Yamaha R1 Forum: YZF-R1 Forums - View Single Post - Exhaust Backfire Flames
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post #1 of (permalink) Old 10-07-2018, 05:52 PM Thread Starter
Keith Richards
My R1 eats me.
Join Date: Oct 2018
Posts: 1
Exhaust Backfire Flames

I have a 2008 R1 with a Graves slip on dual exhaust and occasionally at night time i can notice a flame coming out of the exhaust when it backfires and sometimes when i rev it to the limiter. It does not bother me but besides remapping the ecu is there any other way to fix this an/or is it potentially harmful to the bike?
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