Classic signs it's time to de-carb

[BillTex]

Thanks for all feedback spare

I was given a can of omc spray decarb
I soaked the carbs last night
Will pickup some seafoam on way home tonight too

I have been doing a LOT of trolling for stripers and assume this is probably worst case for these engines?

Here's what happened: last weekend while running down the bay at 4K after about 1/2 hr engine loses rpm. I back off
Check everything
Seems ok
I turn around head home running about 3.5 k no problem
All is well

Next day check fuel filter, oil etc
Looks fine
Run down bay 4K
Exact same spot it happens again

Run back to dock 3.5k no problem

Check everything again
Looks good
Did the decarb last night
Letting it soak

Will dump seafoam in fuel also

Tx
Bill