1997 Yamaha 200hp carbureted saltwater series of spark on only two cylinders

[Saltlife941]

carbureted saltwater series Serial # S200TXRV spark on only two cylinders on each bank cylinders five and four only have spark I've swapped Ignition coil's still same result I have switched crank position sensor same result I have switched the CDI's same result no spark on cylinders four and five

[pstephens46]

Spark or no spark on 4 and 5? Little confusing.....

[DennisG01]

Please add some punctuation. It's hard to understand when it's just one, big, run-on sentence.

[99yam40]

spark on only two cylinders on each bank
cylinders five and four only have spark
no spark on cylinders four and five

My guess is he has been drinking, but it is real early here right now

Follow the service manual ignition system testing steps.

I would think there are pulser coils involved telling it when to fire spark, but I know very little about that motor

[Saltlife941]

Spark or no spark on 4 and 5? Little confusing.....

Only have spark on 4 and 5

[Saltlife941]

Spark or no spark on 4 and 5? Little confusing.....

Only have spark on cylinders four and five

[rodbolt17]

that set up uses a pulser coil to spark cyl's 1&4 and 3&6.
2 and 5 are made by the CPS.

time to test inputs to the ECU.