NO
Can't do it. The engine and transmission cases are different from 2002 to 2007. You would have to buy a cassette kit or complete transmission to upgrade your 2002 to a 6 speed.
can you be more specific?
The 2002 Harley-Davidson Fat Boy is equipped with a 5-speed transmission. This setup allows for smooth shifting and a comfortable riding experience. The 5-speed transmission is standard for many Harley models of that era, providing a balance of performance and cruising capability.
The 2002 Harley-Davidson Softail models are equipped with a 1450cc V-twin engine. This engine size is part of the Evolution engine family, which was widely used in many Harley-Davidson motorcycles during that era. The 1450cc capacity translates to approximately 88 cubic inches.
Mercon V
The 2002 Harley-Davidson motorcycle transmission drain plug can be removed with a 9/16 socket. A five-point socket will work the best
The type used should be engraved into the automatic transmission fluid dipstick
The 2002 Harley Davidson Road King Classic is equipped with a 1450cc (88 cubic inch) V-twin engine. This engine is part of Harley's Twin Cam series, known for its performance and reliability. It produces approximately 65 horsepower and is designed for both cruising and long-distance riding.
http://www.harley-performance.com/harley-davidson-carburetor.html
http://www.harley-performance.com/harley-davidson-carburetor.html
2002
Walk to the right side of the bike. Look just behind the engine. It is just above the tranny.