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Discussion Starter · #1 · (Edited)
hello I need some help wit the chain on new to me 400ex seems like Im missing some parts on the chain area .Could someone post some pics like theese. so I could see what It should look like down theere. Thanks in advance. It is 1999 400ex.
 

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Discussion Starter · #4 ·
yes the chain is super loose it had a 15 tooth sprocet on the front it was wore pretty bad. the po gave me new in package 14 tooth. I put it on and havent tightened the chain yet. the smaller sproct put a little hump in the chain the chain isnt straight will it be ok or will that be a problem I pulled the chain tight and there is a slight hump where the chain comes off the front sprocket and goes over the chain guid to the back sprocket
 

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One thing is for sure your missing the case saver. I would look into getting one of those. If your chain snaps the way it is you could crack the one side of the case and thats never fun. There a cheap insurance policy!
 

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It looks like one of the links in your chain is seized and not moving freely. That's why it's not sitting on the front sprocket like it's supposed to. Your chain is dry and needs to be lubed.
 

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Discussion Starter · #13 ·
hemut I followed the instructions that ring was hard to mve but I got it to move no change in the chain if anything it is a little looser I pulled back on it towards the back of bike not push forward does this piece look complete or is anything missing.And how much should I have to move that piece to see some change.
 

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I don't think anything is missing. Try loosening those pinch bolts a little more and see if it will move back some more. Your chain may be stretched and you might have to remove a link or two where you went to a smaller front sprocket.
 

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Discussion Starter · #15 ·

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Does the chain appear to be tightening up any at all when you rotate it backwards?
 
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