After some searching failed to show a solution to a problem like mine, I decided to bite the bullet and ask about it.
My ride is a 2005 Sportster 1200R. It has been rejetted for a Screaming Eagle "kit" by the PO. I have not changed anything besides maintenance items (tires, oil, plugs). It has 22k on it and is my "fun bike," and I use motorcycles for 90% of my transportation. I have used it for track days, and it garnered most of its miles (from 3500 to 20k) during a 8 month period when it was my only bike. During that time it was exposed to all manner of weather from sleet to rain to 15* commutes.
A few months ago it started having what I feel is a fuel issue. I had other bikes to commute with, and between field ops (Marine), family, and just plain laziness, I let it slide. It runs fine cold. Once warm it shows some hesitation during roll on, but nothing major. It's mileage held steady at around 50mpg. Power seems down, but that is just impression. The big issue is once I have her nice and warm and am in stop and go traffic. She idles fine, but on take off she sputters, coughs, and tries to stall. I can usually counter this by keeping her revved up to 2k rpm, and work through the sputtering to get a good rev up so I can get moving.
I am looking for solutions that may work. I have cleaned the air filter, plugs, and cleaned the carbs (see below for a note on this), as well as kept up on the scheduled maintenance (not looking forward to the 25k one). I have had the hint that it could be the "low speed" jet.
Note on my carb cleaning: While I am a maintenance guy and mechanically inclined, I am carb ignorant. I can take anything apart, clean it up and put it back together, but the exact workings of each part may elude me. I have done probably 30 carbs for bikes and none have been wrong yet, but that could be luck. Most of the time it is pretty obvious what is wrong with one. I still call myself a novice and helping others on their bikes advise them of such. So it is only fair that I question my own work as well.
Even if I am asked to redo some work, I want my baby back up to par. I have another track day on Sunday and while it is fun to abuse liter bikes on the tight course with my little CBR250R, I like doing it on the Sporty much better. It will be my last one for 3 years so I really want to take her and show the young guys that you can drag a knee on a 600# cruiser.
Can anyone help me out here?
My ride is a 2005 Sportster 1200R. It has been rejetted for a Screaming Eagle "kit" by the PO. I have not changed anything besides maintenance items (tires, oil, plugs). It has 22k on it and is my "fun bike," and I use motorcycles for 90% of my transportation. I have used it for track days, and it garnered most of its miles (from 3500 to 20k) during a 8 month period when it was my only bike. During that time it was exposed to all manner of weather from sleet to rain to 15* commutes.
A few months ago it started having what I feel is a fuel issue. I had other bikes to commute with, and between field ops (Marine), family, and just plain laziness, I let it slide. It runs fine cold. Once warm it shows some hesitation during roll on, but nothing major. It's mileage held steady at around 50mpg. Power seems down, but that is just impression. The big issue is once I have her nice and warm and am in stop and go traffic. She idles fine, but on take off she sputters, coughs, and tries to stall. I can usually counter this by keeping her revved up to 2k rpm, and work through the sputtering to get a good rev up so I can get moving.
I am looking for solutions that may work. I have cleaned the air filter, plugs, and cleaned the carbs (see below for a note on this), as well as kept up on the scheduled maintenance (not looking forward to the 25k one). I have had the hint that it could be the "low speed" jet.
Note on my carb cleaning: While I am a maintenance guy and mechanically inclined, I am carb ignorant. I can take anything apart, clean it up and put it back together, but the exact workings of each part may elude me. I have done probably 30 carbs for bikes and none have been wrong yet, but that could be luck. Most of the time it is pretty obvious what is wrong with one. I still call myself a novice and helping others on their bikes advise them of such. So it is only fair that I question my own work as well.
Even if I am asked to redo some work, I want my baby back up to par. I have another track day on Sunday and while it is fun to abuse liter bikes on the tight course with my little CBR250R, I like doing it on the Sporty much better. It will be my last one for 3 years so I really want to take her and show the young guys that you can drag a knee on a 600# cruiser.
Can anyone help me out here?
