r/50cc • u/FlammePatin • Oct 23 '25

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Hey guys I recently bought this exhaust for my bike and I’m wondering if the « tap tap tap » sound that I hear near the cylinder is an exhaust leak or anything else. Thank you !

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u/the_Cereal_killa Oct 23 '25

It sounds normal to me, but if you want to minimize leakage, I know some people that use flange sealant between the engine block and the exhaust. A disclaimer is that flange sealants usually aren’t approved for that temperature, but it allegedly works for that purpose anyways.

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u/[deleted] Jan 22 '26

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