................................... 22 Digital tachometer ........................... 22 Low oil pressure warning indicator ........................................ 23 Low oil pressure warning indicator ........................................ 23 Overheat warning indicator ............. 24 Overheat warning indicator (digital type) .............................................. 24 Speedometer (digital type) .............. 24 Trim meter ....................................... 25 Trim meter (digital type) .................. 25 Hour meter (digital type) .................. 25 Trip meter ........................................ 26 Clock ............................................... 26 Fuel gauge ...................................... 26 Fuel warning indicator ..................... 27 Low battery voltage warning indicator ........................................ 27 Fuel management meter ................. 27 Fuel flow meter ................................ 28 Fuel consumption meter .................. 28 Fuel economy.................................. 28 Twin-engine speed synchronizer .... 29 Command link multifunction meters ........................................... 30 Tachometer unit .............................. 30 Speed & fuel meter unit ................... 33 Speedometer unit ............................ 34 Fuel management meter ................. 35 Warning system ............................ 36 Overheat warning (twin engines) .... 36 Low oil pressure warning ................ 37 Operation ......................................... 38 Installation..................................... 38 Mounting the outboard motor .......... 38 Breaking in engine ........................ 39 Procedure for 4-stroke models ........ 39

Table of contents Preoperation checks ..................... 40 Fuel ................................................. 40 Controls........................................... 40 Engine ............................................. 40 Checking the engine oil level .......... 40 Filling fuel ...................................... 41 Ring Free Fuel Additive .................. 41 Operating engine........................... 41 Feeding fuel .................................... 41 Starting engine ................................ 42 Warming up engine ....................... 45 Manual start and electric start models .......................................... 45 Shifting .......................................... 45 Forward (tiller handle and remote control models) ............................. 45 Reverse (automatic reverse lock and power trim and tilt models) ..... 46 Stopping engine ............................ 47 Procedure ....................................... 47 Trimming outboard motor .............. 48 Adjusting trim angle ........................ 48 Adjusting boat trim .......................... 49 Tilting up and down ....................... 50 Procedure for tilting up (power trim and tilt models / power tilt models) ......................................... 51 Procedure for tilting down (power trim and tilt models / power tilt models) ......................................... 52 Cruising in shallow water .............. 53 Power trim and tilt models / power tilt models...................................... 53 Cruising in other conditions ........... 54 Maintenance..................................... 56 Specifications ................................ 56 Transporting and storing outboard motor ........................................... 57 Storing outboard motor ................... 57 Procedure ....................................... 58 Lubrication ...................................... 59 Cleaning and anticorrosion measures ...................................... 59 Battery care..................................... 59 Flushing power unit ......................... 60 Cleaning the outboard motor ........... 61 Checking painted surface of motor ............................................. 61 Periodic maintenance ................... 61 Replacement parts .......................... 61 Maintenance chart ........................... 62 Maintenance chart (additional) ........ 63 Greasing.......................................... 64 Cleaning and adjusting spark plug ............................................... 64 Checking fuel system ...................... 65 Inspecting idling speed.................... 66 Changing engine oil ........................ 66 Checking wiring and connectors ..... 68 Exhaust leakage.............................. 68 Water leakage ................................. 68 Engine oil leakage ........................... 68 Checking power trim and tilt system........................................... 68 Checking propeller .......................... 69 Removing the propeller ................... 70 Installing the Propeller ..................... 70 Changing gear oil ............................ 71 Inspecting and replacing anode(s) ........................................ 72 Checking battery (for electric start models) ......................................... 73 Connecting the battery .................... 73 Disconnecting the battery................ 74 Checking top cowling ...................... 74 Coating the boat bottom .................. 74 Trouble Recovery............................ 75 Troubleshooting ............................ 75 Temporary action in emergency ... 78 Impact damage ............................... 78 Running single engine..................... 78 Replacing fuse ................................ 79 Power trim and tilt / power tilt will not operate .................................... 79 Water separator warning indicator blinks while cruising ...................... 80 Starter will not operate .................... 81 Emergency starting engine ............. 82 Treatment of submerged motor .... 83 Procedure........................................ 83

YAMAHA OUTBOARD BOAT F115AET F115 AET Repair Manual

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