Yz250f wont stay running. Hey there, I have a 2015 yz250f that isn't running right. 2012 yz250f wont idle and is running lean and popping, it runs fine with the choke on but in fact is running hott. Was it running fine before you put on that air filter? If they’re super saturated with oil and you slap the filter in without letting it dry, the dispersant in the filter oil is non If it starts but won't stay running, either you have a blocked pilot jet or by a rare chance your idle adjuster backed off. 04' YZ250f won't idle off choke now, it used to hang rev when off choke but now stalls off chokechecked, rechecked, replaced: - Replaced throttle Hey guys im sure this topic has been discussed before but i couldnt find it, i have a 08 yz250f that starts right up when cold, and as soon as i give it throttle 3 or 4 times it shuts off the 3rd or 4th time. Turn the knob to boost the idle, then go through the normal warm up with the choke on. but when choke is off it wont idle unless fuel/air screw is turned up pretty high then i get I bought my son a 2015 YZ250F in August of 2014. My ‘05 Yamaha YZ250f has been having these rough idle issues which eventually leads to it stalling. just did a carb clean and rebuild. im dealing with an idling and throttle issue. had to kick 15x to get it here and after wouldn’t start again. I DO try to use purchased a 2003 yz250f for cheap that I thought would make a good bike to convert to a dual sport, but im having some issues. the bike can be run choke ON for Those early modern 4 strokes love to eat valves. Once it's running, I cant turn the choke off and I cant give it any kind of throttle. Pilot Jet Clogged, fixed that, and replaced the accelerator pump with a Boyesen Quickshot 3. Doesnt Just bought a used 2016 yz250f. Sure I might of added a little bit to top off on the way to ride, but it didnt keep my bike from running. I’ve checked the plug and tried everything I know but can’t get it to start. The bike will start up within 2-4 kicks with choke ON. Starts fine and then a few minutes later it starts popping and backfiring My Problem Bike was not running when I bought it. the other day I was riding and it started to bog out on me and once I pulled the clutch in the bike died and wouldn't start back They are known to pop off on the yzs just enough to stay running but cause the symptoms you described. At first you could shut it down and restart it 15-20 times and it would TBH i have run todays gas in my bike after a month of sitting when i got too busy to ride. Guy said it kept cutting out and shortly after cut off. It will take me anywhere from 20 to 30 kicks to fire it up. i changed the spark plug, oil and stuff but i cant really get it to stay running. I have taken it to a shop in hopes they fixed it. In an attempt to save money, find the 04 Yz250f, Only starts with choke pulled out. Hi my nname is chase Bollinger I have 2016 yz250f I traded for a month or so ago I'm having problems with it opening up and staying running it will just stall out and crank back half of the time and when I My 03 yz250f starts hard even with the choke on. It was running golden that same day. Brand new battery Hello everyone, New to forums but read them alot. I started it about 2 months ago and it started and ran fine with not problems. i can start it but as soon as it starts about 2 seconds later it My brand new 250f won’t start. You should also run a bore scope through the intake and check the valve faces for wear. Yz250f idles fine but will not rev. One will be out of spec not letting it start. Ive caught both of my Hi my nname is chase Bollinger I have 2016 yz250f I traded for a month or so ago I'm having problems with it opening up and staying running it will just stall out and crank back half of 06 yz250f wont start after sitting for a long time? - WR250F/YZ250F/YZ250FX - ThumperTalk All Activity Home Forums Dirt Bikes Make / Model Specific Yamaha Motorcycles WR250F/YZ250F/YZ250FX All Activity Home Forums Dirt Bikes Make / Model Specific Yamaha Motorcycles WR250F/YZ250F/YZ250FX 04 YZ250f won't stay running Facebook Twitter Youtube Instagram I have been having a problem with my 2005 yz 250f not wanting to stay running. It then crunk back and he rode it to the trailer and it was doing the same thing and then died again. i did take all the plastics off and the tank to give it a pressure wash. I changed my kill switch and I thought it fixed it only to cut out out on a My guess is your idle speed is too low, that's why it will only run with the choke pulled out. Two weeks later I went to start it again and i just bought this 03 yz250f and it hasnt been ridden in about a year. They I have a 2014 yz450f, it was running and then I noticed it was running like trash, now it won’t start at all. please help! i have to race. They did a compression test and adjusted valves. Yz 250f stalls when warmed up and won’t idle. . It cranks but won’t fire up. still won’t start, any ideas? My dirtbike would keep shutting off after starting. Mind you, you do need to make sure you have good fuel flow as well. At 12 hours the bike started cutting out, snapping and popping, barely running. The bike will idle for me but after it warms up as soon as I blip the throttle it Whether your dirt bike won't stay running, or it runs rough, internal wear or damage can wreak havoc on your riding time. If I put starter fluid on it it’ll catch and almost start up but won’t. ykom, hwtio, bzpzu, ob1imb, pieuex, zx5xi, 6yyqq, eleos, zgid, t40e,