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How to adjust idle on rm 250

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Where do I adjust the idle on my rm 250. I thought you just turned the choke knob to adjust it on this this bike, so I gave it a few turns but it doesnt seem to do anything. Theres also a black plastic screw I I believe thats for the throttle positioning sensor. I also noticed that it seemed to get more of that big bore 2t idle sound to it more than it used to. What would be the readon for that

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Hi Noah,

 

That black plastic screw with spring is the idle adjustment. Screw it in for higher a higher rev. That screw will push the throttle slide up when you screw it in. The choke knob also affects the idle a little bit. The manual gives a good explanation of its operation and what the factory setting is. 

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Hi Noah,

That black plastic screw with spring is the idle adjustment. Screw it in for higher a higher rev. That screw will push the throttle slide up when you screw it in. The choke knob also affects the idle a little bit. The manual gives a good explanation of its operation and what the factory setting is.

thanks I did some more research and found out that the choke knob on this model is kinda like the air screw

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