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Discussion Starter · #1 ·
On my scrambler I have a button '' OVERDRIVE'' what does this do??? and when I start the ATV, I hear a weird engine noise like knocking... it never stops well when I give more throttle, I don't know if the knocking disapears but I just don't hear it anymore.. PS: I ONLY HEAR THE NOISE ON LOW RPM... I don't know, maybe it's bevcause off the noise 'cause I just don't hear it anymore...
 
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