30 hp Yamaha losing spark at 3/4 throttle

[Jasontparris]

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I have a 30 hp Yamaha outboard. Cv30eld. At 3/4 throttle it is losing spark in both cylinders. I have replaced coil, ignition coil, and cdi. Trigger coil tested in spec. Checked timing with light and noticed spark falling off and missing at about 3/4 throttle. Any thoughts on what to check next.

 

[99yam40]

I would follow the steps in service manual for testing peak voltages into and out of the CDI to see what is failing when spark is lost