thall1 Posted April 16, 2016 Report Share Posted April 16, 2016 Hi Guys, got a 2006 4RT......no problem when its running and in use however when its sat on idle it has a what I can only describe as a "stutter"! .....its almost like it decides it wants to die- the revs drop then thinks better of it - probably only does it over a single stroke..... seems to first happen as the bike gets warm a few minutes before the fan cuts in then when the fan is on it may do it a few times.....its never stalled when it does this - it just has a stutter.... its got a new plug (it did the same on the old plug) - all wire connectors seem ok and as I said earlier it does not do it when being ridden..... any thoughts? Quote Link to comment Share on other sites More sharing options...
the addict Posted April 16, 2016 Report Share Posted April 16, 2016 Might be a sign of the fuel pump giving up or muck in the fuel system/filter. Quote Link to comment Share on other sites More sharing options...
thall1 Posted April 16, 2016 Author Report Share Posted April 16, 2016 Umm I hope not!.....the pump/filter has been removed and the tank washed through....I ran it up earlier after posting the topic and it ran fine with no stutter at all!....very odd..... 1 Quote Link to comment Share on other sites More sharing options...
4stroke Posted April 16, 2016 Report Share Posted April 16, 2016 Probably of no use what so ever but my Tlr did a similar thing on tick over and it turned out to be a bent exhaust valve! Quote Link to comment Share on other sites More sharing options...
jimmyl Posted April 16, 2016 Report Share Posted April 16, 2016 I have had 3 4rts that do this and a friend has a couple that are similar -if its just a moment then \I think this may be just a normal quirk. If worse check the earth lead from coil to frame. They can corrode and you can add extra earth wire from fro coil to engine bolt. Quote Link to comment Share on other sites More sharing options...
nigel dabster Posted April 17, 2016 Report Share Posted April 17, 2016 new plug? Quote Link to comment Share on other sites More sharing options...
thall1 Posted April 17, 2016 Author Report Share Posted April 17, 2016 yes had a new plug.... Quote Link to comment Share on other sites More sharing options...
spen Posted April 17, 2016 Report Share Posted April 17, 2016 Bit of H20 in the fuel? Quote Link to comment Share on other sites More sharing options...
jonnyc21 Posted April 18, 2016 Report Share Posted April 18, 2016 l have seen grounding on the coil or water in the fuel do this. Best of luck. Quote Link to comment Share on other sites More sharing options...
dave_askham Posted April 20, 2016 Report Share Posted April 20, 2016 Mine does this if the air filter is dirty. give it a good clean or a new air filter and see if it cures the problem?? try the easy things first !!! Quote Link to comment Share on other sites More sharing options...
bbk Posted May 10, 2016 Report Share Posted May 10, 2016 I have an 06 mine hase just started doing tthe same. Just this last Sunday i think i might have just found out what it is , heading back to the house bike started to really loose power the more fuel i gave it the slower it went ,thought i was gonna have to push her up the mountain she was smelling hot as well not over heating just hot. After getting to the house i noticed ,the packing in muffler has come loose and sticking out the tail pipe hope this is my answer for my problem maybe yours to. This bike has been amazing ever since i took her out of the box. I plan on ordering a 300 RR for 2017 as soon as they start taking orders Quote Link to comment Share on other sites More sharing options...
duggan Posted May 11, 2016 Report Share Posted May 11, 2016 Check the pins in the rectifier connector, seen this a few times. Quote Link to comment Share on other sites More sharing options...
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