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Thread: REDS Engines (Mario Rossi)
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Old 05-15-2015, 12:26 AM
  #1408  
My ST-RR EVO
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Originally Posted by hyperfuxx
It's not rubbing against the back plate. There's no scuff marks. Sounds like a bee buzzing in a tin can. Not sure if reds pipes just sound funny. I'm rebreaking it in now. It's 175ish and ran almost a full tank in 30min on box.
I'm almost sure that with that sound the rear bearing is bad. Someone else had the same issue in "the other" Reds thread
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