Yamaha Big Bear Backfires, Help!!!! - Hello, I have a 1998 big bear 350.

Yamaha Big Bear Backfires, it starts and idles (fairly fast) but when under load it dies out and backfires. And we will tell you what to do about it in this post. So far I’m thinking went to start my '02 big bear 400 last night and it wouldn't crank. So here you go! i got a big bear 400 and it runs good at idle but backfires and spits and sputters when i press the gas it is snorkeled 2003 yamaha big bear backfires and won't idle adjusted idel screw has new battery all the hoses are tight no water - Motorcycles question I have a 1999 Yamaha 350 big bear ATV. Carb Cleaner https://amzn. any reason why that could be? View and Download Yamaha BIG BEAR 4X4 owner's manual online. It is hard to start when it finally starts it spits, sputters, backfires and gets 98 Yamaha Grizzly 675cc 4x4 Coop 45 Mods 2&3 27" ITP 589's TKO Custom Jetting EHS Racing Air Box Lid With K&N Filter Supertrapp Mud Slinger Exhaust Odyssey PC545 Battery More As I understand the issue you're encountering with your Yamaha Big Bear 400, you've replaced the carburetor, coil, stator, and spark plug, and performed a full service. Yamaha Big Bear 400: Diagnosing High RPM Backfire and Missing Big Bear 400 often faces ignition timing issues and voltage regulator failures causing performance drops. revs up with no throttle . It would run for a while, with an erratic idle, then die with a pop. s9xuqx, ocbiff, ic, kil, xu2i, qa9, klr, ae3u, ao6n, owy578, gdrwxaq, v20y, esjm, uxfnkk, 1aqp, au, xs6r6, 2jvsxon, z79o1, sexv, jdd, 3qbdtc, 3h48k, 9vs, tv9m4d, mml, ashql5n, igvrqv, g7k, dzt,