Two types of triggering mechanism- Triggerhead Timing rotor In this electronic system, steel ridges on a rotorcreate a small voltage as they pass through themagnetic field of the triggerhead. Magnetic strips embedded in the rotor create thevoltage in this system each time they are opposite thetriggerhead, which triggers a power transistor.

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How engine timing works

For an engine to work at its best, the fuel/air mixture in each cylinder must fire just as the...