content_image/536951.jpg content_image/536952.jpg
<img src='content_image/536951.jpg'>

<img src='content_image/536952.jpg'>

is stored in capacitors of the electronic modules (2). At the moment of ignition, two each of the four external trigger coils (3) actuate the discharge of the capacitors via the primary 

circuit of the dual ignition coils (4). The firing order is as follows: 1-4-2-3. The fifth trigger coil (5) is used to provide the revolution counter signal. 

