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techtalk:ref:carb09 [2019/09/01 22:46]
hippysmack [Ironhead - Installing a Keihin CV Carb]
techtalk:ref:carb09 [2024/01/12 00:07] (current)
hippysmack
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       * [[:​techtalk:​evo:​carb01|Basic Carb Model Info]]       * [[:​techtalk:​evo:​carb01|Basic Carb Model Info]]
       * [[:​techtalk:​evo:​carb02|Keihin CV40 Carb Functions, Adjustments,​ Tuning]]       * [[:​techtalk:​evo:​carb02|Keihin CV40 Carb Functions, Adjustments,​ Tuning]]
-      * [[:​techtalk:​evo:​carb06|Keihin CV40 Carb - Rebuilding / Refreshing]]+      * [[:​techtalk:​evo:​carb01a|Rebuilding the Keihin CV40 Carb]]
  
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 The bike now runs pretty decently with a stable idle. There is a lot more mid-range punch. It's weak on the top end, though. \\ The bike now runs pretty decently with a stable idle. There is a lot more mid-range punch. It's weak on the top end, though. \\
 Here's a view from the rider'​s seat. Here's a view from the rider'​s seat.
-{{: techtalk:​ref:​carb:​ih_cv_carb_swap_17_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=636098)) ​+{{: techtalk:​ref:​carb:​ih_cv_carb_swap_17_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?​t=636098)) ​
  
 Remove the old air cleaner and carb. \\ Remove the old air cleaner and carb. \\
-{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_9_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=636098)) {{:​techtalk:​ref:​carb:​ih_cv_carb_swap_10_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=636098)) \\ +{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_9_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?t=636098)) {{:​techtalk:​ref:​carb:​ih_cv_carb_swap_10_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?t=636098)) \\
  
 ====== Intake Manifold to Carb Mount ====== ====== Intake Manifold to Carb Mount ======
 Three most common ways to mount a CV to an Ironhead intake: \\ Three most common ways to mount a CV to an Ironhead intake: \\
-A Mikuni metric adapter, a press on adapter or a non press adapter - (requires stock CV seal). ​ ((photos by GA_Ironhead of the XLFORUM ​http://​xlforum.net/​forums/showpost.php?p=2163034&​postcount=5)) \\+A Mikuni metric adapter, a press on adapter or a non press adapter - (requires stock CV seal). ​ ((photos by GA_Ironhead of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​81692-quick-relpy-need-carb-fitment?​postcount=5#​post1683898)) \\
 A press-on adapter is sold that press-fits on the carb spigot with JB Weld. \\ A press-on adapter is sold that press-fits on the carb spigot with JB Weld. \\
  
 {{:​techtalk:​ref:​carb:​metric_mikuni_adapter_by_ga_ironhead.jpg?​direct&​300|}} {{:​techtalk:​ref:​carb:​press-on_carb_adapter.jpg?​direct&​300|}} {{:​techtalk:​ref:​carb:​non_press_carb_adapter.jpg?​direct&​300|}} {{:​techtalk:​ref:​carb:​metric_mikuni_adapter_by_ga_ironhead.jpg?​direct&​300|}} {{:​techtalk:​ref:​carb:​press-on_carb_adapter.jpg?​direct&​300|}} {{:​techtalk:​ref:​carb:​non_press_carb_adapter.jpg?​direct&​300|}}
  
-{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_3_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=636098)) {{:​techtalk:​ref:​carb:​ih_cv_carb_swap_4_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=636098)) \\+{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_3_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?t=636098)) {{:​techtalk:​ref:​carb:​ih_cv_carb_swap_4_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?t=636098)) \\
  
 ====== Carb to Air Cleaner Mount ====== ====== Carb to Air Cleaner Mount ======
 The original XLCR intake manifold was used but with a rubberized flanged adapter to the carb. \\ The original XLCR intake manifold was used but with a rubberized flanged adapter to the carb. \\
 A Screaming Eagle / K&N air filter assembly was used for this carb swap. Here are some pics of mounting it to the carb. \\ A Screaming Eagle / K&N air filter assembly was used for this carb swap. Here are some pics of mounting it to the carb. \\
-{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_1_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=636098)) {{:​techtalk:​ref:​carb:​ih_cv_carb_swap_2_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=636098)) \\+{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_1_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?t=636098)) {{:​techtalk:​ref:​carb:​ih_cv_carb_swap_2_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?t=636098)) \\
  
 The air cleaner element was installed, connected up the fuel line, and throttle cable. \\ The air cleaner element was installed, connected up the fuel line, and throttle cable. \\
 (the return cable is not being used here because the pull spring is pretty stiff. If it were to stick, it can hit the kill button) \\ (the return cable is not being used here because the pull spring is pretty stiff. If it were to stick, it can hit the kill button) \\
-{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_14_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=636098)) {{:​techtalk:​ref:​carb:​ih_cv_carb_swap_15_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=636098)) \\{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_16_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=636098)) ​ +{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_14_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?t=636098)) {{:​techtalk:​ref:​carb:​ih_cv_carb_swap_15_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?t=636098)) \\{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_16_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?​t=636098)) ​
  
 ====== Installing the VOES (if applicable) ====== ====== Installing the VOES (if applicable) ======
- 
 This is not necessary, but here the VOES was attached to the new filter back plate. \\ This is not necessary, but here the VOES was attached to the new filter back plate. \\
-{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_5_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=636098)) {{:​techtalk:​ref:​carb:​ih_cv_carb_swap_6_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=636098)) \\+{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_5_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?t=636098)) {{:​techtalk:​ref:​carb:​ih_cv_carb_swap_6_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?t=636098)) \\
  
  
Line 49: Line 46:
 The VOES wiring reconnected. (one wire to ground, the other to the ignition (MSD) control unit for vacuum ignition retard). \\ The VOES wiring reconnected. (one wire to ground, the other to the ignition (MSD) control unit for vacuum ignition retard). \\
 An aluminum brace was fabricated to support the carb. \\ An aluminum brace was fabricated to support the carb. \\
-{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_11_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=636098)) {{:​techtalk:​ref:​carb:​ih_cv_carb_swap_12_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=636098)) \\{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_13_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=636098)) ​ +{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_11_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?t=636098)) {{:​techtalk:​ref:​carb:​ih_cv_carb_swap_12_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?t=636098)) \\{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_13_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?​t=636098)) ​
  
 ====== Leg Room ====== ====== Leg Room ======
- 
 These pics show the stock air filter protrusion from the gas tank. \\ These pics show the stock air filter protrusion from the gas tank. \\
-{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_7_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=636098)) {{:​techtalk:​ref:​carb:​ih_cv_carb_swap_8_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=636098)) \\+{{:​techtalk:​ref:​carb:​ih_cv_carb_swap_7_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?t=636098)) {{:​techtalk:​ref:​carb:​ih_cv_carb_swap_8_by_blight.jpg?​direct&​300|}} ((photo by BLIGHT of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​84301-40mm-cv-carb-swap-today?t=636098)) \\
  
 ====== Pics of Conversions ====== ====== Pics of Conversions ======
- +{{:​techtalk:​ref:​carb:​cv_on_an_ironhead_1_by_ga_ironhead.jpg?​direct&​300|}} ((photo by GA_Ironhead of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​81692-quick-relpy-need-carb-fitment#post1684786)) {{:​techtalk:​ref:​carb:​cv_on_an_ironhead_2_by_ga_ironhead.jpg?​direct&​300|}} ((photo by GA_Ironhead of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​81692-quick-relpy-need-carb-fitment#post1684786)) \\
-{{:​techtalk:​ref:​carb:​cv_on_an_ironhead_1_by_ga_ironhead.jpg?​direct&​300|}} ((photo by GA_Ironhead of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=2164808#post2164808)) {{:​techtalk:​ref:​carb:​cv_on_an_ironhead_2_by_ga_ironhead.jpg?​direct&​300|}} ((photo by GA_Ironhead of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=2164808#post2164808)) \\+
  
 \\ \\