techno2012 Posted April 1, 2012 Report Share Posted April 1, 2012 Hi I'm new to here so any help would be great. I recently bought a 1999 250 beta techno, it runs great for say 1st 20 mins then dies on me, if u rev it u can sumtimes catch it and keep it going but it will only do it again. If it does cut out you jst kick it goin again, goes 1st kick no bother. It's weird, it's more like electrical as if it was a fueling issue it would splutter a bit 1st I would of thought but not ruling out fuel yet. I had bit of water in air box so removed and cleaned that and removed carb and cleaned out n Blew jets threw. I read that fuel breather gets blocked but I blew mine threw and seems ok, people said it would be worse when tank was full and it seems to go longer without cutting out when tank is lower now but I'm not positive. Cheers Quote Link to comment Share on other sites More sharing options...
benwall Posted April 1, 2012 Report Share Posted April 1, 2012 The breather on the fuel tank lid can get damadged stoping fuel flow to the carb, check this Quote Link to comment Share on other sites More sharing options...
techno2012 Posted April 1, 2012 Author Report Share Posted April 1, 2012 Thanks benwall, will check this when I get a chance Quote Link to comment Share on other sites More sharing options...
techno2012 Posted April 1, 2012 Author Report Share Posted April 1, 2012 I checked breather and all seems ok, u can blow threw from 1 end to th other. When you leave it sitting fuel flows out carb drain, could th float heights need adjusting? Quote Link to comment Share on other sites More sharing options...
dadof2 Posted April 1, 2012 Report Share Posted April 1, 2012 I would temporarily remove the brather even if a bit of fuel splashes out. Check the fuel inlet (float) valve in the carb. Check the fuel tap and in tank strainer / filter. Ignition HT coil can occasionally give these symptoms. Cheers Quote Link to comment Share on other sites More sharing options...
techno2012 Posted September 2, 2012 Author Report Share Posted September 2, 2012 Hi guys, Update now. Bike running like a dream. I changed plug,ht coil and lead, cdi unit, removed kill switch and checked all wiring, new air filter and cleaned carb, was stil th same so left me with the last thing the stator so bit the bullet and sent it away, it was showing low readings they said, fitted bac on bike and it's not missed a beat yet. So if anyone's got the same sort of problems then defo worth getting your stator checked. Thanks for your help, no doubt il be back on here at somepoint. Cheers Quote Link to comment Share on other sites More sharing options...
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