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Fuel filter is new. It's not oil injected it's premix. I've tried pumping the ball while the issue is occuring. I'm 99 percent sur it's not a fuel issue. I have a 90 Yamaha 2 stroke and whenever that's had fuel delivery issue it has bogged down, this engine is not bogging down it's more like the...
After about 5 minutes of running on plane my Yamaha will rev down and start shaking. Will idle just fine and go slow but when trying to accelerate it shakes almost as if spark is being cut or timing is off. What I've tried
-cleaned carbs thoroughly to make sure wasn't fuel issue
-verified...
