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<blockquote data-quote="Trfsrfr" data-source="post: 209345" data-attributes="member: 3959">Carb questions:I am still trying to get it dialed in and yesterday I dropped the needle clip to the top position. I took it around the block, and it may have made a difference, but haven't brought it out to the dirt wind it up. I'll do that when I'm done typing here.But I am having issues identifying what I have;According to Palmer, I may have a RM carb on it??? as the idle speed is controlled by turning the choke knob.And this is where my problems start - see, I have a manual for a 1999 250 M model, that says I should have a PWK on it.Then I also have a manual for a 1998 L model that says PWM.According to the data I have, I have a 1999 YZ250 L1, model code 5CU1, G engine, and the 10th vin digit is an X, which from what I have read means it is a competition model, and it has a PWM carb, with a 172s MJ, and 50 PJ. I did not write down the needle number...One manual (the 99 M with PWK) calls for a 175 MJ, with an N3CW-3 needle/posAnd the other (the 98 L with PWM) calls for a 172 MJ, with a N3VF-2 needle/pos.It seems to run okay, currently it wont idle, although I am sure I will get it dialed, but it would be nice to know where to start looking for accurate info and I haven't found a manual yet that exactly matches what I have, or to tell me what the stock settings and part numbers should be.I'm gonna go load it up and bring it out the desert now, be back later.</blockquote>

[QUOTE="Trfsrfr, post: 209345, member: 3959"] Carb questions: I am still trying to get it dialed in and yesterday I dropped the needle clip to the top position. I took it around the block, and it [I]may[/I] have made a difference, but haven't brought it out to the dirt wind it up. I'll do that when I'm done typing here. But I am having issues identifying what I have; According to Palmer, I may have a RM carb on it??? as the idle speed is controlled by turning the choke knob. And this is where my problems start - see, I have a manual for a 1999 250 [I]M [/I]model, that says I should have a PWK on it. Then I also have a manual for a [I]1998[/I] L model that says PWM. According to the data I have, I have a 1999 YZ250 L1, model code 5CU1, G engine, and the 10th vin digit is an X, which from what I have read means it is a competition model, and it has a PWM carb, with a 172s MJ, and 50 PJ. I did not write down the needle number... One manual (the 99 M with PWK) calls for a 175 MJ, with an N3CW-3 needle/pos And the other (the 98 L with PWM) calls for a 172 MJ, with a N3VF-2 needle/pos. It seems to run okay, currently it wont idle, although I am sure I will get it dialed, but it would be nice to know where to start looking for accurate info and I haven't found a manual yet that exactly matches what I have, or to tell me what the stock settings and part numbers should be. I'm gonna go load it up and bring it out the desert now, be back later. [/QUOTE]

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