See also in the Sportsterpedia:

• Keihin Butterfly Carb Basic Information
• Rebuilding a Keihin Butterfly Carb
• Keihin Butterfly Carb Function and Tuning

^{1) 2)}

^{3) 4) 5)}

^{6) 7)}

Other numbers on body: (0695) and (F58A) (BH28) for 88-89 FLT, FXR and SOFTAIL models (except Cal.) ⁸⁾

^{9) 10) 11)}

Body casting (0565) and (F59B) for 88-89 FLT, FXR and SOFTAIL models (Cal. and Swiss models only) ¹²⁾

¹³⁾

Video:
Here are some excellent videos of servicing the pre-CV Keihin Butterfly carbs:¹⁴⁾

• #1 - Tips and tricks.
  
• #2 - Disassembly and cleaning.
  
• #3 - Assembly and testing.
  
• #4 - Testing and start-up.