Questions & Answers for: Yamaha idle screw

...vacuum leaks and the idle screw is turn up. Then adjust the a/f ratio screw to highest idle, turn down the idle screw and repeat until a/f screw makes no change. At that point you set your idle

...idle screw. how do i fix it? i heard you have to trun the idle screw 3 3 1/2 turns. but do i have to take the idle screw completely out. can you tell me every bit information possible. thank you so ...

...where the idle screw is? its probably on the carb but idk exactly where, i know where the air screw is but nothin else the idle set screw located left side center of the carburetor brass slotted ...

...air and out is more air thats the air mixture screw. idle screw is self explanitory start turning it if it idles up then your turning it up if it idles down then you are idling down usually in is

...idle stop screw to 950-1050 RPM. 8. This procedure works great on 99% of all engines, for the 1% that demand a more robust throttle response on aftermarket monster fuel delivery systems additional ...

...idle screw and tighten down lightly. count back the number of turns you wrote down. There could be other problems but this is a great starting point assuming the idle speed adjustment wasn't messed ...

...idle screw, but it doesnt help. first drain your float bowl. you may have water in the fuel. if this doesn't help then you must clean out the carb. you will need a can of spray carb cleaner. remove ...

kids took carbs off now carbs shot gas and oil in air breather you have two screws one on right hand side in one in between carbs it says its a 650xs4 here the ser number jya12r006da101817 Ok try this

...idle screw and still not helping could it be the jetting? When you say you've "played with the idle screw", do you mean the idle MIXTURE screw, or the idle SPEED screw? Also, it COULD be the throttle ...

...idle stop screw to 950-1050 RPM. 9. This procedure works great on 99% of all engines, for the 1% that demand a more robust throttle response on aftermarket monster fuel delivery systems additional ...