70 OWNER'S MANUAL U.S.A.Edition LIT-18626-06-95 6H3-28199-1T 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 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 al, please consult your Yamaha dealer. NOTE: The 70TR 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 70 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-18626-06-95 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 your machine and this manual. If there is any question concerning this manu- Table of contents General information .......................... 1 Identification numbers record.......... 1 Outboard motor serial number .......... 1 Key number....................................... 1 Trim tab with anode......................... 16 Trim rod (tilt pin) .............................. 17 Tilt support lever for power trim and tilt or hydro tilt model..................... 17 Top cowling lock lever(s) (turn type)...................................... 17 Tachometer ..................................... 18 Digital tachometer ........................... 18 Oil level indicators (three indicators 2) .................................. 18 Oil level indicator (digital type) ........ 18 Overheat warning indicator (digital type) .............................................. 19 Trim meter ....................................... 19 Trim meter (digital type) .................. 19 Hour meter (digital type).................. 19 Emission control information ........... 1 North American models..................... 1 Safety information ........................... 2 Important labels............................... 3 Warning labels .................................. 3 Basic boating rules (Rules of the road) .............................................. 4 Steering and sailing rules and sound signals.................................. 4 Rules when encountering vessels .... 4 Other special situations..................... 5 Fueling instructions ......................... 7 Gasoline ............................................ 8 Engine oil .......................................... 8 Warning system ............................ 20 Overheat warning ............................ 20 Oil level warning and oil filter clogging warning ........................... 21 Battery requirement......................... 8 Battery specifications ........................ 8 Propeller selection........................... 8 Start-in-gear protection ................... 9 Basic components .......................... 10 Main components.......................... 10 Fuel tank ......................................... 10 Fuel joint ......................................... 11 Fuel gauge ...................................... 11 Fuel tank cap .................................. 11 Air vent screw ................................. 11 Remote control................................ 11 Remote control lever ....................... 11 Neutral interlock trigger ................... 12 Neutral throttle lever........................ 12 Tiller handle .................................... 12 Gear shift lever................................ 12 Throttle grip ..................................... 13 Throttle indicator ............................. 13 Throttle friction adjuster................... 13 Engine stop lanyard switch ............. 14 Engine stop button .......................... 14 Main switch ..................................... 15 Power trim and tilt switch on remote control or tiller handle ....... 15 Power trim and tilt switch on bottom engine cowling .................. 16 Operation ......................................... 23 Installation..................................... 23 Mounting the outboard motor .......... 23 Clamping the outboard motor.......... 24 Breaking in engine ........................ 25 Gasoline and engine oil mixing chart (50:1).................................... 25 Procedure for oil injection models ... 25 Preoperation checks ..................... 26 Fuel ................................................. 26 Oil .................................................... 26 Controls ........................................... 26 Engine ............................................. 26 Operation after a long period of storage .......................................... 26 Filling fuel and engine oil .............. 27 Filling fuel for portable tank ............. 27 Ring Free Fuel Additive................... 27 Filling oil for electric start models .... 28 Oil level indicator operation ............. 29 Operating engine .......................... 29 Feeding fuel (portable tank) ............ 29 Starting engine ................................ 30 Warming up engine....................... 33 Electric start and prime start Table of contents models .......................................... 33 Shifting .......................................... 33 Forward (tiller handle and remote control models) ............................. 33 Reverse (automatic reverse lock and power trim and tilt models)..... 34 Stopping engine ............................ 34 Procedure ....................................... 35 Trimming outboard motor.............. 35 Adjusting trim angle ........................ 36 Adjusting boat trim .......................... 37 Tilting up and down ....................... 38 Procedure for tilting up (power trim and tilt models / power tilt models) ......................................... 38 Procedure for tilting down (power trim and tilt models / power tilt models).......................... 40 Cruising in shallow water .............. 40 Power trim and tilt models / power tilt models...................................... 40 Inspecting idling speed.................... 51 Checking water in engine oil tank ... 51 Checking wiring and connectors ..... 52 Exhaust leakage.............................. 52 Water leakage ................................. 52 Checking power trim and tilt system........................................... 52 Checking propeller .......................... 53 Removing the propeller ................... 54 Installing the Propeller..................... 54 Changing gear oil ............................ 55 Cleaning fuel tank ........................... 56 Inspecting and replacing anode(s)........................................ 56 Checking battery (for electric start models) ......................................... 57 Connecting the battery .................... 58 Disconnecting the battery................ 58 Checking top cowling ...................... 59 Coating the boat bottom .................. 59 Cruising in other conditions........... 41 Maintenance..................................... 42 Specifications ................................ 42 Transporting and storing outboard motor ........................................... 43 Clamp screw mounting models ....... 43 Storing outboard motor ................... 43 Procedure ....................................... 44 Lubrication (oil injection models)..... 45 Cleaning and anticorrosion measures ...................................... 45 Battery care..................................... 45 Cleaning the outboard motor .......... 46 Checking painted surface of motor............................................. 46 Trouble Recovery............................ 60 Troubleshooting ............................ 60 Temporary action in emergency ... 63 Impact damage ............................... 63 Replacing fuse ................................ 63 Power trim and tilt / power tilt will not operate.................................... 64 Starter will not operate .................... 64 Emergency starting engine ............. 65 Engine fails to operate .................. 66 Ignition system malfunction ............. 66 Cold engine fails to start.................. 66 Treatment of submerged motor .... 68 Procedure........................................ 68 Periodic maintenance.................... 46 Replacement parts .......................... 46 Maintenance chart .......................... 47 Greasing ......................................... 48 Cleaning and adjusting spark plug ............................................... 49 Checking fuel system ...................... 49 Inspecting fuel filter ......................... 50 Cleaning fuel filter ........................... 50 Consumer information ................... 69 Important warranty information for U.S.A. and Canada ..................... 69 YAMAHA MOTOR CORPORATION, U.S.A. OUTBOARD MOTOR TWO YEAR LIMITED WARRANTY ..... 71 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA ...................... 74 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 EMU25221 1 Emission control information EMU25230 North American models ZMU02931 1. Outboard motor serial number location This engine conforms to U.S. Environmental Protection Agency (EPA) regulations for marine SI engines. See the label affixed to your engine for details. EMU30390 Approval label of emission control certificate This label is attached to the bottom cowling. Existing Technology; N/A 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. ZMU04898 1. Approval label location 1 General information G 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) : DISPLACEMENT : cm 3 FUEL : GASOLINE ADVERTISED POWER : EX : N/A VALVE LASH (mm) : IN : N/A kW G ZMU05230 EMU25262 Manufactured date label This label is attached to the clamp bracket or the swivel bracket. G G G 1 1. Manufactured date label location ZMU04893 G G EMU25362 G Safety information G Before mounting or operating the outboard motor, read this entire manual. Reading it should give you an understanding of the motor and its operation. Before operating the boat, read any owner's or operator's manuals supplied with it and all labels. Be sure you understand each item before operating. Do not overpower the boat with this outboard motor. Overpowering the boat could result in loss of control. The rated power of the outboard should be equal to or less than 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 nonswimmers should always wear PFDs, and everyone should wear PFDs when there are potent ...