Backfiring with mods done

3 replies to this topic
  • Traskrider

Posted March 04, 2008 - 05:04 PM


I did the mods as far as Airbox,Gray wire,silencer and removal of the AIS. Just completed the latter today took it for a ride and now on deceleration it's backfiring ! Wuz up?

  • TRUE_2_YAMAHA_001

Posted March 04, 2008 - 05:05 PM


it is great that you have done that, but if you do not rejet it, it is almost useless, and is it a backfire or a lean pop? i would try a bigger jet.

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  • Traskrider

Posted March 04, 2008 - 05:09 PM


Thanx I suspected jetting but was'nt sure if it did affect the bike that much when the AIS was removed I'll get on it !

  • KennyMc

Posted March 04, 2008 - 09:07 PM


check this out for how other people are jetting their bikes. I went with the JDJetting kit with a 168 main and 48 pilot.


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