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bherstine

06 YZ450 stock idle screw setting

10 posts in this topic

I have a silly question and please don't ask me why I need to know this but, does anyone know the stock setting for the idle screw on a 2006 YZ450?

I think my daughter got a hold of it and now I am having a hard time starting it. The last time I rode the bike, it ran great. Now I can't get it to start. If changing the idle screw setting would not have anything to do with getting it started, does anyone know what else I should look at?

I try to start it the way I always have and I don't get anything that even resembles it turning over. I have pulled the plug and it it soaking wet. I dried the plug, dried the cylinder and tried it again, again, and again. Still no luck.

Please help. I hate to take it to the local shop and get charged an arm and leg to fix something simple.

Thanks.:banghead:

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you sure it isn't just because of the cold weather? I find it hard to believe a little girl could turn the idle screw much by herself...

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You don't know my little girl. I rode last winter and never had this same issue. What else could it be?

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You might find this strange or maybe not, but I don't know. After I bought it in 06, a friend of mine at the local shop hooked me up and changed the jets for me. Thats sad, but when it come to the technical stuff, I let the experts handle it.

I might just take it back down there on Monday. They aren't too busy now anyway.

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I was going to put a new plug in but my friend misplaced it. I checked the spark and it is strong. I know its tough to tell by looking at them sometimes but this one looks almost brand new.

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I just thought of something, I did put a new Pro Circuit stainless header pipe on it but it looks identical to the stock one. Do you think that there is a big enough difference in the two that I need to get it rejetted?

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you definetely want to find out what jets you have now.. jetting changes are required when the seasons change.. it isn't hard to do, there are a lot of threads on this, do a search.. then give it a go, it's a needed skill...

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