Differences
This shows you the differences between two versions of the page.
Both sides previous revision Previous revision | |||
techtalk:ref:carb09 [2020/01/22 20:21] hippysmack [Ironhead - Installing a Keihin CV Carb] |
techtalk:ref:carb09 [2024/01/12 00:07] (current) hippysmack |
||
---|---|---|---|
Line 15: | Line 15: | ||
The bike now runs pretty decently with a stable idle. There is a lot more mid-range punch. It's weak on the top end, though. \\ | The bike now runs pretty decently with a stable idle. There is a lot more mid-range punch. It's weak on the top end, though. \\ | ||
Here's a view from the rider's seat. | Here's a view from the rider's seat. | ||
- | {{: techtalk:ref:carb:ih_cv_carb_swap_17_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) | + | {{: techtalk:ref:carb:ih_cv_carb_swap_17_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) |
Remove the old air cleaner and carb. \\ | Remove the old air cleaner and carb. \\ | ||
- | {{:techtalk:ref:carb:ih_cv_carb_swap_9_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) {{:techtalk:ref:carb:ih_cv_carb_swap_10_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) \\ | + | {{:techtalk:ref:carb:ih_cv_carb_swap_9_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) {{:techtalk:ref:carb:ih_cv_carb_swap_10_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) \\ |
====== Intake Manifold to Carb Mount ====== | ====== Intake Manifold to Carb Mount ====== | ||
Three most common ways to mount a CV to an Ironhead intake: \\ | Three most common ways to mount a CV to an Ironhead intake: \\ | ||
- | A Mikuni metric adapter, a press on adapter or a non press adapter - (requires stock CV seal). ((photos by GA_Ironhead of the XLFORUM http://xlforum.net/forums/showpost.php?p=2163034&postcount=5)) \\ | + | A Mikuni metric adapter, a press on adapter or a non press adapter - (requires stock CV seal). ((photos by GA_Ironhead of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/81692-quick-relpy-need-carb-fitment?postcount=5#post1683898)) \\ |
A press-on adapter is sold that press-fits on the carb spigot with JB Weld. \\ | A press-on adapter is sold that press-fits on the carb spigot with JB Weld. \\ | ||
{{:techtalk:ref:carb:metric_mikuni_adapter_by_ga_ironhead.jpg?direct&300|}} {{:techtalk:ref:carb:press-on_carb_adapter.jpg?direct&300|}} {{:techtalk:ref:carb:non_press_carb_adapter.jpg?direct&300|}} | {{:techtalk:ref:carb:metric_mikuni_adapter_by_ga_ironhead.jpg?direct&300|}} {{:techtalk:ref:carb:press-on_carb_adapter.jpg?direct&300|}} {{:techtalk:ref:carb:non_press_carb_adapter.jpg?direct&300|}} | ||
- | {{:techtalk:ref:carb:ih_cv_carb_swap_3_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) {{:techtalk:ref:carb:ih_cv_carb_swap_4_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) \\ | + | {{:techtalk:ref:carb:ih_cv_carb_swap_3_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) {{:techtalk:ref:carb:ih_cv_carb_swap_4_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) \\ |
====== Carb to Air Cleaner Mount ====== | ====== Carb to Air Cleaner Mount ====== | ||
The original XLCR intake manifold was used but with a rubberized flanged adapter to the carb. \\ | The original XLCR intake manifold was used but with a rubberized flanged adapter to the carb. \\ | ||
A Screaming Eagle / K&N air filter assembly was used for this carb swap. Here are some pics of mounting it to the carb. \\ | A Screaming Eagle / K&N air filter assembly was used for this carb swap. Here are some pics of mounting it to the carb. \\ | ||
- | {{:techtalk:ref:carb:ih_cv_carb_swap_1_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) {{:techtalk:ref:carb:ih_cv_carb_swap_2_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) \\ | + | {{:techtalk:ref:carb:ih_cv_carb_swap_1_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) {{:techtalk:ref:carb:ih_cv_carb_swap_2_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) \\ |
The air cleaner element was installed, connected up the fuel line, and throttle cable. \\ | The air cleaner element was installed, connected up the fuel line, and throttle cable. \\ | ||
(the return cable is not being used here because the pull spring is pretty stiff. If it were to stick, it can hit the kill button) \\ | (the return cable is not being used here because the pull spring is pretty stiff. If it were to stick, it can hit the kill button) \\ | ||
- | {{:techtalk:ref:carb:ih_cv_carb_swap_14_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) {{:techtalk:ref:carb:ih_cv_carb_swap_15_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) \\{{:techtalk:ref:carb:ih_cv_carb_swap_16_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) | + | {{:techtalk:ref:carb:ih_cv_carb_swap_14_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) {{:techtalk:ref:carb:ih_cv_carb_swap_15_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) \\{{:techtalk:ref:carb:ih_cv_carb_swap_16_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) |
====== Installing the VOES (if applicable) ====== | ====== Installing the VOES (if applicable) ====== | ||
- | |||
This is not necessary, but here the VOES was attached to the new filter back plate. \\ | This is not necessary, but here the VOES was attached to the new filter back plate. \\ | ||
- | {{:techtalk:ref:carb:ih_cv_carb_swap_5_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) {{:techtalk:ref:carb:ih_cv_carb_swap_6_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) \\ | + | {{:techtalk:ref:carb:ih_cv_carb_swap_5_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) {{:techtalk:ref:carb:ih_cv_carb_swap_6_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) \\ |
Line 49: | Line 46: | ||
The VOES wiring reconnected. (one wire to ground, the other to the ignition (MSD) control unit for vacuum ignition retard). \\ | The VOES wiring reconnected. (one wire to ground, the other to the ignition (MSD) control unit for vacuum ignition retard). \\ | ||
An aluminum brace was fabricated to support the carb. \\ | An aluminum brace was fabricated to support the carb. \\ | ||
- | {{:techtalk:ref:carb:ih_cv_carb_swap_11_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) {{:techtalk:ref:carb:ih_cv_carb_swap_12_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) \\{{:techtalk:ref:carb:ih_cv_carb_swap_13_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) | + | {{:techtalk:ref:carb:ih_cv_carb_swap_11_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) {{:techtalk:ref:carb:ih_cv_carb_swap_12_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) \\{{:techtalk:ref:carb:ih_cv_carb_swap_13_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) |
====== Leg Room ====== | ====== Leg Room ====== | ||
- | |||
These pics show the stock air filter protrusion from the gas tank. \\ | These pics show the stock air filter protrusion from the gas tank. \\ | ||
- | {{:techtalk:ref:carb:ih_cv_carb_swap_7_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) {{:techtalk:ref:carb:ih_cv_carb_swap_8_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM http://xlforum.net/forums/showthread.php?t=636098)) \\ | + | {{:techtalk:ref:carb:ih_cv_carb_swap_7_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) {{:techtalk:ref:carb:ih_cv_carb_swap_8_by_blight.jpg?direct&300|}} ((photo by BLIGHT of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/84301-40mm-cv-carb-swap-today?t=636098)) \\ |
====== Pics of Conversions ====== | ====== Pics of Conversions ====== | ||
- | + | {{:techtalk:ref:carb:cv_on_an_ironhead_1_by_ga_ironhead.jpg?direct&300|}} ((photo by GA_Ironhead of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/81692-quick-relpy-need-carb-fitment#post1684786)) {{:techtalk:ref:carb:cv_on_an_ironhead_2_by_ga_ironhead.jpg?direct&300|}} ((photo by GA_Ironhead of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/81692-quick-relpy-need-carb-fitment#post1684786)) \\ | |
- | {{:techtalk:ref:carb:cv_on_an_ironhead_1_by_ga_ironhead.jpg?direct&300|}} ((photo by GA_Ironhead of the XLFORUM http://xlforum.net/forums/showthread.php?p=2164808#post2164808)) {{:techtalk:ref:carb:cv_on_an_ironhead_2_by_ga_ironhead.jpg?direct&300|}} ((photo by GA_Ironhead of the XLFORUM http://xlforum.net/forums/showthread.php?p=2164808#post2164808)) \\ | + | |
\\ | \\ |