From inside (document excerpt):
F150D LF150D OWNER’S MANUAL U.S.A.Edition LIT-18626-06-08 63P-28199-12 ZMU01690 Read this owner’s manual carefully before operating your outboard motor. Important manual information EMU25100 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 F150TR, LF150TR 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 F150D, LF150D OWNER’S MANUAL 2004 by Yamaha Motor Corporation, USA 1st edition, March 2004 Any reprinting or unauthorized use without the written permission of Yamaha Motor Corporation, USA is expressly prohibited. Printed in Japan P/N LIT-18626-06-08 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 Tilt support lever for power trim and tilt or hydro tilt model 17 Top cowling lock lever (pull up type) . 17 Flushing device 17 Digital tachometer 17 Low oil pressure warning indicator 18 Overheat warning indicator (digital type) 18 Speedometer (digital type) . 18 Trim meter (digital type) . 19 Hour meter (digital type) . 19 Trip meter . 20 Clock 20 Fuel gauge . 20 Fuel warning indicator 21 Low battery voltage warning indicator 21 Fuel management meter 21 Fuel flow meter . 22 Fuel consumption meter . 22 Fuel economy . 22 Twin-engine speed synchronizer 23 Water separator warning indicator 24 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) . 4 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 . 9 Battery specifications . 10 Propeller selection . 10 Start-in-gear protection . 10 Basic components 11 Main components 11 Remote control . Remote control lever Neutral interlock trigger Neutral throttle lever . Free accelerator . Throttle friction adjuster Engine stop lanyard switch . Main switch . Power trim and tilt switch on remote control or tiller handle. Power trim and tilt switch on bottom engine cowling Power trim and tilt switches (twin binnacle type) . Trim tab with anode Warning system 24 Overheat warning (twin engines) 24 Low oil pressure warning 25 Operation . 26 Installation . 26 Mounting the outboard motor . 26 Breaking in engine 27 Procedure for 4-stroke models . 27 Preoperation checks . 28 Fuel 28 Controls 28 Engine 28 Checking the engine oil level 28 Filling fuel 28 Ring Free Fuel Additive 29 Table of contents Operating engine . 29 Feeding fuel 29 Starting engine . 29 Greasing . 48 Cleaning and adjusting spark plug . 48 Checking fuel system . 49 Inspecting fuel filter 50 Cleaning fuel filter . 50 Inspecting idling speed . 51 Changing engine oil 52 Checking wiring and connectors 53 Exhaust leakage . 53 Water leakage 53 Engine oil leakage 53 Checking power trim and tilt system . 54 Checking propeller . 54 Removing the propeller 55 Installing the propeller 56 Changing gear oil . 56 Inspecting and replacing anode(s) 57 Checking battery (for electric start models) 58 Connecting the battery . 59 Disconnecting the battery . 60 Checking top cowling . 60 Coating the boat bottom . 60 Warming up engine . 31 Manual start and electric start models 31 Shifting 32 Forward (tiller handle and remote control models) . 32 Reverse (automatic reverse lock and power trim and tilt models) 32 Stopping engine 33 Procedure . 33 Trimming outboard motor 33 Adjusting trim angle 34 Adjusting boat trim 35 Tilting up and down . 35 Procedure for tilting up . 36 Procedure for tilting down . 37 Cruising in shallow water 38 Power trim and tilt models / power tilt models . 38 Cruising in other conditions . 39 Maintenance . 40 Specifications 40 Transporting and storing outboard motor . 41 Storing outboard motor . Procedure . Lubrication (except oil injection models) Cleaning and anticorrosion measures Battery care Flushing power unit Cleaning the outboard motor Checking painted surface of motor.