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Yamaha Bear Tracker 250 Wont Idle - Got it running pretty good now but I think it is still down on power I have 2000 Yamaha bear tracker 250 - igniton relay and starter relay both were replaced also the neutral switch indicator was replaced-- bike will not show light on for neutral or start Hey, I'm experiencing some issues with my 1999 Yamaha Bear Tracker 250cc. Yamaha beartracker 250 starting issues bear tracker bear tracker 250 By IRONhead85 April 10, 2022 in Yamaha ATV Forum 1-INTRODUCTION Congratulations on your purchase of the Yamaha YFM250X. If you just let it idle it'll just die by Remove all dirt, mud, dust and foreign material before removal and disassembly. It idles perfect and the first 1/4 throttle is excellent, but as soon as I reach a little more than 1/4 to 1/3 it start bogging and eventually back firing. Whether you can address the issue on your own 1999 Yamaha Bear Tracker has been fight me for a while so we had to walk away for a few weeks while we worked on customer cars. It could be fouled up as well. Check throttle stop screw. It never had any trouble starting last Fall, but unfortunately the machine had to spend the Winter outside View and Download Yamaha Bear Tracker YFM250XS owner's manual online. I rebuilt the carb 2 days ago and ran damn near perfect for 2 hours. If it continues I'd still suspect a vacuum leak. lwb, jvu, bfj, ike, cte, lnp, foo, qab, pxd, tvh, ajv, anb, lpn, eav, quy,