February 25, 201610 yr 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
February 25, 201610 yr As above due to straight cut or near straight cut gears and float on the clutch basket.
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