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techtalk:evo:carb01 [2019/08/04 18:06] hippysmack [88-06] |
techtalk:evo:carb01 [2019/08/22 16:31] hippysmack [L76-87] |
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| ====== Aftermarket Idle Mixture Screw and Mods ====== | ====== Aftermarket Idle Mixture Screw and Mods ====== | ||
| - | ===== L76-87 ===== | ||
| - | An aftermarket kit (like E-Z-just for L76-87 models ((https://cv-performance.com/ez-just-mixture-screw-81-87-harley-keihin)) ) can be purchased with an extended screw head for hand tuning. \\ It comes with the "packing" 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 is easy to adjust the idle mixture by hand without a screwdriver. \\ |
| - | + | But, if you've gone 3 to 3-1/2 turns out, then change to the next biggest slow jet. ((Folkis of the XLFORUM http://xlforum.net/forums/showthread.php?t=183642)) \\ | |
| - | | Stock idle mixture screw ((photo by sifty of the XLFORUM http://xlforum.net/forums/showthread.php?t=1592463&page=48)) | Stock mixture screw (top) compared to the \\ E-Z-Just mixture screw (bottom) ((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|}}|{{:techtalk:evo:carb:idle_mixture_screw_2_by_sifty.jpg?direct&300|}}| | + | |
| - | + | ||
| - | |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))||| | + | |
| - | |{{: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_5_by_sifty.jpg?direct&300|}}| | + | |
| ===== 88-06 ===== | ===== 88-06 ===== | ||
| - | This replacement needle makes it so much easier to adjust the idle mixture. \\ | + | This replacement needle makes it so much easier to adjust the idle mixture. ((Folkie of the XLFORUM http://xlforum.net/forums/showthread.php?t=183642)) \\ |
| However, it is easier to count the turns by hand with this mod. \\ | However, it is easier to count the turns by hand with this mod. \\ | ||
| A spigot was added to the face of the knob. \\ | A spigot was added to the face of the knob. \\ | ||
| Line 464: | Line 458: | ||
| Then the side nearest the air cleaner (right of bike) was marked to index when to stop turning to the right. \\ | Then the side nearest the air cleaner (right of bike) was marked to index when to stop turning to the right. \\ | ||
| The needle was then removed, drilled and tapped (10 BA) for the spigot. \\ | The needle was then removed, drilled and tapped (10 BA) for the spigot. \\ | ||
| + | You can also drill hole through the knob from side to side and Superglue a screw in it. ((Hot Rod Sporty of the XLFORUM http://xlforum.net/forums/showthread.php?t=183642)) \\ | ||
| | Spigot installed to count the turns. ((photo by Folkie of the XLFORUM http://xlforum.net/forums/showthread.php?t=183642)) | | | Spigot installed to count the turns. ((photo by Folkie of the XLFORUM http://xlforum.net/forums/showthread.php?t=183642)) | | ||
| |{{:techtalk:evo:carb:idle_mixture_screw_mod_by_folkie.jpg?direct&300|}}| | |{{:techtalk:evo:carb:idle_mixture_screw_mod_by_folkie.jpg?direct&300|}}| | ||
| + | |||
| + | This was done to extend the factory idle mixture screw. \\ | ||
| + | A piece of 3/16" brass tubing and a knurled nut from the hardware store. \\ | ||
| + | |||
| + | | 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|}}| | ||
| + | |||
