Yamaha F40B 40Hp Outboard Motor Shop Manual
FILE DETAILS:
LANGUAGE:ENGLISH
PAGES:253
DOWNLOADABLE:YES
FILE TYPE:PDF
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DESCRIPTION:
Yamaha F40B 40Hp Outboard Motor Shop Manual
PREFACE:
- This manual has been prepared by the Yamaha Motor Company, Ltd. primarily for use by Yamaha dealers and their trained mechanics when performing maintenance procedures and repairs to Yamaha equipment. it has been written to suit the needs of persons who have a basic understanding of the mechanical and electrical concepts and procedures inherent in the work. for without such knowledge attempted repairs or service to the equipment could render it unsafe or unfit for use.
- Because the Yamaha Motor Company. Ltd. has a policy of continuously improving its products, models may differ in detail from the descriptions and illustrations given in this publica- tion. Use only the latest edition of this manual. Authorized Yamaha dealers are notified periodically of modifications and significant changes in specifications and procedures, and these are incorporated in successive editions of this manual.
HOW TO USE THIS MANUAL
MANUAL FORMAT
All of the procedures in this manual are organised in a sequential, step-by-step format. The information has been compiled to provide the mechanic with an easy to read, handy refer- ence that contains comprehensive explanations of all disassembly, repair, assembly, and inspection operations. In this revised format, the condition of a faulty component will precede an arrow symbol and the course of action required will follow the symbol, e.g..
- Bearings
- Fitting/scratches —> Replace.
To assist you in finding your way through this manual, the section title and major heading is given at the top of every page.
TABLE OF CONTENTS:
Yamaha F40B 40Hp Outboard Motor Shop Manual
Return to main index............................ 0 F40B Service Manual............................. 1 How to use this Manual.......................... 3 Index........................................... 7 Chapter 1 General Information................... 8 Identification.............................. 9 Safety While Working........................ 10 Special Tools............................... 13 Chapter 2 Specifications........................ 18 General Specifications...................... 19 Maintenance Specifications.................. 21 Tightening Torques.......................... 33 Chapter 3 Periodic Check and Adjustment......... 36 Maintenance Interval Chart.................. 37 Top Cowling................................. 38 FUel System................................. 38 Control System.............................. 39 Power Unit.................................. 45 Cooling System.............................. 50 Power Trim andTilt System................... 51 Lower Unit.................................. 52 General..................................... 54 Chapter 4 Fuel System........................... 60 Hose Routing................................ 61 Fuel Joint, Fuel Fillter and Fuel Pump...... 62 Fuel Pump................................... 63 Carburetor Unit............................. 65 Carburetor.................................. 68 Chapter 5 Power Unit............................ 73 Flywheel Magnet Assembly (MH)............... 75 Flywheel Magnet Assembly (ER, TR).......... 76 Recoil Starter.............................. 79 Power Unit.................................. 86 Stator Assembly............................. 89 Electrical Unit............................. 93 Shift Bracket and Throttle Control Lever.... 98 Cylinder Head............................... 99 Exhaust Cover...............................111 Crankshaft and Piston.......................113 Chapter 6 Lower Unit............................125 Lower Unit..................................127 Water Pump..................................130 Shift Rod Assembly..........................132 Propeller Shaft Housing Assembly............133 Drive Shaft.................................140 Lower Case Assembly.........................145 Shimming....................................148 Shimming (For USA and Canada)...............149 Shimming (Except For USA and Canada)........154 Backlash....................................160 Chapter 7 Bracket Unit..........................165 Tiller Handle Assembly......................167 Bottom Cowling..............................173 Upper Case Assembly.........................174 Steering Arm................................179 Clamp Brackets (MH, ER).....................181 Clamp Brackets (TR).........................185 Power Trim and Tilt Unit....................187 Tilt Cylinder Assembly......................191 Gear Pump Assembly..........................197 Pump Housing................................200 Gear Pump Unit..............................203 Chapter 8 Electrical System.....................205 Electrical Components.......................207 Wire Harness (MH)...........................209 Wire Harness (ER 10-Pin)....................210 Wire Harness (ER 7-Pin).....................211 Wire Harness (TR)...........................212 Electrical Components Analysis..............213 Ignition System (MH)........................215 Ignition System (ER, TR)....................216 Ignition Control System (MH)................221 Ignition Control System (ER, TR)............222 Starter System (ER, TR).....................226 Starter Motor...............................229 Charging System (ER, TR)....................234 Enrichment Control System...................236 Power Trim and Tilt System (TR).............239 Power Trim and Tilt Motor (TR)..............242 Chapter 9 Trouble Analysis......................246 Trouble Analysis Chart......................247 Troubleshooting For Peak Voltage............250 Back Cover......................................253
PLEASE NOTE:
- This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
- Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.
Levi Jamal –