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My atomik trooper kids atv was idoling fine and took off fine but when you let off throttle it crackles and pops then it just died I choked it down and it crunk what do I need to do

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Popping when you let off the throttle is a sign of running lean. Could be caused from leak in intake boot, air/fuel screw on carb adjusted incorrectly, wrong pilot jet, dirty carb. When I say lean I mean lean as in too much air or not enough fuel on the low rpm side.

Posted on Apr 21, 2014

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Posted on Jan 02, 2017

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netrakid250
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SOURCE: 02 crf450r starts up fine.... let choke off then

I have a crf 250 R and i have learned multiple things about these bikes like if you leave it running and not riding it for about ten min. it will over heat. they love race gas 113 octane,and alot more. but your prob sounds strange. i know if you hold the hot start while its runing it pops that could be a problem. or it could be you are not cleaning the bike out i would need to know more about this to give a definate answer but try going over the bike. Look at key parts like the
carb
air cleaner
fuel line
any thing that is nesessary for the bike to run.

Posted on May 31, 2009

  • 3567 Answers

SOURCE: 1987 rm 125 starts and idols fine, bogs out on take off!!!!

Pull the slide out of the throat of the carb then move the clip at the top of the needle down one notch, two if needed. This will richen the low end fuel mix.

Need a "very helpful" rating asap. Thanks!

Posted on Jun 15, 2009

ollie reece
  • 1167 Answers

SOURCE: wont idle

lol buddy if its not idling turn the idle screw in until it idles get back to me if no difference 2ee8c57.jpg

Posted on Sep 30, 2009

WhiteFox4
  • 641 Answers

SOURCE: when i start the atv with the choke it stays on ,

The choke should only be used when starting cold. After the bike is warmed up you can turn the choke off. If it keeps shutting off after being warmed up for a few minutes, then check your gas/air ratio for the idle air mixture knob. Loosen it up 1/4 turn to allow more gas to flow.

Posted on Oct 20, 2009

heimlich
  • 1978 Answers

SOURCE: trx90 atv honda carb adjustnent. STARTS WITH CHOKE

Take your carburetor apart and clean it. Paying close attention to the slow jet and slow jet passageway through the carb.

Posted on Sep 05, 2010

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Harry, dirty carb or injectors.
Check the attached links,Manuals and guides, Good luck with your Bike
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

ATV TROUBLESHOOTING AND MAINTENANCE
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http://www.carlsalter.com/motorcycle-manuals.asp

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