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techtalk:ref:carb07 [2019/10/15 03:24] hippysmack [Velocity Stack] |
techtalk:ref:carb07 [2021/08/09 01:38] ixl2relax [Idle Mixture Screw - IMS - Aftermarket & Mods] |
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| - | ====== Extended Idle Speed Screw ====== | + | ====== Idle Speed Screw ====== |
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| + | **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 ====== | + | **Factory Idle Speed Screw - Modding**\\ |
| + | 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)) | ||
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| + | ====== Idle Mixture Screw - IMS - Aftermarket & Mods ====== | ||
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| - | ===== 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 ===== | + | |
| + | **Factory IMS - Modding**\\ | ||
| 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. \\ | ||
| - | |The aftermarket thumb screw head doesn't a slot for a screwdriver (which also serves as a visual for position). \\ A small hole drilled off center will give a visual position of the screw for adjustment later. ((photos by sifty of the XLFORUM http://xlforum.net/forums/showthread.php?t=1592463&page=48))|| | + | |The aftermarket thumb screw head doesn't have a slot for a screwdriver (which can serve for visual positioning). \\ A small hole drilled off center will give a visual position of the screw for adjustment later. ((photos by sifty of the XLFORUM http://xlforum.net/forums/showthread.php?t=1592463&page=48))|| |
| |{{:techtalk:evo:carb:idle_mixture_screw_3_by_sifty.jpg?direct&300|}}|{{:techtalk:evo:carb:idle_mixture_screw_4_by_sifty.jpg?direct&300|}}| | |{{:techtalk:evo:carb:idle_mixture_screw_3_by_sifty.jpg?direct&300|}}|{{:techtalk:evo:carb:idle_mixture_screw_4_by_sifty.jpg?direct&300|}}| | ||
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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 - Modded Head** |
| 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 ====== | ||
