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Yamaha EF1000 Service Manual

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    							•llllull 
    FLYWHEEL ENG 8 
    --------------------------------------------------
    FLYWHEEL REMOVAL 
    1. Remove: 
    • Flywheel CD 
    Use  a magneto [email protected] 
    Magneto puller: 
    YU-01351  (90890-01351) 
    3-24  
    						
    							GENERATOR ENG 
    GENERATOR 
    4 
    3 
    10 Nm (1.0 m•kg, 7.2 ft•lb) 
    l21 Nm (2.1 m•kg, 15.2 ft•lb) l 
    JOB INSTRUCTION CHART 
    Order Job name/Parts name Qty Remarks 
    Removal of Generator Remove the parts in order. 
    Engine Refer to ~~ENGINE" section. 
    1 Bolt 3 
    2 Rear frame 1 
    3 Bolt 1 
    4 
    Rotor assembly 1 
    5 Grommet 1 
    6 Stator assembly 1 
    3-25  
    						
    							3-26 
    GENERATOR ENG 
    ROTOR REMOVAL 
    1. Remove: 
    •Rotor assembly 
    Rotor shock puller: 
    90890-01259 
    Rotor puller attachment: 
    90890-01349 
    STATOR  INSTALLATION 
    1. Install: 
    •Stator assembly 
    CAUTION: 
    Align the key 
    						
    							GOVERNOR 
    Spring installation 
    ------------~~/ l 6 Nm (0.6 m•kg,4.3 ft•lb) I 
    1 
    m 
    / 
    3-27 
    •II II nil 
    GOVERNOR ENG 8 
    Spring installation  
    						
    							JOB INSTRUCTION CHART 
    Order Job name/Parts  name 
    Removal of Governor 
    Generator 
    Crankshaft 
    1 Link  rod 
    2 Spring 
    3 Nut 
    4 Governor arm 
    5 Clip 
    6 Governor fork 
    7  Washer 
    8 Governor assmbly 
    9 Washer 
    GOVERNOR ENG 
    Oty Remarks 
    1 
    1 
    1 
    1 
    1 
    1 
    1  1 
    1 
    3-28 
    Remove the parts  in order. 
    Refer 
    to the GENERATOR section. 
    Refer 
    to the CRANKSHAFT section. 
    Reverse 
    the removal procedure for 
    installation. 
    1. Adjust: 
    •Governor 
    Refer to the GOVERNOR 
    ADJUSTMENT section in CHAPTER 2. 
    • Engine  speed (with No Load) 
    Refer 
    to the ENGINE  SPEED 
    ADJUSTMENT section in CHAPTER 2.  
    						
    							.11111111 
    CARBURETOR ENG 8 
    CARBURETOR 
    -------
    EF1000 
    Type BV15 
    I.D. Mark 7FLOO 
    Float height 17 mm (0.67 in) 
    1!1110 9 4 
    B---3 
    3-29  
    						
    							CARBURETOR ENG 
    JOB INSTRUCTION CHART 
    Order Job name/Parts name Qty Remarks 
    Removal of Carburetor Remove the parts in order. 
    Body panel/Fuel tank Refer to the BODY PANEL/FUEL TANK 
    section  in the CHAPTER 2. 
    1 Link rod 1 
    2 Starter (choke) wire 1 
    3 Fuel hose 1 FMl-!;@l~tCJ Always clean up spilled fuel 
    immediatey. 
    4 Screw 2 
    5 Air filter case 1 
    6 Gasket 1 
    7 
    Carburetor assembly 1 
    8 Carburetor cover 1 
    9 Joint 1 
    10 Gasket 1 
    Reverse the removal procedure 
    for installation. 
    Disassembly of Carburetor 
    CD Bolt 1 
    @ Gasket 1 
    @ Float chamber 1 
    @ Gasket 1 
    ® Float pin 1 
    @ Float 1 
    (j) Clip 1 
    @ Needle 1 
    Reverse the disassembly procedure 
    for assembly. 
    3-30  
    						
    							Grooved wear 
    3-31 
    •llllull 
    CARBURETOR ENG B 
    FLOAT HEIGHT  INSPECTION 
    1. Measure: 
    •Float height 
    NOTE: --------------------------
    Place the carburetor in an inverted position 
    for measurement. 
    Lift up the float so that the tip of the float 
    valve lightly contacts the float arm, and  mea­
    sure the float height. (This measurement 
    should be made with the gasket removed.) 
    I~ 
    Float height: 
    17 
    mm (0.67 in) 
    FUEL PASSAGE  INSPECTION 
    1. Inspect: 
    •Carburetor body 
    •Fuel passage 
    Contamination---+Ciean as indicated. 
    Carburetor cleaning steps: 
    • Wash carburetor in petroleum based sol-
    vent.  (Do not use any caustic carburetor 
    cleaning solution.) 
    • Blow out all passages  and jets with com­
    pressed air. 
    CAUTION:· --------
    Never use a wire. 
    VALVE SEAT  INSPECTION 
    1. Inspect: 
    •Valve seat 
    Damage/Wear---+Replace. 
    Contamination---+Ciean.  
    						
    							ELECTRICAL COMPONENTS I ELEC I I::=::J I 
    ELECTRICAL 
    ELECTRICAL COMPONENTS 
    CD Oil pilot light 
    @ Engine stop switch 
    @ Circuit protecter(s) 
    @ Stator assembly 
    @ Rotor assembly 
    @ Spark plug 
    (j) C.D.I. unit 
    4-1  
    						
    							CIRCUIT DIAGRAM  (120V 60Hz) 
    CD Oil light @ C.D.I. magneto 
    ® Engine stop switch @ C.D.I. unit 
    ® Voltage meter @ Oil level gauge 
    @ AC protector @ Condenser 
    @ AC  receptacle 
    @ DC protecter 
    (j) DC receptacle 
    @ Pilot lamp 
    ® Stator assembly 
    @ Rotor assembly 
    @ Spark plug 
    CIRCUIT DIAGRAM I ELEC I u I 
    COLOR  CODE 
    B ....................... Black 
    Br  ...................... Brown 
    G .......................  Green 
    Gy ..................... Gray 
    Or ...................... Orange 
    R .......................  Red 
    W  ...................... 
    White 
    B/W  ................... Black/White 
    W/R  ...................  White/Red 
    Y  ........................ 
    Yellow 
    [email protected] 
    l-·------------! [email protected]} __ 
     ________ ... 
    4-2  
    						
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