Any idea what's causing the pew sound on my motor

Juicyjayocean

Active Member
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5:19 AM
Joined
Jul 6, 2022
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446
It's only when I'm at the max speed the bike will go I think only down hill too but I need to test it more I feel like it might be because I don't have a high compression head and the pressure is to great and it pushes out from somewhere
 
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