Backfiring with mods done

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?

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.

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 !

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