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ktm 250sxf

  1. Off-Road / Enduro
    Hello! Has anyone have any advice why my bike sound so strange?(Sound is not clear) I dont know how to describe the sound.Here is video where you can hear it- https://www.youtube.com/watch?v=LR0WIqcRV6Y This sound is only on high rpm. Timing,and valve clearance is good,have changed all fuel...