Yamaha Outboard Motors Factory Service Manual F6 and F8, Page 456Get this manual
IGNITION SYSTEM CHECKING THE CDI UNIT
Measure: CDI unit output peak voltage Below specification Replace the CDI unitCDI unit output peak voltage Orange (O)Black (B) rminD.C.V Cranking Opened Closed 53.2 140 1,500 168 3,500 168