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techtalk:ih:carb01p [2019/10/12 15:01]
hippysmack [Keihin Butterfly Carb Identification]
techtalk:ih:carb01p [2019/10/20 16:05] (current)
hippysmack [27155-76A]
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 See the pics below for a visual confirmation of year model features. \\ See the pics below for a visual confirmation of year model features. \\
  
-{{:​techtalk:​ih:​carb:​keihin_butterfly_carb_id_3.jpg?​direct&​300|}} \\+{{:​techtalk:​ih:​carb:​keihin_butterfly_carb_id_3.jpg?​direct&​300|}} {{:​techtalk:​ih:​carb:​keihin_butterfly_27155-76_860d_.jpg?​direct&​300|}} \\
  
 {{:​techtalk:​ih:​carb:​keihin_butterfly_carb_id_2.jpg?​direct&​300|}} ​ {{:​techtalk:​ih:​carb:​keihin_butterfly_carb_id_1.jpg?​direct&​300|}} ​ \\ {{:​techtalk:​ih:​carb:​keihin_butterfly_carb_id_2.jpg?​direct&​300|}} ​ {{:​techtalk:​ih:​carb:​keihin_butterfly_carb_id_1.jpg?​direct&​300|}} ​ \\
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 ===== (B50A) ===== ===== (B50A) =====
 L1976 27153-76 Sportster '76 only' Keihin butterfly carb. \\ L1976 27153-76 Sportster '76 only' Keihin butterfly carb. \\
-Float bowl (27395-76). \\ +Float bowl (27359-76). \\ 
-Accelerator pump 27364-76. \\+Accelerator pump (27364-76), inside casting# (1-2). \\
 It has a solid choke, meaning that the choke plate (butterfly) has no spring action in the linkage. ((Dr Dick of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1035453)) \\ It has a solid choke, meaning that the choke plate (butterfly) has no spring action in the linkage. ((Dr Dick of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1035453)) \\
 You can begin to identify -76 only carb cause there is no plastic pieces on the choke shaft. \\ You can begin to identify -76 only carb cause there is no plastic pieces on the choke shaft. \\
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 1977-1978 ​ 27153-77 Sportster XLH, XLCH, XLT Keihin Butterfly carb. \\ 1977-1978 ​ 27153-77 Sportster XLH, XLCH, XLT Keihin Butterfly carb. \\
 Float bowl (27384-77). \\ Float bowl (27384-77). \\
-Accelerator pump (27364-76). \\+Accelerator pump (27364-76), inside casting# (1-2). \\
 {{:​techtalk:​ih:​carb:​keihin_butterfly_carb_1_by_maritimer.jpg?​direct&​300|}} ((photo by maritimer of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​postid=1920224)) {{:​techtalk:​ih:​carb:​keihin_butterfly_carb_2_by_maritimer.jpg?​direct&​300|}} ((photo by maritimer of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​postid=1920224)) \\ {{:​techtalk:​ih:​carb:​keihin_butterfly_carb_1_by_maritimer.jpg?​direct&​300|}} ((photo by maritimer of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​postid=1920224)) {{:​techtalk:​ih:​carb:​keihin_butterfly_carb_2_by_maritimer.jpg?​direct&​300|}} ((photo by maritimer of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​postid=1920224)) \\
  
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 Air Fuel Screw is on top, not buried under a cap. \\ Accelerator pump has check ball, not the rod. \\ Air Fuel Screw is on top, not buried under a cap. \\ Accelerator pump has check ball, not the rod. \\
 Low speed jet is covered with rubber plug and there is a hole between the low speed and main well. \\ Low speed jet is covered with rubber plug and there is a hole between the low speed and main well. \\
 +Float bowl: ((1970-1978 HD Electra Glide and Super Glide Parts Catalog pg 17)) \\ 
 +76-E77 (27359-76). \\ 
 +L77-78 (27359-76A). \\ 
 +Accelerator pump 76-78 (27364-76). ((1970-1978 HD Electra Glide and Super Glide Parts Catalog pg 17)) \\
  
 ===== (B28K) ===== ===== (B28K) =====
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 ===== 27029-86 ===== ===== 27029-86 =====
 +1988 FLT or FXR. 38mm venture. ((NH86XL883 of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1258235)) \\
 {{:​techtalk:​evo:​carb:​idle_mixture_screw_1_by_sifty.jpg?​direct&​300|}} ((photo by sifty of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1592463&​page=48)) ​ \\ {{:​techtalk:​evo:​carb:​idle_mixture_screw_1_by_sifty.jpg?​direct&​300|}} ((photo by sifty of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1592463&​page=48)) ​ \\
  
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 ====== Helpful Links ====== ====== Helpful Links ======
 **Video**: \\ **Video**: \\
-Here are some excellent videos of servicing the pre-CV Keihin Butterfly carbs:​((Used by permission - SportsterPavel ​at the XLForum - http://​xlforum.net/​forums/​showthread.php?​t=2055701))+Here are some excellent videos of servicing the pre-CV Keihin Butterfly carbs: ((Used by permission - SportsterPaul ​at the XLForum - http://​xlforum.net/​forums/​showthread.php?​t=2055701))
  
   * [[https://​youtu.be/​f_Ek37GEEN4|#​1 - Tips and tricks.]]\\   * [[https://​youtu.be/​f_Ek37GEEN4|#​1 - Tips and tricks.]]\\