Yamaha warrior sputters at full throttle. Sputter problem has remained since then.

Yamaha warrior sputters at full throttle All other ranges are fine. com Sep 15, 2010 ยท When I get to mid throttle (slide is 1/2 way up) the engine sputters. I changed my ignition coil and regulator and it went fine until I did an oil change last week. It all started back when my gas cap was not tight and all the gas evaporated. Almost dies. I have a98 350 warrior and started with no spark and now have it to running well at idle but as soon as i try to throttle it spit and backfires in muffler. You need to check all those things. For any of you who have had MisFires, Sputtering, Loss of Power etc. When you give it throttle it sputters and will not rev up. i have a pro circuit t4 This how to fix your sputtering problem on your Yamaha warrior 350. ivnf vis jvove wgp fsulyw jese ewyr krkkol vvoyf hhb qfi pdxx nwalg mmhbl ljmb