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So I had to reload the springs in my ACCT (I know I need to just convert to MCCT) and for the rear cylinder you have to take off the coolant reservoir bottle. Long story short, when I put back on the coolant reservoir and the u-hook (mounted on the rear ACCT) that holds the rear brake cable I positioned the u-hook up too high. This caused the rear brake cable to become increasingly tighter as I used the rear brake. I went for a ride the next day and didn't feel any drag, then all of a sudden my rear wheel stopped and the rear brake locked up. Got off the motorcycle only to find that my rear drum heated up from the silver metal color to a golden brown pancake color. IT WAS HOT!!! Took off the wheel today to inspect any damage and noticed on the rear part of the hub, where the splines connect the large metal piece has small crack in it. I do not know if they were there before but definetly concerned about them now. Overall the teeth in the rear hub are okay, only noticed a little bit of metal chipped off the outerportion of the hub.

Any of yall have those crack looking lines on your rear wheel?

Any suggestions on what to do?

Lesson to be learned: Don't have that rear brake cable routed wrong!

:crying::crying::crying:
 

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pretty sure mine is the same way.
Mine looks that way too. Not really cracks, I think, it's mostly just flash from the casting that wasn't ever polished off. No need for the factory to clean that up on assembly. You can see that on a lot of rough cast aluminum parts.

You're not the first to ask about it, I was surprised for a bit when I saw mine. If you google image some pics or look at parts on ebay, you see it a lot.

Check the brake drum surface for bluing and cracks though. I wouldn't want to run with cracks in the drum surface, could lead to sudden wheel lockup or loss of rear braking.. Sounds like it was really hot.
 

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I know when I installed my MCCTs that I routed the brake cable differently. I have not noticed any issues though. Be that as it may since reading your post I went back to look at right-side pictures of the bike before I did that so I know which way to return the routing to.
 
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