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techtalk:ih:carb01 [2019/10/19 23:25]
hippysmack [Other HD Keihin Carburetors by Year Model]
techtalk:ih:carb01 [2020/05/10 18:43]
hippysmack [Mikuni (general application)]
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 [[:​techtalk:​menu|{{ ​ :​techtalk:​gototechnicalmenu.jpg|}}]] [[:​techtalk:​menu|{{ ​ :​techtalk:​gototechnicalmenu.jpg|}}]]
-====== IH: Carburetor, Intake Manifold & Exhaust ​Systems ​======+====== IH: Carburetor, Intake Manifold & Exhaust ======
  
 \\ \\
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 001-202....HDS-101B/​44mm.... Sportster/​Shovelhead \\ 001-202....HDS-101B/​44mm.... Sportster/​Shovelhead \\
 So any of these 3 sizes will work. So any of these 3 sizes will work.
 +
 +|**Mikuni** (**XR-750 Racing Engines Only**)||
 +|VM-36-1 \\ VM-36-4 \\ VM36/​39|1972-1980 XR-750 / 36 mm with a round slide ((http://​xlforum.net/​forums/​showthread.php?​t=2006195&​page=3))((1972-2003 HD XR-750 Service Manual pg 39))|
 +|TM38-85 (47mm spigot dia.) \\ TM38-86 (43mm spigot dia.) \\ TM38-85 (47mm spigot dia.) \\ TM38-86 (43mm spigot dia.)|1989-2003 XR-750 / 38 mm with a flat slide((1972-2003 HD XR-750 Service Manual pg 39))|
  
 The correct version of the VM38 for an ironhead Sportster is the VM38-9. ((IronMick of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1814834&​page=2)) ((piniongear of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=765846&​page=3)) ((piniongear of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=765846&​page=4)) \\ The correct version of the VM38 for an ironhead Sportster is the VM38-9. ((IronMick of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1814834&​page=2)) ((piniongear of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=765846&​page=3)) ((piniongear of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=765846&​page=4)) \\
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 ==== Sportster Keihin Butterfly Carburetors by Year Model ==== ==== Sportster Keihin Butterfly Carburetors by Year Model ====
  
-^Sportster Model^Year \\ Carb Used^HD Part Number^Flange \\ Number^ ​ Main Jet \\ Size  ^Low Speed \\ Jet Size^Initial Mixture \\ screw setting^Accel Pump \\ spring position^+^Sportster Model^Year \\ Carb Used^HD Part Number^Flange ​/ \\ Casting ​\\ Number^ ​ Main Jet \\ Size  ^Low Speed \\ Jet Size^Initial Mixture \\ screw setting^Accel Pump \\ spring position^
 |XLH, XLCH|Late 1976|27153-76((HD Sportster Parts Catalog XLH/XLCH 99451-78B))|B50A ((HD Service Bulletin #M-713 dated June 10, 1977))|(140 std) ((HD Service Bulletin #M713 dated June 10, 1977)) \\ Optional jets ((HD Parts and Accessories Bulletin dated February 8, 1977)) ​ \\ - 130, 135, 145, 150 \\ 155, 160, 165, 170, 175((HD Sportster Parts Catalog XLH/XLCH 99451-78B))|100|7/​8 ((HD Service Bulletin #M713 dated June 10, 1977))|Upper ((HD Service Bulletin #M713 dated June 10, 1977))| |XLH, XLCH|Late 1976|27153-76((HD Sportster Parts Catalog XLH/XLCH 99451-78B))|B50A ((HD Service Bulletin #M-713 dated June 10, 1977))|(140 std) ((HD Service Bulletin #M713 dated June 10, 1977)) \\ Optional jets ((HD Parts and Accessories Bulletin dated February 8, 1977)) ​ \\ - 130, 135, 145, 150 \\ 155, 160, 165, 170, 175((HD Sportster Parts Catalog XLH/XLCH 99451-78B))|100|7/​8 ((HD Service Bulletin #M713 dated June 10, 1977))|Upper ((HD Service Bulletin #M713 dated June 10, 1977))|
 |XLH, XLCH, XLT|1977-1978 |27153-77 ((HD Sportster Parts Catalog XLH/XLCH 99451-78B))|B50B ((HD Service Bulletin #M-713 dated June 10, 1977)) \\ B50C |(160 std) ((1954-1977 HD Sportster Parts Supplement pg 2)) (165 std) ((HD Service Bulletin #M713 dated June 10, 1977)) \\ Optional jets ((HD Parts and Accessories Bulletin dated February 8, 1977)) ​ \\ - 130, 135, 145, 150 \\ 155, 160, 165, 170, 175((HD Sportster Parts Catalog XLH/XLCH 99451-78B))|75|1-1/​4 ((HD Service Bulletin #M713 dated June 10, 1977))|Center ((HD Service Bulletin #M713 dated June 10, 1977))| |XLH, XLCH, XLT|1977-1978 |27153-77 ((HD Sportster Parts Catalog XLH/XLCH 99451-78B))|B50B ((HD Service Bulletin #M-713 dated June 10, 1977)) \\ B50C |(160 std) ((1954-1977 HD Sportster Parts Supplement pg 2)) (165 std) ((HD Service Bulletin #M713 dated June 10, 1977)) \\ Optional jets ((HD Parts and Accessories Bulletin dated February 8, 1977)) ​ \\ - 130, 135, 145, 150 \\ 155, 160, 165, 170, 175((HD Sportster Parts Catalog XLH/XLCH 99451-78B))|75|1-1/​4 ((HD Service Bulletin #M713 dated June 10, 1977))|Center ((HD Service Bulletin #M713 dated June 10, 1977))|
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 ==== Other HD Keihin Carburetors by Year Model ==== ==== Other HD Keihin Carburetors by Year Model ====
  
-^Other HD Model^Year \\ Carb Used^Serial Number^Flange \\ Number^ ​ Main Jet \\ Size  ^Low Speed \\ Jet Size^Initial Mixture \\ screw setting^Accel Pump \\ spring position^+^Other HD Model^Year \\ Carb Used^Serial Number^Flange ​/ \\ Casting ​\\ Number^ ​ Main Jet \\ Size  ^Low Speed \\ Jet Size^Initial Mixture \\ screw setting^Accel Pump \\ spring position^
 |All FX|76|27155-76| 860A ((Hd TSB #M713 dated June 10, 1977)) \\ 860B |185 ((Hd TSB #M713 dated June 10, 1977))|100|7/​8|center| |All FX|76|27155-76| 860A ((Hd TSB #M713 dated June 10, 1977)) \\ 860B |185 ((Hd TSB #M713 dated June 10, 1977))|100|7/​8|center|
 |All FL|76-E77|:::​|:::​|:::​|:::​|:::​|:::​| |All FL|76-E77|:::​|:::​|:::​|:::​|:::​|:::​|
 +|The (860B) had the longer 59.5mm accelerator pump rod. ((1966-1984 HD FL Parts Catalog (99456-84B) pg 33))||||||||
 |All FX \\ All FL|L77-E78|27155-76A ((1941-1978 Hd Electra Glide, Super Glide Parts Catalog pg 17))| 860C ((Hd TSB #M713 dated June 10, 1977)) \\ 860D |175 ((Hd TSB #M713 dated June 10, 1977))|88|1-1/​2|center| |All FX \\ All FL|L77-E78|27155-76A ((1941-1978 Hd Electra Glide, Super Glide Parts Catalog pg 17))| 860C ((Hd TSB #M713 dated June 10, 1977)) \\ 860D |175 ((Hd TSB #M713 dated June 10, 1977))|88|1-1/​2|center|
 |:::​|:::​|:::​|:::​|:::​|:::​|:::​|:::​| |:::​|:::​|:::​|:::​|:::​|:::​|:::​|:::​|
 |FX, FXE, FXS|L1978-1979|27468-78A ((1971-1984 HD FX Parts Catalog pg 27))|B81B|160|72| |FX, FXE, FXS|L1978-1979|27468-78A ((1971-1984 HD FX Parts Catalog pg 27))|B81B|160|72|
-|FXEF|1979|27466-78A ((1971-1984 HD FX Parts Catalog pg 27))|B78A|160|72|+|FLH-80 \\ Classic|L1978-1979|27466-78A ((1966-1984 HD FL Parts Catalog ​ ​(99456-84B) ​pg 33))|B78B|165|70| 
 +|FL, FLH|L1978-1979|27467-78A ((1966-1984 HD FL Parts Catalog pg  (99456-84B) 33))|B80B|165|70|
 |FXS-80 \\ FXEF-80|1979|27472-79 ((1971-1984 HD FX Parts Catalog pg 27))|B79A|160|72| |FXS-80 \\ FXEF-80|1979|27472-79 ((1971-1984 HD FX Parts Catalog pg 27))|B79A|160|72|
-|?|?​|27467-80| ​ |  |  |+|FXEF|1979|27466-78A ((1971-1984 HD FX Parts Catalog pg 27))|B78A|160|72| 
 +|?|1980|27467-80| ​ |  |  ​
 +|FLH-80 \\ Classic \\ Sidecar (79-80)|1980|27466-80A ((1966-1984 HD FL Parts Catalog pg  (99456-84B) 33))|B78D|165|68| 
 +|FL, FLH|1980|27467-80A ((1966-1984 HD FL Parts Catalog pg  (99456-84B) 33))|B80D|165|68|
 |FXE, FXEF, FXS|1980|27468-80A ((1971-1984 HD FX Parts Catalog pg 27))|B81D|160|72| |FXE, FXEF, FXS|1980|27468-80A ((1971-1984 HD FX Parts Catalog pg 27))|B81D|160|72|
 |FXWG|1980|27470-80 ((1971-1984 HD FX Parts Catalog pg 27))|B28D|160|72| |FXWG|1980|27470-80 ((1971-1984 HD FX Parts Catalog pg 27))|B28D|160|72|
 |FXS-80 \\ FXEF-80 \\ FXB|1980|27472-80A ((1971-1984 HD FX Parts Catalog pg 27))|B79D|160| |FXS-80 \\ FXEF-80 \\ FXB|1980|27472-80A ((1971-1984 HD FX Parts Catalog pg 27))|B79D|160|
 +|FLH-80 \\ Classic|1981-1984|27494-81A ((1966-1984 HD FL Parts Catalog pg  (99456-84B) 33))|B78F|165|70|
 |FXEF-80 \\ FXE-80|1981-1983|27472-81A ((1971-1984 HD FX Parts Catalog pg 29))|B79F|160 (FXEF-80) \\ 165 (FXE-80)|72| |FXEF-80 \\ FXE-80|1981-1983|27472-81A ((1971-1984 HD FX Parts Catalog pg 29))|B79F|160 (FXEF-80) \\ 165 (FXE-80)|72|
 |FXS-80, FXB \\ FXWG, FXSB|1981-1983|27470-81A ((1971-1984 HD FX Parts Catalog pg 29))|B28H|160 \\ all FX models \\ (except FXE-80)|72| ​ |  | |FXS-80, FXB \\ FXWG, FXSB|1981-1983|27470-81A ((1971-1984 HD FX Parts Catalog pg 29))|B28H|160 \\ all FX models \\ (except FXE-80)|72| ​ |  |
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 |All FLT, \\ FXR, SOFTAIL \\ (Cal. and Swiss only)|1988-1989|27026-88A ((87-89 FLT-FXR-Softail Parts Catalog-Carb Info))|F59B|140|42| |All FLT, \\ FXR, SOFTAIL \\ (Cal. and Swiss only)|1988-1989|27026-88A ((87-89 FLT-FXR-Softail Parts Catalog-Carb Info))|F59B|140|42|
  
-  * Carburetors with the latest letter stamped on the flange ​have improved sealing on the welch plugs, throttle shaft ends and idle mixture screw. ((HD Service Bulletin #M713 dated June 10, 1977))+  ​* HD part numbers are on a sticker on top of the carb on the choke cable side. Over the years, they may be not readable or may be missing. \\ Refer to the flange or ID casting numbers for specific engines used on. 
 +  * 76-78 model numbers are in the side flange near the manifold. 
 +  * 79-up model numbers are on the lower right side ID casting block. 
 +  ​* Carburetors with the latest letter stamped on the flange ​had improved sealing on the welch plugs, throttle shaft ends and idle mixture screw. ((HD Service Bulletin #M713 dated June 10, 1977))
   * Carb Idle Speed: 900 RPM ((Clymer Sportster Repair Manual 1959-1985))   * Carb Idle Speed: 900 RPM ((Clymer Sportster Repair Manual 1959-1985))
   * Torque Specs:​((1970-2010 Haynes Sportster Service and Repair Manual pgs 3.1-3.2)) Late 1976-1985, Carburetor Mounting Nuts - 19 ft/lbs (26 Nm)   * Torque Specs:​((1970-2010 Haynes Sportster Service and Repair Manual pgs 3.1-3.2)) Late 1976-1985, Carburetor Mounting Nuts - 19 ft/lbs (26 Nm)