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Tight timing chain removal

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Old Sep 24, 2010 | 09:33 AM
  #1  
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Tight timing chain removal

I recently built a new motor and changed my mind on cam selection due to change of plans for motor. I have a brand new FMS double roller timing chain. This chain is super tight and has almost zero play. I have removed the cam sprocket bolt and have tried to slide the sprocket off the cam but it tightens up before coming off the cam, I think because the chain has almost zero slack. The bottom crank cog will not budge by hand. Anyone have any tricks or ideas?
 
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Old Sep 24, 2010 | 02:42 PM
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Try a large screwdriver behind the crank gear to gently wedge it forward and then try to
remove the cam gear. You may have to move it a couple of times to get it where the
cam gear will come off.
 
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Old Sep 24, 2010 | 04:23 PM
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You must remove the two sprockets evenly, keeping the chain from getting twisted.
 
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Old Sep 24, 2010 | 06:13 PM
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That's the problem....I can't get the bottom to budge....I'll keep at it....maybe eventually it will free up.
 
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Old Sep 24, 2010 | 07:00 PM
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When it doesn't budge....

Use Bigger Bar X More Force = Sprocket Moves

Once it broke I could remove by hand....just didn't remember it being that difficult before.

Thanks for the help guys!
 
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Old Sep 24, 2010 | 11:52 PM
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Sounds like you need to use some kind of puller...

Something seems amiss that one of the sprockets is so stuck on a new motor.
 
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