Question for the Evinrude Guru's ?

[TritonAL 186]

Do any of you guys know what a Optic sensor is on a 1997 Evinrude Ocean Pro 150 hp ? and what does it do ? A friend owns this engine and wants to know the anwser to this question. I told him that if anyone would know, you guys would...

Thank you , AL.

[ChampioNman]

It tells the motor when to fire.

[TritonAL 186]

Thanks Fred , , I will tell my friend.