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techtalk:ih:carb07 [2022/09/26 21:49] hippysmack [Intake Manifold] |
techtalk:ih:carb07 [2022/10/03 06:02] hippysmack [Seals - Intake to Heads] |
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====== Intake Manifold ====== | ====== Intake Manifold ====== | ||
- | ^{{techtalk:miscres:instruction_sheet_header_4.png?nolink&830|}}||||| | + | ^{{techtalk:miscres:instruction_sheet_header_4.png?nolink&830|}}|||||| |
- | | HD Manifold Part Numbers ||||| | + | | HD Sportster Manifold Part Numbers |||||| |
- | |Year Model|Manifold Part#|Material|Throat Dia.|Bolt Hole \\ Dims/Spacing| | + | |Year Model|Manifold Part#|Material|Throat Dia.|Bolt Hole \\ Dims/Spacing|OEM Carb| |
- | |1957-1971 Sportsters|27021-57|Cast iron|1.562"|.39" holes on a 2.688" b.c. ((Dr Dick of the XLFORUM http://xlforum.net/forums/showpost.php?p=5265198&postcount=6))| | + | |1957-1971 Sportsters|27021-57|Cast iron|1.562"|.39" holes on a 2.688" b.c. ((Dr Dick of the XLFORUM http://xlforum.net/forums/showpost.php?p=5265198&postcount=6))|Linkert \\ Tillotson| |
- | |1972-1974 Sportsters|27021-71|Cast iron|1.562"|.33" holes on 2.750" b.c. ((Dr Dick of the XLFORUM http://xlforum.net/forums/showpost.php?p=5265198&postcount=6))| | + | |1972-1974 Sportsters|27021-71|Cast iron|1.562"|.33" holes on 2.750" b.c. ((Dr Dick of the XLFORUM http://xlforum.net/forums/showpost.php?p=5265198&postcount=6))|Bendix / Zenith| |
- | |1975-1979 Sportsters|27021-71A|Aluminum|1.562"|.33" holes on a 2.750" b.c. ((Dr Dick of the XLFORUM http://xlforum.net/forums/showpost.php?p=5265198&postcount=6))| | + | |1975-1979 Sportsters|27021-71A|Aluminum|1.562"|.33" holes on a 2.750" b.c. ((Dr Dick of the XLFORUM http://xlforum.net/forums/showpost.php?p=5265198&postcount=6))|Bendix / Zenith \\ Keihin "butterfly"| |
+ | |1980-1985 Sportster|27021-78 ((1979-1985 HD Sportster Parts Catalog))|Aluminum| | |Keihin "butterfly"| | ||
+ | | HD Big Twin Manifold Part Numbers ||||| | ||
+ | |Year Model|Manifold Part#|||| | ||
+ | |1971-1975 FL/FLH/FX|27021-71 ((HD 1961-1976 ElectraGlide/SuperGlide Parts Catalog pg 19)) |||| | ||
+ | |1976-E1980 FL/FX|27021-71A ((HD 1941-1978 ElectraGlide/SuperGlide Parts Catalog pg 17)) ((HD 1971-1980 FX/SuperGlide Parts Catalog pg 25))|||| | ||
+ | |L1980-later FX|27021-78((HD 1971-1984 FX Parts Catalog pg 29))|||| | ||
+ | | 1972-1974 Sportster Intake Manifold (27021-71) ((photos courtesy of Stripped Down Cycles [[https://www.ebay.com/str/strippeddowncycles?_trksid=p2047675.m3561.l2563|Link to Ebay Store:]] )) ||| | ||
+ | |{{:techtalk:ih:carb:1972-1974_sportster_intake_manifold_27021-71_pic1_by_stripped_down_cycles.jpg?direct&300|}}|{{:techtalk:ih:carb:1972-1974_sportster_intake_manifold_27021-71_pic2_by_stripped_down_cycles.jpg?direct&300|}}|{{:techtalk:ih:carb:1972-1974_sportster_intake_manifold_27021-71_pic3_by_stripped_down_cycles.jpg?direct&300|}}| | ||
+ | | 1975-1979 Sportster Intake Manifold (27021-71A) ((photos courtesy of Ebay seller, animalhouse2010, [[https://www.ebay.com/str/animalhouse2010?_trksid=p2047675.l2563|Link to Ebay store:]] )) ||| | ||
+ | |{{:techtalk:ih:carb:1975-1979_sportster_intake_manifold_27021-71a_pic1_by_animalhouse2010.jpg?direct&300|}}|{{:techtalk:ih:carb:1975-1979_sportster_intake_manifold_27021-71a_pic2_by_animalhouse2010.jpg?direct&300|}}|{{:techtalk:ih:carb:1975-1979_sportster_intake_manifold_27021-71a_pic3_by_animalhouse2010.jpg?direct&300|}}| | ||
+ | \\ | ||
- | ===== Seals - Intake to Heads ===== | + | [[techtalk:miscres:miscres05#tsb_750-799|Click Here]] to go to the TSB page in the Sportsterpedia and download TSB M-788 regarding the changes for the 27021-78 manifold. \\ |
+ | In March, 1980, several modifications were made to heads/intake manifolds/clamps used on L1980 1200/1340cc FL/FX models to improve sealing capabilities. \\ | ||
+ | |||
+ | | 1980-1985 Sportster Intake Manifold (27021-78) ((photos courtesy of Ebay seller, Robison Motorcycles [[ https://www.ebay.com/str/robisonmotorcycles?_trksid=p2047675.l2563 |Link to Ebay Store]] )) ||| | ||
+ | |{{:techtalk:ih:engmech:1980-1985_sportster_intake_manifold_27021-78_pic1_by_robisonmotorcycles.jpg?direct&300|}}|{{:techtalk:ih:engmech:1980-1985_sportster_intake_manifold_27021-78_pic2_by_robisonmotorcycles.jpg?direct&300|}}|{{:techtalk:ih:engmech:1980-1985_sportster_intake_manifold_27021-78_pic3_by_robisonmotorcycles.jpg?direct&300|}}| | ||
+ | ====== Seals - Intake to Heads ====== | ||
^{{techtalk:miscres:instruction_sheet_header_4.png?nolink&830|}}||| | ^{{techtalk:miscres:instruction_sheet_header_4.png?nolink&830|}}||| | ||
| Intake to Head - Hardware History. ((See Brucstoudt & Dr_Dick - XLForum - http://xlforum.net/forums/showthread.php?t=2079889))((also http://xlforum.net/forums/showthread.php?t=509757)) || OEM Part Numbers | | | Intake to Head - Hardware History. ((See Brucstoudt & Dr_Dick - XLForum - http://xlforum.net/forums/showthread.php?t=2079889))((also http://xlforum.net/forums/showthread.php?t=509757)) || OEM Part Numbers | | ||
- | | 1957-78 | Used exact same port sealing machining, heads and manifolds | **Uses O-rings - 27060-55 - Clamp 27063-57**. | | + | | 1957-78 | Used exact same port sealing machining, heads and manifolds | **Uses O-rings - 27060-55 - Clamp 27063-57** | |
- | | 1979 | Confusing because it had the o-ring machining but used rubber bands | **Uses rubber bands - 27062-78 - Clamp 27063-78**. | | + | | 1979 | Confusing because it had the o-ring machining but used rubber bands | **Uses rubber bands - 27062-78 - Clamp 27063-78** | |
- | | 1980-later | Made with "o-ring delete" machining. | **Uses rubber bands - 27062-78 - Clamp 27063-78**.| | + | | E1980 | Dropped the machining for the O-ring | **Uses rubber bands - 27062-78 - Clamp 27063-78** | |
+ | | L1980-1985 | Uses same rubber bands as 79-E80 but different clamp | **Uses ruber bands - 27062-78 - Clamp 27063-80** | | ||
| ||| | | ||| | ||
| 1979 models could retro fit 78-earlier interface mechanisms as a bolt on mod. ||| | | 1979 models could retro fit 78-earlier interface mechanisms as a bolt on mod. ||| | ||
| 1980-later models needed the heads to be machined for reverting to the straight up o-ring seals. ||| | | 1980-later models needed the heads to be machined for reverting to the straight up o-ring seals. ||| | ||
+ | | 1957-1978 O-rings (27060-55) ((photo courtesy of Ebay seller, jrsvintageharley1990. [[https://www.ebay.com/str/jrsvintageharleyparts?_trksid=p2047675.l2563|Link to Ebay Store]] )) | 1957-1978 Intake Manifold Clamp (27063-57) ((photo courtesy of Ebay seller, jrsvintageharley1990. [[https://www.ebay.com/str/jrsvintageharleyparts?_trksid=p2047675.l2563|Link to Ebay Store]] )) | | ||
+ | |{{:techtalk:ih:carb:1957-1978_sportster_intake_manifold_o-rings_27060-55_by_jrsvintageharley1990.jpg?direct&300|}}|{{:techtalk:ih:carb:1957-1978_sportster_manifold_clamp_27063-57_by_jrsvintageharley1990_pic2.jpg?direct&300|}}| | ||
===== Bendix ===== | ===== Bendix ===== | ||
{{:techtalk:ih:carb:bendix_mounting_hardware_by_the_doctor71.jpg?direct&300|}} ((photo by The Doctor71 of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071371)) \\ | {{:techtalk:ih:carb:bendix_mounting_hardware_by_the_doctor71.jpg?direct&300|}} ((photo by The Doctor71 of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071371)) \\ |