cracked

I was doing some work on the bike which involved stripping everything off. I noticed something didn't look right with the left-hand seat-mount tab on the frame. On closer inspection it had cracked through the small hole and along the weld-seam for the nut/thread...broken rather than cracked...

What a day! After warming the bike up and bliping the throttle, there was a horrible metallic knocking noise. After taking the engine out, I found that the bolt holding the timing sprocket on the cam had come loose. It has bent the cylinder head and cracked it, along with the valve cover. Has...

What is missing on my airbox? I have the service manual and can't find any diagrams in there. The airbox is cracked also, but there is a recall so I can get another one for free.

KTM RC390 Performance ECU Remapping | ECUwest Seems it's able to be cracked.

Interesting. I'll try to post some pictures later today. It is cracked right where the "tube" coming from the throttle body meets the main part of the airbox. Theres a huge ugly plastic "weld" going around the box which I guess is part of the molding process. That sucker is cracked all the way...