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vic2340

2009 yz450f with 2006 cdi, yellow plastic insert

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Hello, I am writing this because on my 2009 yz450f I just replaced the cdi to a 2006 cdi as an upgrade. When I got the 06 cdi it didnt come with a yellow plastic insert that fits between the electrical prongs. Now I put yellow insert in from my 2009 cdi into the 2006 cdi and put it into my bike. The bike wouldnt even run past idle. I thought this was weird, I took the yellow plastic insert out and the bike runs fine now. However im wondering if this piece is important and should be in there or not. Does anybody know?

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Haha, well I'll reply then...

 

I've got an '06 cdi in my '09, actually I've owned 2 '09 yz450f's and this ignition has been in both of them. I didn't take the yellow insert out of my '09 ignitions, I just ran the '06 as it was & it's been fine for 3 years. Hope that helps ?

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Thank you so much for replying. I will put that yellow insert in. It must serve some purpose. Maybe when my cdi wasnt letting my bike go past idle i had the insert in wrong. I will try it again.

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Thank you so much for replying. I will put that yellow insert in. It must serve some purpose. Maybe when my cdi wasnt letting my bike go past idle i had the insert in wrong. I will try it again.

 

What I meant was that I'm running the '06 ignition without the plastic insert.

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I'm confused, so which is it? Put it in it leave it out? I'm looking for an 06 CDI, just wanna make sure I know everything I need to for install.

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I may be mistaken, but I believe the insert should go into the plug (harness). I believe it is there to keep the plastic tabs that lock the wires into the connector from pushing out and coming loose. Again, not 100% on this issue, just going on what I have experienced repairing others

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Hmm, didn't think I had it in there ? Oh well, I guess I did.

 

This is how mine has been, yellow insert in place for the last 3 years :

 

photo13_zpsa5ef19d6.jpg

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The insert is a part of the weather sealing system, and should not be omitted. In this case, I think what probably happened was that the OP did not get a complete connection to one or more pins on the first installation.

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Yes gray racer i think your right. I put it in this time and pressed the cdi in very hard. Now my bike runs fine. I think before even though i clicked it in the prongs still where not making a good connection to the cdi, you have to make sure that its in tight.

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