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techtalk:evo:carb01f [2019/10/17 15:24] hippysmack [Repairing a Broken Enrichener Knob] |
techtalk:evo:carb01f [2024/01/02 21:16] (current) hippysmack |
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| ====== Repairing a Broken Enrichener Knob ====== | ====== Repairing a Broken Enrichener Knob ====== | ||
| - | The enrichener knob is plastic and can sometimes break. \\ | + | The enrichener knob is plastic and can sometimes break. \ |
| + | If you just want to swap to another style for looks, there is no set screw to remove it as it is molded onto the pull rod. \\ | ||
| + | So it'll either have to be broken or cut off. \\ | ||
| Several options can be had to replace the knob. It can be done without removing the carb from the bike. \\ | Several options can be had to replace the knob. It can be done without removing the carb from the bike. \\ | ||
| + | |||
| + | Any knob with a set screw will work as a replacement or you can find something like a large dice or mini Q-ball, drill a hole and epoxy it on. \\ | ||
| + | You can go to your local home improvement store and purchase a nice looking kitchen drawer pull knob. ((Simon of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/28235-e-z-choke-knob-removal-new-knob-install/page3?t=46782&page=3)) \\ | ||
| + | Enlarge the hole with a drill bit to rod and then glue it in place with epoxy. \\ | ||
| + | |||
| + | {{:techtalk:evo:carb:enrichener_knob_mod_by_jrogers329.jpg?direct&300|}} ((photo by jrogers329 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/30821-choke-knob#post1084456)) \\ | ||
| + | |||
| + | ====== Mooneyes Knob ====== | ||
| This one was done with a "Mooneyes" Deco Dash knob p/n SPC8425 $8.00. \\ | This one was done with a "Mooneyes" Deco Dash knob p/n SPC8425 $8.00. \\ | ||
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| The tools below were used for the replacement. \\ | The tools below were used for the replacement. \\ | ||
| - | {{:techtalk:evo:carb:mooneyes_deco_dash_knob_enrichenor_knob_1_by_johnny_wolf.jpg?direct&300|}} ((photo by Johnny Wolf of the XLFORUM http://xlforum.net/forums/showthread.php?t=46782)) | + | Before you remove the knob scribe the choke rod where it meets the knob with a nail. \\ |
| + | This is to make sure the new knob ends up in the same place when it's pushed all the way in. \\ | ||
| + | Next, a pair of metal shears were used to chip away at the plastic. Don't be in a hurry and don't tug, bend or pull on it. Just cut small pieces. \\ | ||
| + | It takes a while but it will come off. Make sure to wear eye protection since the plastic will fly all over the garage when cutting on it. | ||
| + | {{:techtalk:evo:carb:mooneyes_deco_dash_knob_enrichenor_knob_1_by_johnny_wolf.jpg?direct&300|}} ((photo by Johnny Wolf of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/28235-e-z-choke-knob-removal-new-knob-install?t=46782)) {{:techtalk:evo:carb:mooneyes_deco_dash_knob_enrichenor_knob_2_by_johnny_wolf.jpg?direct&300|}} ((photo by Johnny Wolf of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/28235-e-z-choke-knob-removal-new-knob-install?t=46782)) \\ | ||
| - | \\ | + | If the ID of the new knob is too small, you'll need to drill the hole out larger to go over the stud. \\ |
| + | Start with a small bit and work your way up with larger bits until it fits the rod. \\ | ||
| + | Note: Drilling into plastic creates heat which melts the ID larger than the drill bit. \\ | ||
| + | So using a bit exact the exact size of the rod may result in a hole that's too big. \\ | ||
| + | After drilling, it was found that the hole wasn't quite deep enough. \\ | ||
| + | So a drill bit was taped off to mark the correct depth to make and the knob was re-drilled until it met the tape line. \\ | ||
| + | Then the knob was installed on the rod with thread sealer (nail polish in this instance) and the set screw tightened up. \\ | ||
| + | {{:techtalk:evo:carb:mooneyes_deco_dash_knob_enrichenor_knob_3_by_johnny_wolf.jpg?direct&300|}} ((photo by Johnny Wolf of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/28235-e-z-choke-knob-removal-new-knob-install?t=46782)) {{:techtalk:evo:carb:mooneyes_deco_dash_knob_enrichenor_knob_4_by_johnny_wolf.jpg?direct&300|}} ((photo by Johnny Wolf of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/28235-e-z-choke-knob-removal-new-knob-install?t=46782)) {{:techtalk:evo:carb:mooneyes_deco_dash_knob_enrichenor_knob_5_by_johnny_wolf.jpg?direct&300|}} ((photo by Johnny Wolf of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/28235-e-z-choke-knob-removal-new-knob-install?t=46782)) \\ | ||
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