Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision | |||
|
techtalk:ref:carb01w [2024/01/10 21:38] hippysmack |
techtalk:ref:carb01w [2024/01/10 21:57] (current) hippysmack |
||
|---|---|---|---|
| Line 7: | Line 7: | ||
| * It came in flange mount and spigot mount styles. ((XRCR of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/154222-wth-snowmobile-carb-on-my-77?t=1657250)) | * It came in flange mount and spigot mount styles. ((XRCR of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/154222-wth-snowmobile-carb-on-my-77?t=1657250)) | ||
| * The first ones were called Andrews Flowmasters. \\ They used a rubber adapter flange and a hose clamp to hold the carb on to the manifold and a K&N air cleaner held on by a hose clamp. | * The first ones were called Andrews Flowmasters. \\ They used a rubber adapter flange and a hose clamp to hold the carb on to the manifold and a K&N air cleaner held on by a hose clamp. | ||
| - | * Later issues of this carb (called Screaming Eagle) were cast with a flange to allow the carb to bolt to the manifold. ((nikki of the XLFORUM http://xlforum.net/forums/showthread.php?t=1657250&page=2)) \\ The spigot mount looks a lot like the original Lectron mount from H-D. ((Racepres of the XLFORUM http://xlforum.net/forums/showthread.php?t=1657250&page=2)) | + | * Later issues of this carb (called Screaming Eagle) were cast with a flange to allow the carb to bolt to the manifold. ((nikki of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/154222-wth-snowmobile-carb-on-my-77/page2?t=1657250&page=2)) \\ The spigot mount looks a lot like the original Lectron mount from H-D. ((Racepres of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/154222-wth-snowmobile-carb-on-my-77/page2?t=1657250&page=2)) |
| * Adjustable Accelerator Pump stroke | * Adjustable Accelerator Pump stroke | ||
| * Markings include: | * Markings include: | ||
| - | * Screaming Eagle (27FA ED17) ((modern slave of the XLFORUM http://xlforum.net/forums/showthread.php?t=1698635)) | + | * Screaming Eagle (27FA ED17) ((modern slave of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/158695-need-some-help-with-carburetor-keihin-screaming-eagle?t=1698635)) |
| ====== Screaming Eagle High Flow Carb and Air Cleaner Kit (91731-88) ====== | ====== Screaming Eagle High Flow Carb and Air Cleaner Kit (91731-88) ====== | ||
| - | |||
| Marketing information on the Screaming Eagle High Flow Carb and Air Cleaner Kit (91731-88): \\ | Marketing information on the Screaming Eagle High Flow Carb and Air Cleaner Kit (91731-88): \\ | ||
| Harleys equipped with high performance engine parts may not be used on public roads and in some cases must be restricted to closed course competition. \\ | Harleys equipped with high performance engine parts may not be used on public roads and in some cases must be restricted to closed course competition. \\ | ||
| Line 43: | Line 42: | ||
| Kit Includes: | Kit Includes: | ||
| * Carburetor assembly | * Carburetor assembly | ||
| - | * Bowl Gasket \\ There is no bowl gasket listed in the kit and these are now obsolete from HD. However, many other motorcycles use Keihin carbs. You may have to do some research. \\ Yamaha OEM (8g6-14984-00) is a direct fit. ((Hawk45 of the XLFORUM http://xlforum.net/forums/showthread.php?t=2076892&page=3)) | + | * Bowl Gasket \\ There is no bowl gasket listed in the kit and these are now obsolete from HD. However, many other motorcycles use Keihin carbs. You may have to do some research. \\ Yamaha OEM (8g6-14984-00) is a direct fit. ((Hawk45 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/199949-can-t-find-a-bowl-gasket-anywhere-options/page3?t=2076892&page=3)) |
| - | * Float \\ Yamaha OEM (8G6-14985-01) is a direct fit. ((HawkeyeTX of the XLFORUM http://xlforum.net/forums/showthread.php?t=2076892&page=4)) | + | * Float \\ Yamaha OEM (8G6-14985-01) is a direct fit. ((HawkeyeTX of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/199949-can-t-find-a-bowl-gasket-anywhere-options/page4?t=2076892&page=4)) |
| * 2 Gaskets | * 2 Gaskets | ||
| * 1 Manifold spacer | * 1 Manifold spacer | ||
| Line 75: | Line 74: | ||
| * Incorporated a special intake manifold to carb spacer that had to be drilled and tapped (1/4 x 28) in the side for included Voes connection adapter | * Incorporated a special intake manifold to carb spacer that had to be drilled and tapped (1/4 x 28) in the side for included Voes connection adapter | ||
| * Required a 1987 replacement style intake manifold for 1988 and up models | * Required a 1987 replacement style intake manifold for 1988 and up models | ||
| - | * Required possible grinding of the right rear corner of the front cylinder head, due to interference with the carburetor throttle pulley and cable guides, for proper clearance ((http://xlforum.net/forums/showthread.php?t=132922)) | + | * Required possible grinding of the right rear corner of the front cylinder head, due to interference with the carburetor throttle pulley and cable guides, for proper clearance ((https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/43694-keihin-carb-diagram-and-settings?t=132922)) |
| Alternative Replacement Parts: \\ | Alternative Replacement Parts: \\ | ||
| - | {{:techtalk:ref:carb:se_29081-90c_bowl_gasket_replacement_by_hawkeyetx.jpg?direct&300|}} ((photo by HawkeyeTX of the XLFORUM http://xlforum.net/forums/showthread.php?t=2076892&page=4)) {{:techtalk:ref:carb:se_29081-90c_float_replacement_by_hawkeyetx_edited_2_.jpg?direct&300|}} ((photo by HawkeyeTX of the XLFORUM http://xlforum.net/forums/showthread.php?t=2076892&page=4)) \\ | + | {{:techtalk:ref:carb:se_29081-90c_bowl_gasket_replacement_by_hawkeyetx.jpg?direct&300|}} ((photo by HawkeyeTX of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/199949-can-t-find-a-bowl-gasket-anywhere-options/page4?t=2076892&page=4)) {{:techtalk:ref:carb:se_29081-90c_float_replacement_by_hawkeyetx_edited_2_.jpg?direct&300|}} ((photo by HawkeyeTX of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/199949-can-t-find-a-bowl-gasket-anywhere-options/page4?t=2076892&page=4)) \\ |
| \\ | \\ | ||
| Line 95: | Line 94: | ||
| |27895-87 |70 | | |27895-87 |70 | | ||
| |27897-78 |72 | | |27897-78 |72 | | ||
| - | ((http://xlforum.net/forums/showthread.php?t=132922)) | + | ((https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/43694-keihin-carb-diagram-and-settings?t=132922)) |
| *in carburetor \\ | *in carburetor \\ | ||
| Line 103: | Line 102: | ||
| Push the knob down as soon as the engine is warm enough to run without stumbling. \\ | Push the knob down as soon as the engine is warm enough to run without stumbling. \\ | ||
| You can ride with the knob up for the first few blocks. | You can ride with the knob up for the first few blocks. | ||
| + | |||
| ===== Tuning ===== | ===== Tuning ===== | ||
| **Air / fuel mixture**: \\ | **Air / fuel mixture**: \\ | ||
| Line 124: | Line 124: | ||
| **Flanged model** \\ | **Flanged model** \\ | ||
| - | Markings on the one below include: Keihin, 27F8, HG13, Harley Davidson and Screaming Eagle. ((Stardog of the XLFORUM http://xlforum.net/forums/showthread.php?t=1976237)) \\ | + | Markings on the one below include: Keihin, 27F8, HG13, Harley Davidson and Screaming Eagle. ((Stardog 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/183763-carburetor-identification?t=1976237)) \\ |
| - | {{:techtalk:ref:carb:se_carb_1_by_stardog.jpg?direct&300|}} ((photo by Stardog of the XLFORUM http://xlforum.net/forums/showthread.php?t=1976237)) {{:techtalk:ref:carb:se_carb_3_by_stardog.jpg?direct&300|}} ((photo by Stardog of the XLFORUM http://xlforum.net/forums/showthread.php?t=1976237)) \\ | + | {{:techtalk:ref:carb:se_carb_1_by_stardog.jpg?direct&300|}} ((photo by Stardog 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/183763-carburetor-identification?t=1976237)) {{:techtalk:ref:carb:se_carb_3_by_stardog.jpg?direct&300|}} ((photo by Stardog 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/183763-carburetor-identification?t=1976237)) \\ |
| - | {{:techtalk:ref:carb:se_carb_2_by_stardog.jpg?direct&300|}} ((photo by Stardog of the XLFORUM http://xlforum.net/forums/showthread.php?t=1976237)) {{:techtalk:ref:carb:se_carb_4_by_stardog.jpg?direct&300|}} ((photo by Stardog of the XLFORUM http://xlforum.net/forums/showthread.php?t=1976237)) \\ | + | {{:techtalk:ref:carb:se_carb_2_by_stardog.jpg?direct&300|}} ((photo by Stardog 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/183763-carburetor-identification?t=1976237)) {{:techtalk:ref:carb:se_carb_4_by_stardog.jpg?direct&300|}} ((photo by Stardog 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/183763-carburetor-identification?t=1976237)) \\ |
| **Spigot model**: \\ | **Spigot model**: \\ | ||
| - | Markings on this one include: PA40C and CE16. ((Goozgaz of the XLFORUM http://xlforum.net/forums/showthread.php?t=1710327)) \\ | + | Markings on this one include: PA40C and CE16. ((Goozgaz of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/159520-keihin-id?t=1710327)) \\ |
| - | {{:techtalk:ref:carb:se_carb_1_by_goozgaz.jpg?direct&250|}} ((photo by Goozgaz of the XLFORUM http://xlforum.net/forums/showthread.php?t=1710327)) {{:techtalk:ref:carb:se_carb_2_by_goozgaz.jpg?direct&250|}} ((photo by Goozgaz of the XLFORUM http://xlforum.net/forums/showthread.php?t=1710327)) \\ | + | {{:techtalk:ref:carb:se_carb_1_by_goozgaz.jpg?direct&250|}} ((photo by Goozgaz of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/159520-keihin-id?t=1710327)) {{:techtalk:ref:carb:se_carb_2_by_goozgaz.jpg?direct&250|}} ((photo by Goozgaz of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/159520-keihin-id?t=1710327)) \\ |
| - | {{:techtalk:ref:carb:se_carb_3_by_goozgaz.jpg?direct&250|}} ((photo by Goozgaz of the XLFORUM http://xlforum.net/forums/showthread.php?t=1710327)) {{:techtalk:ref:carb:se_carb_4_by_goozgaz.jpg?direct&250|}} ((photo by Goozgaz of the XLFORUM http://xlforum.net/forums/showthread.php?t=1710327)) \\ | + | {{:techtalk:ref:carb:se_carb_3_by_goozgaz.jpg?direct&250|}} ((photo by Goozgaz of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/159520-keihin-id?t=1710327)) {{:techtalk:ref:carb:se_carb_4_by_goozgaz.jpg?direct&250|}} ((photo by Goozgaz of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/159520-keihin-id?t=1710327)) \\ |
| - | ==== Accelerator Pump ==== | + | |
| + | ==== Accelerator Pump ==== | ||
| * **Accelerator pump rod length**: A number of Screaming Eagle carb kits (91731-85A), packaged during March of 1988 (3/88 date code), contained carburetors with accelerator pump rods that were too short. The incorrect pump rods were only 2.35" long, end to end, and completely disabled the accelerator pump and caused the engine to stumble upon fast acceleration. The correct length pump rod (27374-88) is 2.55". ((HD Service Bulletin #M-961 dated April 8, 1988)) | * **Accelerator pump rod length**: A number of Screaming Eagle carb kits (91731-85A), packaged during March of 1988 (3/88 date code), contained carburetors with accelerator pump rods that were too short. The incorrect pump rods were only 2.35" long, end to end, and completely disabled the accelerator pump and caused the engine to stumble upon fast acceleration. The correct length pump rod (27374-88) is 2.55". ((HD Service Bulletin #M-961 dated April 8, 1988)) | ||
| * Dealers were to check their parts stock and replace any pump rods that measured short and also check the pump rod length on any motorcycles that exhibited a stumble upon acceleration. | * Dealers were to check their parts stock and replace any pump rods that measured short and also check the pump rod length on any motorcycles that exhibited a stumble upon acceleration. | ||
