1996 yam 30hp oil inj 2 stroke, starving fuel

[spudsc26]

hi new to the site but i have a problem with my engine it starts fine idles fine and runs fine for about 10 mins at full throttle then starts to die but if i sqeeze the prime bulb it picks up again, then will go for a bit then starts to die again, sqeeze and fine, ive replaced lines and bulb cleaned filter, etc
any help will be great thanks.

 

[rodbolt]

Re: 1996 yam 30hp oil inj 2 stroke, starving fuel

by squeezing the primer your bypassing the fuel pump and filling the carb fuel bowls manually.
tells me most likly either you have an air leak or a weak fuel pump.