Ignition System; Ignition Circuit Operation - Yamaha ttr230 Service Manual

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IGNITION CIRCUIT OPERATION

The ignition control circuit of this model consists of: ignition control unit (C.D.I.), neutral
switch, and neutral light.
If the "ENGINE STOP" switch and the main switch are set to "ON," the spark will flash
only if:
• The transmission is set to neutral (the neutral switch is "ON").
Battery
1
Fuse
2
Main switch
3
Magnet rotor
4
C.D.I. unit
5
C.D.I. unit
6
A
B
With the motorcycle engaged the starting relay will not activate
the starter motor, preventing the engine from running.
Ignition control unit
7
Thyristor
8
Neutral switch
9
Ignition coil
10
Spark plug
11

IGNITION SYSTEM

7-6
ELECT
Bypass current
Field coil current

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