Toyo Kogyo Co., Ltd.

Koji Yoshizu

Kingo Okitsu

Ignition system for an internal combustion engine including a pair of breaker contacts parallely connected with the primary coil of ignition coil means, one providing a normal ignition timing and the other a delayed timing, and a pair of time delay means, one having a normally closed contact and providing a predetermined time delay, and the other having a normally open contact and providing a longer predetermined time delay, said contacts in the time delay means being disposed in series between the primary coil and said other of the breaker points, whereby there is provided a normal ignition timing for a certain period after engine start, then a delayed ignition timing for a further certain period and thereafter again the normal ignition timing.

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Hiroshima, Japan

Koji Yoshizu