Need some help on timing chains/cam chains

i checked all the teeth for the timing and what not and they all seem fine and no broken teeth, it looks like i can just get away with a new timing chain. its hard to believe that the new chain will take up all this slack? it would just suck if i bought a new chain and it was still loose (thinking worst case scenario)

Than check both of the guides as well. They wear also, and you might be in for a set, along with a chain. But again, if the teeth are hooked, that is what you look for. I seen it on a crank from a 2001 YZ426.
 
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