Harley Carb tuning
Harley Carb tuning
(OP)
I have a 03 sportster and a 03 roadking that I want to build some custom exhausts. Do anyone who how to tune the OEM carb for a custom exhaust?
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RE: Harley Carb tuning
For the Sportster, check out the Archives and FAQs at: www.Sportster.org.
Basically, the carb should be good for most exhaust modifications. When you change the air cleaner, however, you will want to richen the mixture substantially. The carb tuning is dependent on intake, exhaust, timing, ignition, etc. It would be difficult to tune for exhaust changes only, unless you did it on a dyno. Then, it's more trial-and-error than calculation.
Good luck!
RE: Harley Carb tuning
I would recommend starting with Dynojet's Thunderslide kit and following the directions.