Most (if not all) Trial moto bikes have a specific sound. It is a chirping, howling sound.
Here is a sample (from 5:22 to 5:27):
https://youtu.be/T4HB6rxpjRQ?t=5m22s
I am wondering about the exact source of this howling sound. My assumption is the
generator, but I am not sure. Any advices are welcome.
Thanks
Sailor