Cold weather sputtering

Anyone else have this problem?? it was 26 degrees this morning according to weather.com ...my bike ran like crap!! when i got into town (about 20 miles from home), my bike actually died at a stoplight. i played with the idle, which kept it from dying, but it just didn't sound happy. the last time i rode it was last Friday (about 40 degrees), and it ran just fine. 
3JB

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You're running too lean! I had the same problem upon delivery with my '05, but it sputtered at warmer temperatures, such as in the 50's, and was much worse when the weather turned even colder. I ended up turning the mixture screw out 2 full turns, now it runs perfect. In fact, the other night on my way home from work it was in the upper 20's (had to brush the frost off my seat!) and hardly a sputter from her. 
Honda sets these bikes up with really lean mixtures from the factory to meet emission standard at the sake of drivability. I guess for '05 they made them even more lean for stricter tolerances. Easy fix though... Hope it helps!!!

Denny
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The low speed (idle) circuit is what you are helping most with the fuel mixture adjustment (D-screw on bottom rear of the carb) and frequently a 'coughing' when accelerating from idle is symptomatic of a lean low speed circuit. If it is doing it above idle, I would suspect incorrect jet and needle settings. Since it appears you have an aftermarket filter in your sig pic, the mixture screw is easier to get at than someone with the OEM box and can generally be adjusted with the engine running. 
While every engine responds differently, I would adjust yours much the same as I would any other carbed engine: Begin by turning the screw in (clockwise) until the engine starts sputtering. Then, slowly back it out until engine runs smoothly. The engine will be running faster and, if excessive, you should adjust the idle speed [knurled knob] down some at this point. Now, continue opening the mixture screw until the engine gains no more speed then turn back in 1/4 turn. (On some engines this may be as much as two full turns.) At this point, adjust your idle speed back down to normal. To test your mixture setting, remember how much you change the setting from this point and start turning the mixture screw in again. If you have it set to optimum, the engine will start slowing within 1/8 turn of the original positioning. If not, just continue turning in until the speed begins to slow then back out 1/8 turn. Be sure your idle speed is adjusted where you normally run it. Just keep in mind you need 900 RPM+ to maintain adequate engine oiling and to prevent stalling which is generally just above a 'lope' if you don't have a tach.
Once you have fine tuned it to this point, it is doubtful that you will need to make adjustments again when warm weather returns.

Bill
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