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techtalk:ref:carb07 [2021/08/09 19:50]
ixl2relax [Needle & Emulsion Tube]
techtalk:ref:carb07 [2024/01/11 23:28]
hippysmack
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 Changes in the needle and emulsion tubes from aftermarket vendors may modify the (stock/oem) AFR from just off idle thru wide-open throttle. The length and size of the needle as it moves thru the needle jet along with the size and placement of the holes in the emulsion tube, will determine the air-fuel ratio of the fuel. Along with the other operating parts of the carb, they affect how well the engine operates under each varying condition. Changes in the needle and emulsion tubes from aftermarket vendors may modify the (stock/oem) AFR from just off idle thru wide-open throttle. The length and size of the needle as it moves thru the needle jet along with the size and placement of the holes in the emulsion tube, will determine the air-fuel ratio of the fuel. Along with the other operating parts of the carb, they affect how well the engine operates under each varying condition.
  
-CV Performance offers two aftermarket needles, Velocity & N65, and one emulsion tube, Velocity. The N65 is designed as an equivalent alternative to the Keihin N65C needle, which HD & Keihin have stopped producing. The Velocity Needle & Velocity Emulsion tube are designed to provide a different AFR.+CV Performance offers two aftermarket needles, Velocity & N65, and one emulsion tube, Velocity. The CVP N65 is designed as an equivalent alternative to the Keihin N65C needle, which HD & Keihin have stopped producing. The Velocity Needle & Velocity Emulsion tube are designed to provide a different AFR.
  
 Using unknown parts or parts designed to radically alter the carb operation to favor one specific enhancement will often complicate or degrade the overall smooth operation of the carb. Using unknown parts or parts designed to radically alter the carb operation to favor one specific enhancement will often complicate or degrade the overall smooth operation of the carb.
  
-{{:​techtalk:​ref:​carb:​cvp-partsforcv40-1.jpg?​600|}} ((pics from BestCoastXL at http://​xlforum.net/​forums/showthread.php?t=2079965 - Annotated by IXL2Relax))+{{:​techtalk:​ref:​carb:​cvp-partsforcv40-1.jpg?​600|}} ((pics from BestCoastXL at https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-intake-and-exhaust/​sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/​202758-should-i-buy-carb-parts-from-amazon-rather-than-cv-performance-no-you-should-not?t=2079965 - Annotated by IXL2Relax))
  
  
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 |Comparison to OEM. ((photo by Hippysmack))| ​ As installed on bottom of carb. ((photos by Hippysmack)) ​ || |Comparison to OEM. ((photo by Hippysmack))| ​ As installed on bottom of carb. ((photos by Hippysmack)) ​ ||
 |{{:​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))|
 +
 +
 +**CVP Easy-Just IMS - Modding**\\
 +
 +From RandallM of the XLForum((Post#​80 - http://​xlforum.net/​forums/​showthread.php?​t=2081062)) - Here is how I indexed my screw. I filed some small flats on a small nail, and JB Welded it in the slot. I left the small end sticking out a bit so I can feel both ends.
 +
 +{{techtalk:​ref:​carb:​cvp-easyjust-ims-mod6.jpg?​direct&​300|}}
  
  
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 |  Factory idle mixture screw extended. ((photos by tchuck of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=183642)) ​ || |  Factory idle mixture screw extended. ((photos by tchuck of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=183642)) ​ ||
 |{{:​techtalk:​evo:​carb:​idle_mixture_screw_mod_2_by_tchuck.jpg?​direct&​300|}}|{{:​techtalk:​evo:​carb:​idle_mixture_screw_mod_3_by_tchuck.jpg?​direct&​300|}}| |{{:​techtalk:​evo:​carb:​idle_mixture_screw_mod_2_by_tchuck.jpg?​direct&​300|}}|{{:​techtalk:​evo:​carb:​idle_mixture_screw_mod_3_by_tchuck.jpg?​direct&​300|}}|
 +
  
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 "​Bolt-on performance that installs in minutes"​ although no performance enhancements have been found while using them. \\ "​Bolt-on performance that installs in minutes"​ although no performance enhancements have been found while using them. \\
 Aluminum type velocity stacks like the "​V-Ductor"​ from CV Performance have been used and tested to find no HP gains from them. Aluminum type velocity stacks like the "​V-Ductor"​ from CV Performance have been used and tested to find no HP gains from them.
-Some may still cite 'peace of mind' and there is no downside to using it other than the price.+Some may still cite 'peace of mind' and there is no downside to using it other than the price. ​\\
 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)) \\