New to us 2022 GS24 won't start

[SkiToday]

2022 PCM w 500hrs

Used it several times including yesterday with NO problems.

Now everything come up and when I hit the start engine button, fuel pump primes for a few secs and nothing else. Gas in the boat, kill switch in, in neutral, just swapped battery (thought that was it. )

Any ideas? Bout to go swap the starter relay after chasing one down. Anything else?

Thanks
Much

[MinnDakNautiqueFan]

Possible that the Throttle Base Assembly is bad