The practical answer: get safe, stop riding if the scooter is not roadworthy, document everything, and contact support immediately instead of hoping it will sort itself out at return.
If you damage a rental scooter in Bali, do not wait until drop-off and do not authorize your own repair. Get to a safe spot, stop riding if anything affects brakes, steering, tires, lights, or leaking fluids, take clear photos and video, and contact the rental provider immediately...