Whats this chemical metal hiding?

<p>So after paying top dollar for a bike thats supposed to be in excellent condition the whole things seems to be falling apart. While trying to investigate the bottom end knocking im getting i stumbled across this bit of chemical metal, Im guessing this isnt a must do mod for yz's? Is it common for this to split? or loose thread? I didnt want to chip off the metal incase there is something horrible under it. Im wonderinf if the oil was even flowing through it now.


Edited by Bigdong

The motors are very noisy, so your 'knocking' problem may not be a problem.

That looks like JB weld paste.

More than likely, it was hit by a rock, cracking the case where the fitting goes in.

That kind of looks like a 'support' beam was created to keep the fitting in line.

If it doesn't leak, I wouldn't worry about it.

Oh, and by the way, your clutch basket has a few hours on it. All those grooves might make the clutch grabby. Not a catastrophic issue, just very annoying when the clutch is inconsistent in it's feel.

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