E
1
2
3
4
5
6
7
8
9
–
+
ELEC
CHAPTER 8
ELECTRICAL SYSTEM
.......................................................................... 8-1
ELECTRICAL COMPONENTS ANALYSIS
..................................................... 8-2
DIGITAL CIRCUIT TESTER ...................................................................... 8-2
MEASURING THE PEAK VOLTAGE ........................................................ 8-2
PEAK VOLTAGE ADAPTER ...................................................................... 8-2
.............................................................. 8-3
........................................................................................ 8-4
WIRING DIAGRAM .................................................................................. 8-4
CHECKING THE SPARK PLUGS ............................................................. 8-5
CHECKING THE IGNITION SPARK GAP ................................................ 8-5
CHECKING THE SPARK PLUG CAPS ..................................................... 8-6
REMOVING THE SPARK PLUG CAPS .................................................... 8-6
INSTALLING THE SPARK PLUG CAPS .................................................. 8-6
CHECKING THE SPARK PLUG CAPS ..................................................... 8-7
CHECKING THE IGNITION COILS .......................................................... 8-7
CHECKING THE CHARGE COIL .............................................................. 8-8
CHECKING THE PULSER COIL ............................................................... 8-9
CDI UNIT ................................................................................................ 8-10
CHECKING THE CDI UNIT .................................................................... 8-11
.................................................................... 8-13
WIRING DIAGRAM ................................................................................ 8-13
CHECKING THE ENGINE STOP SWITCH ............................................. 8-14
................................................................................... 8-15
WIRING DIAGRAM ................................................................................ 8-15
CHECKING THE LIGHTING COIL .......................................................... 8-16
CHECKING THE RECTIFIER/REGULATOR ............................................ 8-17
Summary of Contents for 25BMH
Page 48: ...FEATURES AND BENEFITS GEN INFO 1 12 E COOLING SYSTEM Fig 7 ...
Page 49: ...1 12 CARACTERISTIQUES ET AVANTAGES GEN INFO F ...
Page 50: ...1 12 MERKMALE UND VORTEILE GEN INFO D ...
Page 51: ...1 12 CARACTERÍSTICAS Y VENTAJAS GEN INFO ES ...
Page 92: ...MAINTENANCE SPECIFICATIONS SPEC 2 8 E DIMENSIONS ...
Page 156: ...GENERAL CHK ADJ 3 26 E NOTE Grease the inner cable and the lock nut 2 Apply Yamaha grease D ...
Page 440: ......
Page 441: ......
Page 444: ......
Page 445: ......
Page 446: ...Printed on recycled paper Printed in Japan Oct 2000 1 9 1 25BMH 30HMH YAMAHA MOTOR CO LTD ...