Look in the owners manual.
The correct air pressure for your 2003 Road King standard tire is 18 pounds. The tire air pressure is dependent upon the type of tire.
40 lbs front and rear
Typically the air pressure for a road king or touring bike is 40 PSI look on the tire itself and it will give a recommended tie pressure. Ride Safe
Perhaps when the word "Harley" is spelled correctly - the answer may be provided.
My research shows the 2009 Harley Road King produces 80 BHP.
No
2009
Everybody prefers their own weight, somewhere between 32 and 40, but I prefer 36, front and back
King of Dirt - 2009 Hit the Road Jack 4-2 was released on: USA: 20 July 2012
38 front and 44 rear
I don't think there really is a correct size because the tires vary.
72 inches