Yamaha Waverunner 3 Manual
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7-38 E –+ELECSTARTER MOTOR SERVICE POINTS Armature inspection 1. Inspect: Armature shaft 1 Damage/wear → Replace. 1 2. Inspect: Commutator Dirt → Clean with 600 grit sandpaper. 3. Measure: Commutator diameter Out of specification → Replace. Min. commutator diameter: 27.0 mm (1.06 in) 4. Check: Commutator undercut Contaminants → Clean. NOTE: Remove all mica and metal particles with com- pressed air. 5. Measure: Commutator undercut Out of specification → Replace. Min. commutator undercut: 0.2 mm (0.01 in)
7-39 E –+ELECSTARTER MOTOR 6. Inspect: Armature coil continuity Out of specification → Replace. Armature coil continuity: Commutator segments 1 Continuity Segment - Laminations 2 No continuity Segment - Armature shaft No continuity Brush holder inspection 1. Measure: Brush length a Out of specification → Replace. Min. brush length: 6.5 mm (0.26 in) 2. Check: Brush holder continuity Out of specification → Replace. Brush holder continuity: Brush holder - Base No continuity Starter motor front cover inspection 1. Inspect: Starter motor front cover oil seal Damage/wear → Replace the starter motor front cover.
7-40 E –+ELECCHARGING SYSTEM CHARGING SYSTEM WIRING DIAGRAM B RR 1 2 3 R R R GGG GGG B G B G GGG G 4 1Rectifier/regulator 2Fuse (20A) 3Battery 4Lighting coilB: Black G : Green R: Red
7-41 E –+ELECCHARGING SYSTEM FUSE Refer to “STARTING SYSTEM”. BATTERY Refer to “ELECTRICAL” in Chapter 3. LIGHTING COIL Refer to “IGNITION SYSTEM”. RECTIFIER/REGULATOR Refer to “IGNITION SYSTEM”.
7-42 E –+ELECELECTRIC BILGE PUMP ELECTRIC BILGE PUMP WIRING DIAGRAM 4321 8765 7 18 L/RBrL Y R/YR/Y R/Y R/Y R Y Br Br Br BBB B B B RR 3 2 1 4 5 R P P O R B R R R 1 2 3 4 5 6 7 8 B BB R/Y R/YB Br R/Y R/Y R/Y R/YR/Y R/Y 1ECM 2Main and fuel pump relay 3Fuse (3A) 4Battery 5Electric bilge pumpB: Black Br : Brown R: Red Y : Yellow R/Y : Red/yellow
7-43 E –+ELECELECTRIC BILGE PUMP ELECTRIC BILGE PUMP 1. Check: Electric bilge pump operation Incorrect → Replace. Checking steps: Suspend the electric bilge pump in a con- tainer filled with water. Connect the brown lead terminal to the positive battery terminal. Connect the black lead terminal to the negative battery terminal. Check the water flows from the electric bilge pump hose. –+ B Br
7-44 E –+ELECINDICATION SYSTEM INDICATION SYSTEM WIRING DIAGRAM G G R 4 3 R Br Br L/RBrL Y R/YR/Y R B PR O R/Y R/Y R/Y R P W/B R/Y B/O R/YR/YR/Y R/Y YR R P P P1 2 3 5 6 2 1 B BB 7 6 8 5B/O B/G P BP B/O PB B/O P P B B W B P B/O PB B/Y B/OB/YB/Y B/Y B/O B/Y9 B/O B/OB/O B/O B/O B/O B/OB/O B/O B/O R/W B/YR/Y L/BL/R BB R P BB/YB/G A B C BR W 0 L/BL/R B/YR/YY B/YR/WY BRY B B BB R 71421123 P/W P/W P/W D B/OR/YW/B 4321 8765 1ECM 2Main and fuel pump relay 3Fuse (20A) 4Fuse (3A) 5Battery 6Tacho pulse 7Thermoswitch (exhaust)8Thermoswitch (engine) 9Engine temperature sensor 0Multifunction meter AFuel sender BSpeed sensor CBuzzer DOil pressure switchB: Black Br : Brown G: Green O : Orange P: Pink R: Red W: White Y: Yellow B/O : Black/orangeB/Y : Black/yellow P/W : Pink/white R/Y : Red/yellow W/B : White/black
7-45 E –+ELECINDICATION SYSTEM FUSE Refer to “STARTING SYSTEM”. BATTERY Refer to “ELECTRICAL” in Chapter 3. LIGHTING COIL Refer to “IGNITION SYSTEM”. RECTIFIER/REGULATOR Refer to “IGNITION SYSTEM”. ECM Refer to “IGNITION SYSTEM”. ENGINE TEMPERATURE SENSOR Refer to “IGNITION SYSTEM”. THERMOSWITCH (ENGINE) Refer to “IGNITION SYSTEM”. THERMOSWITCH (EXHAUST) Refer to “IGNITION SYSTEM”. BUZZER 1. Check: Buzzer Buzzer does not sound → Replace. Checking steps: Connect the battery (12 V) to the buzzer coupler as shown. Battery positive terminal → Red (R) terminal 1 Battery negative terminal → Black (B) terminal 2
7-46 E –+ELECINDICATION SYSTEM OIL PRESSURE SWITCH 1. Measure: Oil pressure switch continuity Out of specification → Replace. Vacuum/pressure pump gauge set: YB-35956-A/90890-06756 Oil pressure switch continuity pressure: 128 kPa (1.28 kgf/cm 2, 18.2 psi) – 166 kPa (1.66 kgf/cm2, 23.6 psi) MULTIFUNCTION METER Multifunction meter 1. Check: Multifunction meter Cracked meter housing → Replace the multifunction meter. Meter is fogged/shows signs of water intrusion → Replace the multifunction meter. MULTIFUNCTION METER REMOVAL Refer to “STEERING CONSOLE COVER” in Chapter 8.
7-47 E –+ELECINDICATION SYSTEM Display function 1. Check: Display function Not operate → Replace the multifunc- tion meter. L/BL/BB L/R B/YB/YR/W B/GB R/W YY RR WW B B B B/G L/R R BR1 2 3 4 1Buzzer 2Speed sensor 3ECM 4Fuel senderB: Black R: Red W: White Y : Yellow B/G : Black/green B/Y : Black/yellow L/B : Blue/black L/R : Blue/red R/W : Red/white