>> i found that on 45 degree the engine slowing down, so i lean the pump as max to check when the engine speed up and then back a little bit as you mentiond and its looks correct now ,
but..
when i move the nose up to 90 degree its still immidiately slowing down and shutting down... errrrr

When you're at 90 degrees, you will be at least at half throttle and the engine should not be shutting down. The only time you will throttle back to idle is for stall turn, and only for a brief moment.

Check your throttle linkage to make sure there is no play at idle position - causing it to close the carb completely.

The only other thing I can suggest is to check all of your fuel lines, fuel filter to make sure there are no leaks or clogging. In addition, submerge the tank in water for pressure test.