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  1. hesitation at take off and a backfire from the exaust when down shifting hard

    Missouri
    i have a slight hesitation on take off then it opens right up and runs like a champ... then going from full throttle in 5th gear ill down shift fast and hard for a corner and once in awhile it will backfire then run great again as soon as i put the hammer back down.. and ideas? as far as i know...
  2. Raptor 660R - Backfires on 3rd+ gear when I give it full throttle!!!

    Raptor 660 General
    Whats up guys ? I'm new here and I have a bit of a problem on my 660r, here's the thing.. my bike backfires and stalls when i give it full throttle whenever im on a gear passed second gear.. I talked to a mechanic about the possibilities of it being a carb issue but he claims that he is 80% sure...
  3. Popping/backfiring while downshifting...

    Raptor 660 Mods
    Hey guys, New Guy here... I've been reading the forums for a while now and thought I should join in! I have an 03' Raptor 660 that has been worked a little before I bought it. It has a set of hot cams in it, a slip on fmf muffler and no air box lid. When I bought it the starter solenoid was bad...
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