Sotiris Posted July 28, 2014 Share Posted July 28, 2014 Hi all The bike has trouble to increase RPM and make fart sounds Any ideas? thanks Link to comment Share on other sites More sharing options...
Member Contributer Switchblade Posted July 28, 2014 Member Contributer Share Posted July 28, 2014 Hmmm less fiber ..... Pull the lid on the air box and check the air filter ... Link to comment Share on other sites More sharing options...
Beck Posted July 28, 2014 Share Posted July 28, 2014 Could be slight misfires.......which could mean a weak spark/weak battery. Had exact smae symptoms happen to my 4th gen recently, right before the battery died....... Link to comment Share on other sites More sharing options...
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