I'm a new rider and bought a 2001 DRZ400e on Tuesday, Dec. 11th. I noticed on the first day that if I "goose" the throttle too fast from IDLE engine speed, the engine dies. Now, I'm talking about a QUICK, firm twist on the throttle. If I twist it at a more "normal" speed, there is sometimes a slight hesitation before rpms increase. Even after a good warm up, this still occurs. I've taken it back to the dealer---they took the carb off and inspected it and found no obvious problem. They suggested that a four-stroke simply won't build revs as fast as a two-stroke, and that twisting the throttle too fast dumps too much fuel too fast. But I find it hard to believe that it's normal for a brand-new engine to quit --- no matter how fast you twist the handle. Any ideas on what might be happening? I'd appreciate any thoughts/suggestions that you gurus out there can give me, and that I could pass on to my dealer's mechanic.