Dtm1990

I only rode it for about 10 miles to see if it was causing the problem.. Also it's done 10000km since February this year

Sorry late reply I rode my bike without regulator connected and it still has a problem with electronics. Also I have 4 days off next week and will keep adjusting my carb until it gets better if it does not I will get an new carb Another thing I can't remember if I mentioned is that a few weeks before I was getting the fuel problems was that my bike would backfire a few times when riding but that has now stopped.

Having my hand over intake the engine slowed until it cut out ao dont think theres an air leak. Also when I removed the regulator and reconnected my voltmeter on dash is not flickering up and down anymore may just ride it for a week or so and see if it has sorted it out the volt meter now sits at 9 volts in stead of up and down I'm gonna have to get a multimeter. Regulator is in 30 quid http://www.lexmoto.co.uk/part/REGR055.php?model=KS125-24 Carb is also only 30 quid http://www.lexmoto.co.uk/part/CRB059.php

Could be totally ignored the fact that the fuel tank could have crap in it On a side note I had to replace fuel and vacuum hoses as vacuum hose to fuel pump had a slight tear in it so I replaced both but still made no difference to any performance

I stripped my bike checked all electrical connections by connecting them one at a time and my revs go up when I disconnect the regulator. When I reconnected the regulator I disconnected everything one at a time and noticed revs increasing when.i disconnect headlights. On checking cables for headlights they all seem perfect condition. Am I right in thinking regulator is faulty if it is causing the electrical problem. Coudlnt get carb cleaner to check for air leaks so I just put hand over the air box intake and couldn't hear or feel it sucking air from any where inbetween air box and engine so do t think there's an air leak. May just buy a new regulator and carb from lexmoto.co.uk website or from cmpo as they come ready to just plug and play basically no setup needed.

Rider555 I am near skegness lincolnshire I will have to look at my bike on Monday as I'm working all day Sunday Will keep you posted if I find anything that could be problem

Thanks for responses. I have had the carb off myself and everything seems ok throttle cable isn't sticking on either cable where it splits Battery terminals are nice and tight.. Could a problem with my electronics be affecting my revs and causing it to cut out while riding as both problems seem to happen in sync with each other voltmeter start flickering then 30-60 seconds later my revs go down and engine dies Also today I noticed while riding if I don't go over 45 50 mph and run with half choke I have no problems with anything. And when i start bike cold it struggles to idle till it is warm (which take a good 5 to 10 minutes ) then idles at about 4000 5000 rpm I have tried adjusting it but it goes from one extreme to another high revs when warn to not being idle just from turning idle screw slightly I mean just enough to see idle screw start turning. I'm going to take all panels off my bike so it is just frame engine and wires and check all wires and connectors cleaning them as I check see if that helps. I don't have multimeter yet need to find someone who has one or wait till payday to buy one.

Hi, I know the basics about bikes but I have a problem with my bike and cannot figure out the problem and was hoping someone here could help out.. I have a lexmoto xtrs125cc which I am the first owner it is just over a year old and up until about 2 weeks ago it was running fine. Basically when I am riding my bike is fine until I get to 5th gear it will run fine for a mile or two, but then it will lose revs from about 10000 to 7000 then totally cuts out unless I close the choke and open and close the throttle rapidly when your doing 60mph down a busy road things get a bit hairy. Especially when my speed rapidly goes down also.. I have recently taken it to a garage to get them to clean and reset my carb as I thought that was the problem. The mechanic said he had cleaned the carb and the pilot jet was slightly blocked which he has sorted out. But it has not fixed the problem. Also when I get between 6000 and 10000 rpm my volt/battery meter flickers up to max and down to zero Any way these two things are related? Anyone have any ideas? The bike has been serviced regularly. Had a new rear tyre and brake pads