Differences
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techtalk:ref:carb01j [2024/01/10 18:39] hippysmack |
techtalk:ref:carb01j [2024/01/10 21:16] (current) hippysmack |
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| ====== Air Cleaner ====== | ====== Air Cleaner ====== | ||
| The best way to go is buy the Mikuni with the air cleaner. This is sold in kit form and without a doubt is the easiest way to attach a Mikuni. \\ | The best way to go is buy the Mikuni with the air cleaner. This is sold in kit form and without a doubt is the easiest way to attach a Mikuni. \\ | ||
| - | Unless you have the air cleaner backing plate with the deep indention, this thing is going to stick out like a bull with an erection. ((piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=765846&page=4)) \\ | + | Unless you have the air cleaner backing plate with the deep indention, this thing is going to stick out like a bull with an erection. ((piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/93137-mikuni-vm38-success-story/page4?t=765846&page=4)) \\ |
| - | The Jerry Branch Flowmetrics kit (bought in 1973) came with the carb, air cleaner assembly (original hamcan cover used), replacement manifold and the rubber hose connector. ((piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=765846&page=3)) \\ | + | The Jerry Branch Flowmetrics kit (bought in 1973) came with the carb, air cleaner assembly (original hamcan cover used), replacement manifold and the rubber hose connector. ((piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/93137-mikuni-vm38-success-story/page3?t=765846&page=3)) \\ |
| The Branch steel air cleaner backing plate clamps to the inlet mouth of the carb and again you can see that in the pic. \\ | The Branch steel air cleaner backing plate clamps to the inlet mouth of the carb and again you can see that in the pic. \\ | ||
| In general, a standard metal backing plate off another brand of carb will not work without some extensive modification so that it can be attached to a Mikuni. \\ | In general, a standard metal backing plate off another brand of carb will not work without some extensive modification so that it can be attached to a Mikuni. \\ | ||
| Line 72: | Line 72: | ||
| This had a deep recess that put the air cleaner assembly further back toward the engine. See the pic below of the plate's backside showing the recess. \\ | This had a deep recess that put the air cleaner assembly further back toward the engine. See the pic below of the plate's backside showing the recess. \\ | ||
| Mounting the VM carb is much easier with the Branch Flowmetrics backing plate, although they are not the easiest things to find. \\ | Mounting the VM carb is much easier with the Branch Flowmetrics backing plate, although they are not the easiest things to find. \\ | ||
| - | What the Branch gives up at the manifold end it saves at the air filter end if you use their backing plate. ((jebbesen of the XLFORUM http://xlforum.net/forums/showthread.php?t=1814834)) \\ | + | What the Branch gives up at the manifold end it saves at the air filter end if you use their backing plate. ((jebbesen of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/169173-mikuni-sticks-out-too-far?t=1814834)) \\ |
| It's dished back around the carb vs the Harley backing plate that is flatter. \\ | It's dished back around the carb vs the Harley backing plate that is flatter. \\ | ||
| It also doesn't force the carb to stick out quite so far as the newer ones do. \\ | It also doesn't force the carb to stick out quite so far as the newer ones do. \\ | ||
| - | {{:techtalk:ref:carb:vm-38_with_branch_backing_plate_1_by_doodah_man.jpg?direct&350|}} ((photo by doodah man of the XLFORUM http://xlforum.net/forums/showthread.php?t=1535927)) {{:techtalk:ref:carb:vm-38_with_branch_backing_plate_2_by_doodah_man.jpg?direct&300|}} ((photo by doodah man of the XLFORUM http://xlforum.net/forums/showthread.php?t=1535927)) {{:techtalk:ref:carb:vm-38_with_branch_backing_plate_by_piniongear.jpg?direct&300|}} ((photo by piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=765846&page=3)) \\ | + | {{:techtalk:ref:carb:vm-38_with_branch_backing_plate_1_by_doodah_man.jpg?direct&350|}} ((photo by doodah man of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/141752-mikuni-38-vm-air-cleaner?t=1535927)) {{:techtalk:ref:carb:vm-38_with_branch_backing_plate_2_by_doodah_man.jpg?direct&300|}} ((photo by doodah man of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/141752-mikuni-38-vm-air-cleaner?t=1535927)) {{:techtalk:ref:carb:vm-38_with_branch_backing_plate_by_piniongear.jpg?direct&300|}} ((photo by piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/93137-mikuni-vm38-success-story/page3?t=765846&page=3)) \\ |
| - | {{:techtalk:ref:carb:mounting_vm-38_pic_1_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1576003http://xlforum.net/forums/showthread.php?t=1576003)) {{:techtalk:ref:carb:mounting_vm-38_pic_5_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1576003http://xlforum.net/forums/showthread.php?t=1576003)) {{:techtalk:ref:carb:mounting_vm-38_pic_6_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1576003http://xlforum.net/forums/showthread.php?t=1576003)) \\ | + | {{:techtalk:ref:carb:mounting_vm-38_pic_1_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/145196-i-love-my-mikuni-vm38-9-because?t=1576003http://xlforum.net/forums/showthread.php?t=1576003)) {{:techtalk:ref:carb:mounting_vm-38_pic_5_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/145196-i-love-my-mikuni-vm38-9-because?t=1576003http://xlforum.net/forums/showthread.php?t=1576003)) {{:techtalk:ref:carb:mounting_vm-38_pic_6_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/145196-i-love-my-mikuni-vm38-9-because?t=1576003http://xlforum.net/forums/showthread.php?t=1576003)) \\ |
| The parts that hold the backing plate to the carb, you will probably have to make from scrap metal. \\ | The parts that hold the backing plate to the carb, you will probably have to make from scrap metal. \\ | ||
| Line 85: | Line 85: | ||
| {{:techtalk:ref:carb:vm-38_project_1_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM)) \\ | {{:techtalk:ref:carb:vm-38_project_1_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM)) \\ | ||
| - | {{:techtalk:ref:carb:homemade_mikuni_vm_mount_2_by_doodah_man.jpg?direct&250|}} ((photo by doodah man of the XLFORUM http://xlforum.net/forums/showthread.php?t=2065863)) {{:techtalk:ref:carb:homemade_mikuni_vm_mount_3_by_doodah_man.jpg?direct&250|}} ((photo by doodah man of the XLFORUM http://xlforum.net/forums/showthread.php?t=2065863)) {{:techtalk:ref:carb:vm-38_project_23_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM)) \\ | + | {{:techtalk:ref:carb:homemade_mikuni_vm_mount_2_by_doodah_man.jpg?direct&250|}} ((photo by doodah man of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/192812-mikuni-to-branch-back-plate?t=2065863)) {{:techtalk:ref:carb:homemade_mikuni_vm_mount_3_by_doodah_man.jpg?direct&250|}} ((photo by doodah man of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/192812-mikuni-to-branch-back-plate?t=2065863)) {{:techtalk:ref:carb:vm-38_project_23_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM)) \\ |
| - | You'll also need a carb brace. That is a very important thing to have attached. ((piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=786899&page=2)) \\ | + | You'll also need a carb brace. That is a very important thing to have attached. ((piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/94732-38mm-vm-mikuni-tuning-recommendations/page2?t=786899&page=2)) \\ |
| The weight of the carb and air cleaner hanging out there will soon lead to more manifold leaks. Having a brace is the only way to prevent this from occurring. \\ | The weight of the carb and air cleaner hanging out there will soon lead to more manifold leaks. Having a brace is the only way to prevent this from occurring. \\ | ||
| The angle was slightly modified on this one to fit. \\ | The angle was slightly modified on this one to fit. \\ | ||
| - | {{:techtalk:ref:carb:mounting_vm-38_pic_8_by_ironmick.jpg?direct&400|}} ((photo by IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1576003)) {{:techtalk:ref:carb:vm-38_project_16_by_ironmick.jpg?direct&250|}} ((photo by IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1567528&page=2)) \\ | + | {{:techtalk:ref:carb:mounting_vm-38_pic_8_by_ironmick.jpg?direct&400|}} ((photo by IronMick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/145196-i-love-my-mikuni-vm38-9-because?t=1576003)) {{:techtalk:ref:carb:vm-38_project_16_by_ironmick.jpg?direct&250|}} ((photo by IronMick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/144559-first-startup-w-mikuni-vm38-9/page2?t=1567528&page=2)) \\ |
| - | {{:techtalk:ref:carb:branch_backing_plate_1_by_simeli.jpg?direct&300|}} ((photo by simeli of the XLFORUM http://xlforum.net/forums/showthread.php?t=1551427)) {{:techtalk:ref:carb:branch_backing_plate_2_by_simeli.jpg?direct&300|}} ((photo by simeli of the XLFORUM http://xlforum.net/forums/showthread.php?t=1551427)) {{:techtalk:ref:carb:vm-38_pic_5_by_piniongear.jpg?direct&300|}} ((photo by piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=1206745&page=2)) \\ | + | {{:techtalk:ref:carb:branch_backing_plate_1_by_simeli.jpg?direct&300|}} ((photo by simeli of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/143135-branch-flowmetrics-a-c-backplates?t=1551427)) {{:techtalk:ref:carb:branch_backing_plate_2_by_simeli.jpg?direct&300|}} ((photo by simeli of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/143135-branch-flowmetrics-a-c-backplates?t=1551427)) {{:techtalk:ref:carb:vm-38_pic_5_by_piniongear.jpg?direct&300|}} ((photo by piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/122578-mikuni-vm38-3-jets/page2?t=1206745&page=2)) \\ |
| Or you can make your own bracket out of 1/8"x3/4" steel or aluminum, bent and drilled for a hole to bolt it down by the bottom of the lifters. \\ | Or you can make your own bracket out of 1/8"x3/4" steel or aluminum, bent and drilled for a hole to bolt it down by the bottom of the lifters. \\ | ||
| Line 99: | Line 99: | ||
| For the bottom of the carb bracket you can do no better than using the 'studded' lifter base bolt. \\ | For the bottom of the carb bracket you can do no better than using the 'studded' lifter base bolt. \\ | ||
| You can make the carb bracket as a simple item or make it more complex if that suits you. Below is a simple solution. \\ | You can make the carb bracket as a simple item or make it more complex if that suits you. Below is a simple solution. \\ | ||
| - | {{:techtalk:ref:carb:brace_for_mikuni_1_by_piniongear.jpg?direct&300|}} ((photo by piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=1618500&page=2)) {{:techtalk:ref:carb:brace_for_mikuni_2_by_piniongear.jpg?direct&350|}} ((photo by piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=1618500&page=2)) \\ | + | {{:techtalk:ref:carb:brace_for_mikuni_1_by_piniongear.jpg?direct&300|}} ((photo by piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/149190-new-mikuni-vm38-9/page2?t=1618500&page=2)) {{:techtalk:ref:carb:brace_for_mikuni_2_by_piniongear.jpg?direct&350|}} ((photo by piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/149190-new-mikuni-vm38-9/page2?t=1618500&page=2)) \\ |
| ====== Homemade Mounts ====== | ====== Homemade Mounts ====== | ||
| The manifold is installed first without the carb. \\ | The manifold is installed first without the carb. \\ | ||
| Line 108: | Line 109: | ||
| The mouth of the carb is bell shaped. Below is a sketch of the shape of the carb looking down on it. \\ | The mouth of the carb is bell shaped. Below is a sketch of the shape of the carb looking down on it. \\ | ||
| - | {{:techtalk:ref:carb:vm-38_drawing_by_piniongear.jpg?direct&300|}} ((drawing by piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=765846&page=3)) \\ | + | {{:techtalk:ref:carb:vm-38_drawing_by_piniongear.jpg?direct&300|}} ((drawing by piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/93137-mikuni-vm38-success-story/page3?t=765846&page=3)) \\ |
| - | | Homemade backing plate made from an aluminum plate with a V-twin air cleaner. ((photo by piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=765846&page=7)) ((photo by piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=786899)) ((photo by piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=1357783&page=5)) ||| | + | | Homemade backing plate made from an aluminum plate with a V-twin air cleaner. ((photo by piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/93137-mikuni-vm38-success-story/page7?t=765846&page=7)) ((photo by piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/94732-38mm-vm-mikuni-tuning-recommendations?t=786899)) ((photo by piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/129648-mikuni-38mm/page5?t=1357783&page=5)) ||| |
| |{{:techtalk:ref:carb:vm-38_pic_2_by_piniongear.jpg?direct&300|}}|{{:techtalk:ref:carb:vm-38_pic_3_by_piniongear.jpg?direct&250|}}|{{:techtalk:ref:carb:vm-38_pic_4_by_piniongear.jpg?direct&250|}}| | |{{:techtalk:ref:carb:vm-38_pic_2_by_piniongear.jpg?direct&300|}}|{{:techtalk:ref:carb:vm-38_pic_3_by_piniongear.jpg?direct&250|}}|{{:techtalk:ref:carb:vm-38_pic_4_by_piniongear.jpg?direct&250|}}| | ||
| Line 117: | Line 118: | ||
| This was originally an old school VW filter modified to fit. \\ | This was originally an old school VW filter modified to fit. \\ | ||
| - | {{:techtalk:ref:carb:homemade_vm-38_backing_plate_mod_7_by_t-dubya.jpg?direct&300|}} ((photo by T-Dubya of the XLFORUM http://xlforum.net/forums/showthread.php?t=1286437&page=5)) {{:techtalk:ref:carb:homemade_vm-38_backing_plate_mod_8_by_t-dubya.jpg?direct&300|}} ((photo by T-Dubya of the XLFORUM http://xlforum.net/forums/showthread.php?t=1286437&page=5)) \\ | + | {{:techtalk:ref:carb:homemade_vm-38_backing_plate_mod_7_by_t-dubya.jpg?direct&300|}} ((photo by T-Dubya of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/126559-best-carb-for-kick-only-72-xlch/page5?t=1286437&page=5)) {{:techtalk:ref:carb:homemade_vm-38_backing_plate_mod_8_by_t-dubya.jpg?direct&300|}} ((photo by T-Dubya of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/126559-best-carb-for-kick-only-72-xlch/page5?t=1286437&page=5)) \\ |
| - | {{:techtalk:ref:carb:homemade_vm-38_backing_plate_mod_1_by_t-dubya.jpg?direct&300|}} ((photo by T-Dubya of the XLFORUM http://xlforum.net/forums/showthread.php?t=1286437&page=5)) {{:techtalk:ref:carb:homemade_vm-38_backing_plate_mod_2_by_t-dubya.jpg?direct&300|}} ((photo by T-Dubya of the XLFORUM http://xlforum.net/forums/showthread.php?t=1286437&page=5)){{:techtalk:ref:carb:homemade_vm-38_backing_plate_mod_3_by_t-dubya.jpg?direct&300|}} ((photo by T-Dubya of the XLFORUM http://xlforum.net/forums/showthread.php?t=1286437&page=5)) \\ | + | {{:techtalk:ref:carb:homemade_vm-38_backing_plate_mod_1_by_t-dubya.jpg?direct&300|}} ((photo by T-Dubya of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/126559-best-carb-for-kick-only-72-xlch/page5?t=1286437&page=5)) {{:techtalk:ref:carb:homemade_vm-38_backing_plate_mod_2_by_t-dubya.jpg?direct&300|}} ((photo by T-Dubya of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/126559-best-carb-for-kick-only-72-xlch/page5?t=1286437&page=5)){{:techtalk:ref:carb:homemade_vm-38_backing_plate_mod_3_by_t-dubya.jpg?direct&300|}} ((photo by T-Dubya of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/126559-best-carb-for-kick-only-72-xlch/page5?t=1286437&page=5)) \\ |
| - | {{:techtalk:ref:carb:homemade_vm-38_backing_plate_mod_4_by_t-dubya.jpg?direct&300|}} ((photo by T-Dubya of the XLFORUM http://xlforum.net/forums/showthread.php?t=1286437&page=5)) {{:techtalk:ref:carb:homemade_vm-38_backing_plate_mod_5_by_t-dubya.jpg?direct&300|}} ((photo by T-Dubya of the XLFORUM http://xlforum.net/forums/showthread.php?t=1286437&page=5)){{:techtalk:ref:carb:homemade_vm-38_backing_plate_mod_6_by_t-dubya.jpg?direct&300|}} ((photo by T-Dubya of the XLFORUM http://xlforum.net/forums/showthread.php?t=1286437&page=5)) \\ | + | {{:techtalk:ref:carb:homemade_vm-38_backing_plate_mod_4_by_t-dubya.jpg?direct&300|}} ((photo by T-Dubya of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/126559-best-carb-for-kick-only-72-xlch/page5?t=1286437&page=5)) {{:techtalk:ref:carb:homemade_vm-38_backing_plate_mod_5_by_t-dubya.jpg?direct&300|}} ((photo by T-Dubya of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/126559-best-carb-for-kick-only-72-xlch/page5?t=1286437&page=5)){{:techtalk:ref:carb:homemade_vm-38_backing_plate_mod_6_by_t-dubya.jpg?direct&300|}} ((photo by T-Dubya of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/126559-best-carb-for-kick-only-72-xlch/page5?t=1286437&page=5)) \\ |
| ====== Throttle Cable ====== | ====== Throttle Cable ====== | ||
| Line 132: | Line 133: | ||
| Click on a pic to enlarge: \\ | Click on a pic to enlarge: \\ | ||
| - | {{:techtalk:ref:carb:vm38-9_throttle_cable_specs_by_ironmick_-_shrunken_sized.jpg?direct&400|}} ((drawing by IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1644516)) \\ | + | {{:techtalk:ref:carb:vm38-9_throttle_cable_specs_by_ironmick_-_shrunken_sized.jpg?direct&400|}} ((drawing by IronMick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/152621-vm38-9-throttle-cable-spec-s?t=1644516)) \\ |
| - | There are a couple of things you will have to consider regarding a Mikuni installation. First is the throttle control. ((piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=938090&page=3)) \\ | + | There are a couple of things you will have to consider regarding a Mikuni installation. First is the throttle control. ((piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/105359-zenith-main-jet-needle-loose-ih-65/page3?t=938090&page=3)) \\ |
| The Bendix uses a solid wire and the Mikuni needs a flexible braid cable. \\ | The Bendix uses a solid wire and the Mikuni needs a flexible braid cable. \\ | ||
| So if you are now using the original enclosed hard wire in the handlebar you will need to swap for a drum type twist grip like the one below. \\ | So if you are now using the original enclosed hard wire in the handlebar you will need to swap for a drum type twist grip like the one below. \\ | ||
| Line 143: | Line 144: | ||
| All this uses hose clamps to do the job. See the pic below showing the 2 clamps around the adapter. \\ | All this uses hose clamps to do the job. See the pic below showing the 2 clamps around the adapter. \\ | ||
| - | {{:techtalk:ref:carb:braided_throttle_cable_1_by_piniongear.jpg?direct&300|}} ((photo by piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=938090&page=3)) {{:techtalk:ref:carb:braided_throttle_cable_2_by_piniongear.jpg?direct&300|}} ((photo by piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=938090&page=3)) \\ | + | {{:techtalk:ref:carb:braided_throttle_cable_1_by_piniongear.jpg?direct&300|}} ((photo by piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/105359-zenith-main-jet-needle-loose-ih-65/page3?t=938090&page=3)) {{:techtalk:ref:carb:braided_throttle_cable_2_by_piniongear.jpg?direct&300|}} ((photo by piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/105359-zenith-main-jet-needle-loose-ih-65/page3?t=938090&page=3)) \\ |
| - | File any rough spots from the ball end and / or open up the ferrule a bit with a flat blade screwdriver. ((IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1567528&page=2)) \\ | + | File any rough spots from the ball end and / or open up the ferrule a bit with a flat blade screwdriver. ((IronMick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/144559-first-startup-w-mikuni-vm38-9/page2?t=1567528&page=2)) \\ |
| - | {{:techtalk:ref:carb:vm-38_project_10_by_ironmick.jpg?direct&250|}} ((photo by IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1567528&page=2)) {{:techtalk:ref:carb:vm-38_project_11_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1567528&page=2)) \\ | + | {{:techtalk:ref:carb:vm-38_project_10_by_ironmick.jpg?direct&250|}} ((photo by IronMick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/144559-first-startup-w-mikuni-vm38-9/page2?t=1567528&page=2)) {{:techtalk:ref:carb:vm-38_project_11_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/144559-first-startup-w-mikuni-vm38-9/page2?t=1567528&page=2)) \\ |
| The cable may be considerably longer than it needs to be. The correct length replacement cable has two adjusters, one at each end. \\ | The cable may be considerably longer than it needs to be. The correct length replacement cable has two adjusters, one at each end. \\ | ||
| - | If you have an Indy make up the cable, ((piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=1357783&page=2)) \\ | + | If you have an Indy make up the cable, ((piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/129648-mikuni-38mm/page2?t=1357783&page=2)) \\ |
| Be sure to have him make the lead ball end of the cable (at the carb end) small enough to pass through the 90° elbow on the carb top. \\ | Be sure to have him make the lead ball end of the cable (at the carb end) small enough to pass through the 90° elbow on the carb top. \\ | ||
| If it will not pass through, that will be a real pain to correct. \\ | If it will not pass through, that will be a real pain to correct. \\ | ||
| - | {{:techtalk:ref:carb:vm-38_project_12_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1567528&page=2)) {{:techtalk:ref:carb:vm-38_project_13_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1567528&page=2)) {{:techtalk:ref:carb:vm-38_project_14_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1567528&page=2)) \\ | + | {{:techtalk:ref:carb:vm-38_project_12_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/144559-first-startup-w-mikuni-vm38-9/page2?t=1567528&page=2)) {{:techtalk:ref:carb:vm-38_project_13_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/144559-first-startup-w-mikuni-vm38-9/page2?t=1567528&page=2)) {{:techtalk:ref:carb:vm-38_project_14_by_ironmick.jpg?direct&300|}} ((photo by IronMick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/144559-first-startup-w-mikuni-vm38-9/page2?t=1567528&page=2)) \\ |
| The single set screw on this cable assembly has nothing but the cable to tighten against. \\ | The single set screw on this cable assembly has nothing but the cable to tighten against. \\ | ||
| Line 163: | Line 164: | ||
| This allowed the set screw to tighten solid against something hard with the cable in between (same as a double set screw). \\ | This allowed the set screw to tighten solid against something hard with the cable in between (same as a double set screw). \\ | ||
| The dowel is on the bottom side and the set screw is on top side in the pic below. \\ | The dowel is on the bottom side and the set screw is on top side in the pic below. \\ | ||
| - | {{:techtalk:ih:carb:throttle_cable_mod_by_piniongear.jpg?direct&300|}} ((photo by piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=1480481&page=2)) \\ | + | {{:techtalk:ih:carb:throttle_cable_mod_by_piniongear.jpg?direct&300|}} ((photo by piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/136431-the-final-install-of-the-mikuni-with-enclosed-cable/page2?t=1480481&page=2)) \\ |
| ====== Other Pics of VMs Mounted ====== | ====== Other Pics of VMs Mounted ====== | ||
| - | {{:techtalk:ref:carb:mikuni_pic_1_by_flthd31.jpg?direct&300|}} ((photo by flthd31 of the XLFORUM http://xlforum.net/forums/showthread.php?t=2065863)) {{:techtalk:ref:carb:mikuni_pic_2_by_flthd31.jpg?direct&250|}} ((photo by flthd31 of the XLFORUM http://xlforum.net/forums/showthread.php?t=2065863)) \\ | + | {{:techtalk:ref:carb:mikuni_pic_1_by_flthd31.jpg?direct&300|}} ((photo by flthd31 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/192812-mikuni-to-branch-back-plate?t=2065863)) {{:techtalk:ref:carb:mikuni_pic_2_by_flthd31.jpg?direct&250|}} ((photo by flthd31 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/192812-mikuni-to-branch-back-plate?t=2065863)) \\ |
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