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backfiring

  1. Kawasaki KFX450/KFX400
    Hi all I have a 2012 KFX450R, it runs good til it gets to 4th and 5th gear. It just starts bogging down and backfiring. It runs good in 1st 2nd and 3rd gear. The only thing aftermarket on it is a Yoshi pipe. I have been trying to figure this problem out for the past 2 months. I have put a new...
  2. Kawasaki KFX700 V-Force
    Hello i have a kfx 700 and it ran great. it then had a carb leak so we brought it in to a guy that deals with carburetors and had it cleaned and put in new bowl gaskets which solved the problem. we put the carb in and now it just starts backfiring (popping) like crazy (it idles fine, just when...
  3. Kawasaki Brute Force/Prairie/Bayou
    okay, here's the scenario... My buddy has a 2007 brute force 750 STOCK... it had set awhile and his brother gave it to him to fix... It will start up just fine and idle like nothings wrong.. but when you hit the throttle, it bogs down and you have to pepper the gas to get it to rev up and if at...
  4. Kawasaki Brute Force/Prairie/Bayou
    Anyone have an answer??... i have a 09 brute 750i and here lately is feels sluggish thottling.... it backfires right before the bike stops rolling when off the gas...then it will stall... happens quite offer when riding in the woods...
  5. Kawasaki Brute Force/Prairie/Bayou
    Whenever I take my Prairie out for the day; she starts like any normal atv. I can ride it for about 20 minutes with no problem. (Al-tho if I run it at full throttle for like 30 seconds she backfires!) After only 20 minutes of riding she starts sputtering and then she stops and cuts off...
  6. Kawasaki Brute Force/Prairie/Bayou
    I have a 1988 Bayou 300 2WD that runs fine at idle and runs fine once get above 1/4 throttle. As it warms up it does better and better but never running like it should. The problem is always at about 1/4 throttle, it spits sputters and backfires until I get rpms higher then runs fine whether...
  7. Kawasaki Brute Force/Prairie/Bayou
    hey all, i need some help. i have a 2005 brute 750, completely stock, and at wide open throttle it only gets to about 55 mph, and its like you cut the switch off. if you get back into the throttle, it pops and backfires and will not take any fuel for a couple of seconds, then it runs fine until...
  8. Kawasaki Brute Force/Prairie/Bayou
    my 03 650 prairie has been put up for awhile and I just got it back out, replaced batt,plugs,oil,took apart carbs and cleaned them.but it is backfiring bad out of carbs and exhaust at 1/4 throttle and on. don't know where to go from here. Please help, Thank you
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