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techtalk:ref:carb07 [2019/10/15 00:24]
hippysmack [Adjustable Main Jet (L76-87)]
techtalk:ref:carb07 [2021/08/09 01:32]
ixl2relax
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 \\ \\
  
-====== ​Extended ​Idle Speed Screw ======+====== Idle Speed Screw ====== 
 + 
 +**CVP Extended Idle Speed Screw**\\
 Below is a CVP stainless steel idle speed screw for Harley CV and Keihin butterfly style carburetors. \\ Below is a CVP stainless steel idle speed screw for Harley CV and Keihin butterfly style carburetors. \\
 With the extended thumbscrew, idle speed can be adjusted by hand. \\ With the extended thumbscrew, idle speed can be adjusted by hand. \\
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 |{{:​techtalk:​ref:​carb:​cv_carb_with_extended_idle_speed_screw_by_hippysmack.jpg?​direct&​300|}}| |{{:​techtalk:​ref:​carb:​cv_carb_with_extended_idle_speed_screw_by_hippysmack.jpg?​direct&​300|}}|
  
-====== ​Aftermarket ​Idle Mixture ​Screws and Mods ======+**Modding a Factory Idle Speed Screw**\\ 
 +You can stick a dime in the adjuster screw slot and braze it to the screw to make future adjustments by hand. \\ 
 +{{:​techtalk:​ref:​carb:​keihin_carb_1_by_ddddylan_-_annotated.jpg?​direct&​300|}} ((photo by DDDDylan of the XLFORUM, annotated by Hippysmack)) 
 + 
 + 
 +\\ 
 + 
 +====== Idle Mixture ​Screw - IMS - Aftermarket & Mods ======
 \\ \\
-===== EZ-Just ​Mixture Screws =====+**CVP EZ-Just ​IMS**\\
 The EZ-Just mixture screw (for L76-87 or 88-06 models) ((https://​cv-performance.com/​ez-just-mixture-screw-81-87-harley-keihin)) ) can be purchased with an extended screw head for hand tuning. \\ You can buy packing from CVP also in case yours has been damaged or is not functioning properly. \\ But, check your local regulations before changing this out to an aftermarket part. \\ You can also find, buy or barter for used parts. \\ ("​Please note: it is a violation of federal law to tamper with or disable any emission or noise control device. That is your PSA for the day"). ((XLForum member - chrishajer)) \\ The EZ-Just mixture screw (for L76-87 or 88-06 models) ((https://​cv-performance.com/​ez-just-mixture-screw-81-87-harley-keihin)) ) can be purchased with an extended screw head for hand tuning. \\ You can buy packing from CVP also in case yours has been damaged or is not functioning properly. \\ But, check your local regulations before changing this out to an aftermarket part. \\ You can also find, buy or barter for used parts. \\ ("​Please note: it is a violation of federal law to tamper with or disable any emission or noise control device. That is your PSA for the day"). ((XLForum member - chrishajer)) \\
  
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 {{:​techtalk:​ref:​carb:​ez_just_idle_mixture_screw_1_by_hippysmack.jpg?​direct&​300|}} ((photo by Hippysmack)) \\ {{:​techtalk:​ref:​carb:​ez_just_idle_mixture_screw_1_by_hippysmack.jpg?​direct&​300|}} ((photo by Hippysmack)) \\
  
-===== 88-06 =====+**CVP EZ-Just IMS Used on 1988-06 CV40 Carbs**
 This screw is billed as "​Easily tune and adjust your idle mixture without burning your hands or fumbling with a screwdriver."​ ((https://​cv-performance.com/​ez-just-mixture-screw)) \\ This screw is billed as "​Easily tune and adjust your idle mixture without burning your hands or fumbling with a screwdriver."​ ((https://​cv-performance.com/​ez-just-mixture-screw)) \\
 This is not entirely true as you have to get your hand between the exhaust and air cleaner. \\ This is not entirely true as you have to get your hand between the exhaust and air cleaner. \\
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 |{{:​techtalk:​ref:​carb:​ez-just_88-06_a-f_mixture_screw_1_by_hippysmack.jpg?​direct&​300|}} ((photo byHippysmack))| {{:​techtalk:​ref:​carb:​ez-just_88-06_a-f_mixture_screw_2_by_hippysmack.jpg?​direct&​300|}} ((photo byHippysmack))|{{:​techtalk:​ref:​carb:​ez-just_88-06_a-f_mixture_screw_3_by_hippysmack.jpg?​direct&​300|}} ((photo byHippysmack))| |{{:​techtalk:​ref:​carb:​ez-just_88-06_a-f_mixture_screw_1_by_hippysmack.jpg?​direct&​300|}} ((photo byHippysmack))| {{:​techtalk:​ref:​carb:​ez-just_88-06_a-f_mixture_screw_2_by_hippysmack.jpg?​direct&​300|}} ((photo byHippysmack))|{{:​techtalk:​ref:​carb:​ez-just_88-06_a-f_mixture_screw_3_by_hippysmack.jpg?​direct&​300|}} ((photo byHippysmack))|
  
-===== Idle Mixture Thumbscrew ​Mods =====+ 
 +**IMS Mods**\\
 Several mods to the thumbscrew have been done to make counting turns while turning the screw easier. \\ Several mods to the thumbscrew have been done to make counting turns while turning the screw easier. \\
  
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 |{{:​techtalk:​evo:​carb:​idle_mixture_screw_mod_by_folkie.jpg?​direct&​300|}}| |{{:​techtalk:​evo:​carb:​idle_mixture_screw_mod_by_folkie.jpg?​direct&​300|}}|
  
-===== Modding a Factory ​Mixture Screw =====+**Factory ​IMS - Modding**
  
 This was done to extend the factory idle mixture screw. \\ This was done to extend the factory idle mixture screw. \\
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 \\ \\
  
-===== Modding a Factory Idle Speed Screw ===== 
-You can stick a dime in the adjuster screw slot and braze it to the screw to make future adjustments by hand. \\ 
-{{:​techtalk:​ref:​carb:​keihin_carb_1_by_ddddylan_-_annotated.jpg?​direct&​300|}} ((photo by DDDDylan of the XLFORUM, annotated by Hippysmack)) 
 ====== Velocity Stack ====== ====== Velocity Stack ======
  
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 It requires a total of 2 gaskets (included) to install. ((photos by Hippysmack)) \\ It requires a total of 2 gaskets (included) to install. ((photos by Hippysmack)) \\
  
 +This is a "​V-Ductor"​ from CV Performance. ((https://​cv-performance.com/​v-ductor-installation)) \\
 |{{:​techtalk:​ref:​carb:​velocity_stack_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​carb:​velocity_stack_2_by_hippysmack.jpg?​direct&​300|}}| |{{:​techtalk:​ref:​carb:​velocity_stack_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​carb:​velocity_stack_2_by_hippysmack.jpg?​direct&​300|}}|
 +
 +  * Remove the air cleaner backing plate.
 +  * Place a gasket onto the backing plate, then the V-Ductor and another gasket (2 supplied in the kit).
 +  * The smaller end of the cone faces into the carb.
 +  * Install the new assembly onto the carb and torque to factory specs.
 +  * backing plate with as normal against the V-Ductor. Installation of your air box will vary depending upon the 
  
 |{{:​techtalk:​ref:​carb:​velocity_stack_3_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​carb:​velocity_stack_4_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​carb:​velocity_stack_5_by_hippysmack.jpg?​direct&​300|}}| |{{:​techtalk:​ref:​carb:​velocity_stack_3_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​carb:​velocity_stack_4_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​carb:​velocity_stack_5_by_hippysmack.jpg?​direct&​300|}}|