need help 250 ninja stumbles/dies with throttle
i have a tough nut to crack.
08 ninja 250
carbs totally rebuilt by carb shop
have tried multiple ignitors
was running sticks coils(ohmed ok)
put stock coils on(ohmed ok)
compression test passed
valve check recently done, rechecked clearances all good. changed plugs(one looks like it’s running rich) yes carbs are synced and pilots are set
intake boots look ok.
symptoms started with airbox on
still did it with no airbox.
tried multiple batteries
is it possible for a cam to be out of round that is causing this? running out of options. it will idle normal but any throttle and it wants to die.
looking at back of carbs, left carbs slide starts to flutter and blows back when throttle applied.