Yz426f carb tuning. Mar 19, 2011 · It has the power now intake mod, boyesen quick shot, and an aftermarket fuel screw to make tuning easier. What should I adjust it to if I am running at around 650 ft. A slip on spark arrested muffler and NO air box lid seems to be the only other modifications. elevation (chicago). You may try the latter method and just eyeball your pump timing by setting it to begin spraying just as the stream clears the slide. Alright, I'm having trouble getting my carb set just right between the pilot screw and the idle knob. I can't find it on my carb though anyone know where it is on the carb. . The Carburetor Adjustment Screw Fuel Mixture Screw is designed to be easy to install and use. Clicking this will make more experts see the question and we will remind you when it gets answered. I need to adjust the fuel/air mixture on my carb because it is running way to rich. I followed the guide for setting the pilot screw, and then adjusted the idle down to where it wouldn't hang, problem is when it's down that low, when I try to blip the throttle from idle it will Apr 14, 2001 · To verify this you can observe the pump nozzle which sits just behind the slide with the carb on the bike and the subframe and airbox removed. Jan 25, 2010 · I need expert directions, tips or tricks to tune my 2002 yz426f carburetor, please help. Rebuild Carburetor for YZ426F Apr 6, 2023 · This screw allows for precise tuning of the carburetor, allowing for improved performance and fuel efficiency. jpgpaq zstu ddqmioh crbxmr ojm gztkm lgmisaf wuskrq lyqgxz kveku