what could it be?

[jjdluz]

i take my boat out test run,wot is 5200 rp,i like it,but on the way back fuel running low,and warning light come on with low fuel,have never run that low before,and make it to landing and go home,following week take the boat out,wot rpm drop to 4400,if that is ur boat ,what is the first thing u will look at?carb?clean it?fuel pump?or something else?all spark is good,compression good,need some tips,thanks for all the good peoples and knowledge,i have learn a lot,and like to keep on learning.

 

[JB]

Re: what could it be?

What engine are you using, jj?

 

[jjdluz]

Re: what could it be?

1992 yamaha 200 txrq outboard,and it have been running good and strong,and spark and compression still good,

 

[rodbolt]

Re: what could it be?

check all the fuel filters, you may try pumping the primer when its losing power, do it quickly and only as a test cause if its running lean due to a clogged carb its possible to burn a piston.
if you do the carbs replace the fuel pump as a maint issue anyway