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techtalk:ih:carb01g [2020/04/01 20:14] hippysmack [IH: Carburetor, Intake Manifold & Exhaust Systems - Sub-01G] |
techtalk:ih:carb01g [2023/12/28 23:55] hippysmack |
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| ===== Tickler ===== | ===== Tickler ===== | ||
| A tickler is any device that is inserted into the bottom hole to 'massage' a little extra gas from the diaphragm. \\ | A tickler is any device that is inserted into the bottom hole to 'massage' a little extra gas from the diaphragm. \\ | ||
| - | With the advent off Ethanol, fuel seems to evaporate faster. ((Monte03 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1191289&page=6)) \\ | + | With the advent off Ethanol, fuel seems to evaporate faster. ((Monte03 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/121601-for-tillotson-lovers-the-aftermarket-tickler/page6?t=1191289&page=6)) \\ |
| By 'tickling' the diaphragm via paperclip or spring type pin, you are allowing fuel to enter the accelerator galley via gravity. \\ | By 'tickling' the diaphragm via paperclip or spring type pin, you are allowing fuel to enter the accelerator galley via gravity. \\ | ||
| Now when you twist the throttle you will get a clean shot of fuel into the intake. \\ | Now when you twist the throttle you will get a clean shot of fuel into the intake. \\ | ||
| - | The Tillotson carburetor runs great, once started. \\ But even with electric start, when cold, it sometimes takes quite a bit of cranking to get it going. ((rgmax of the XLFORUM http://xlforum.net/forums/showthread.php?t=1191289&page=5)) \\ | + | The Tillotson carburetor runs great, once started. \\ But even with electric start, when cold, it sometimes takes quite a bit of cranking to get it going. ((rgmax of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/121601-for-tillotson-lovers-the-aftermarket-tickler/page5?t=1191289&page=5)) \\ |
| Sometimes sometimes twenty kicks later, no start. When warm it sometimes takes 3-4 seconds of cranking to start which still seemed too long. \\ | Sometimes sometimes twenty kicks later, no start. When warm it sometimes takes 3-4 seconds of cranking to start which still seemed too long. \\ | ||
| (even with the carb rebuilt, timing, plugs and valve adjustment all spot on) \\ | (even with the carb rebuilt, timing, plugs and valve adjustment all spot on) \\ | ||
| Line 31: | Line 31: | ||
| This was made by S&D installed on a HD2D model. \\ | This was made by S&D installed on a HD2D model. \\ | ||
| - | {{:techtalk:ih:carb:tillotson_hd2d_pic_3_by_16ouncepbr.jpg?direct&300|}} ((photo by 16ouncePBR of the XLFORUM http://xlforum.net/forums/showthread.php?t=1191289)) {{:techtalk:ih:carb:tillotson_hd2d_pic_4_by_16ouncepbr.jpg?direct&300|}} ((photo by 16ouncePBR of the XLFORUM http://xlforum.net/forums/showthread.php?t=1191289)) \\ | + | {{:techtalk:ih:carb:tillotson_hd2d_pic_3_by_16ouncepbr.jpg?direct&300|}} ((photo by 16ouncePBR of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/121601-for-tillotson-lovers-the-aftermarket-tickler?t=1191289)) {{:techtalk:ih:carb:tillotson_hd2d_pic_4_by_16ouncepbr.jpg?direct&300|}} ((photo by 16ouncePBR of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/121601-for-tillotson-lovers-the-aftermarket-tickler?t=1191289)) \\ |
| - | {{:techtalk:ih:carb:tillotson_hd2d_pic_1_by_16ouncepbr.jpg?direct&300|}} ((photo by 16ouncePBR of the XLFORUM http://xlforum.net/forums/showthread.php?t=1191289)) {{:techtalk:ih:carb:tillotson_hd2d_pic_2_by_16ouncepbr.jpg?direct&300|}} ((photo by 16ouncePBR of the XLFORUM http://xlforum.net/forums/showthread.php?t=1191289)) \\ | + | {{:techtalk:ih:carb:tillotson_hd2d_pic_1_by_16ouncepbr.jpg?direct&300|}} ((photo by 16ouncePBR of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/121601-for-tillotson-lovers-the-aftermarket-tickler?t=1191289)) {{:techtalk:ih:carb:tillotson_hd2d_pic_2_by_16ouncepbr.jpg?direct&300|}} ((photo by 16ouncePBR of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/121601-for-tillotson-lovers-the-aftermarket-tickler?t=1191289)) \\ |
| Since vintage ticklers are now pretty much unobtainable, the one below was homemade.\\ | Since vintage ticklers are now pretty much unobtainable, the one below was homemade.\\ | ||
| This is an original Tillotson on a 1969 XLH. \\ | This is an original Tillotson on a 1969 XLH. \\ | ||
| - | {{:techtalk:ih:carb:homemade_tickler_by_rgmax.jpg?direct&300|}} ((photo by rgmax of the XLFORUM http://xlforum.net/forums/showthread.php?t=1191289&page=5)) \\ | + | {{:techtalk:ih:carb:homemade_tickler_by_rgmax.jpg?direct&300|}} ((photo by rgmax of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/121601-for-tillotson-lovers-the-aftermarket-tickler/page5?t=1191289&page=5)) \\ |
| ===== Testing and Repair Checklist ===== | ===== Testing and Repair Checklist ===== | ||
| Line 66: | Line 67: | ||
| - Inspect the inlet needle lever for correct adjustment. It should be flush with the surrounding floor of the carb body. If not equipped with a shackled needle, replace with kit (27588-66). Torque seat to 45 in-lbs. | - Inspect the inlet needle lever for correct adjustment. It should be flush with the surrounding floor of the carb body. If not equipped with a shackled needle, replace with kit (27588-66). Torque seat to 45 in-lbs. | ||
| - Test the economizer ball check for leakage and correct operation. Using the hose end of tool (96960-68), place it over the economizer welch plug hole so that it seals off the surrounding area. With alternate pressure and vacuum applied by mouth, ball check should release and seal. Replace any defective parts. \\ | - Test the economizer ball check for leakage and correct operation. Using the hose end of tool (96960-68), place it over the economizer welch plug hole so that it seals off the surrounding area. With alternate pressure and vacuum applied by mouth, ball check should release and seal. Replace any defective parts. \\ | ||
| - | |||
| - | ---- | ||
| - | |||
| - | \\ | ||
| ===== Welch Plug or Expansion Plug ===== | ===== Welch Plug or Expansion Plug ===== | ||
| Line 81: | Line 78: | ||
| * The plug should be seated with a flat end punch that is slightly smaller than the diameter of the plug. The plug should be flat and not concaved to assure a tight fit. If leakage is suspected due to a rough or damaged welch plug seat in the casting, apply a small amount of epoxy or suitable sealant to the edges after installing it. | * The plug should be seated with a flat end punch that is slightly smaller than the diameter of the plug. The plug should be flat and not concaved to assure a tight fit. If leakage is suspected due to a rough or damaged welch plug seat in the casting, apply a small amount of epoxy or suitable sealant to the edges after installing it. | ||
| * Installation Recommendations from Hubbard Spring [[http://www.hubbardspring.com/install_reco.php?cid=45]] | * Installation Recommendations from Hubbard Spring [[http://www.hubbardspring.com/install_reco.php?cid=45]] | ||
| - | * Some Welch Plug dims: [[http://www.hubbardspring.com/index.php/category/43/cupped-plugs-and-cupped-plugs-pierced-catalog | + | * Some Welch Plug dims: [[http://www.hubbardspring.com/index.php/category/43/cupped-plugs-and-cupped-plugs-pierced-catalog]] |
| - | ]] | + | |
| [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | ||
| Line 88: | Line 84: | ||
| ===== Intake Leaks ===== | ===== Intake Leaks ===== | ||
| Finding and Fixing the Cause of the Degradation That Leads to Intake Leaks: \\ | Finding and Fixing the Cause of the Degradation That Leads to Intake Leaks: \\ | ||
| - | Article by Dr Dick of the XLFORUM ((http://xlforum.net/forums/showthread.php?p=3203642)) \\ | + | Article by Dr Dick of the XLFORUM ((https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/113554-intake-manifold-leak-plague/page2#post2390770)) \\ |
| * Leaks will develop over time. While diagnosing, you're doing the seemingly most logical thing by focusing on the seals & clamps. But, you may not be seeing the obvious. If your tire kept leaking after you fixed the inner tube, time after time, you would start thinking that a bigger patch would work better than the last one you used as well as start looking for nails in the drive way. Same thing here. | * Leaks will develop over time. While diagnosing, you're doing the seemingly most logical thing by focusing on the seals & clamps. But, you may not be seeing the obvious. If your tire kept leaking after you fixed the inner tube, time after time, you would start thinking that a bigger patch would work better than the last one you used as well as start looking for nails in the drive way. Same thing here. | ||
| Line 105: | Line 101: | ||
| ===== Links,Parts and Services for Tillotson Carbs ===== | ===== Links,Parts and Services for Tillotson Carbs ===== | ||
| - | Original P/N for a Sporty Tillotson repair parts kit 27147-66 ((rivethog of the XLFORUM http://xlforum.net/forums/showthread.php?t=757993&page=2)) \\ | + | Original P/N for a Sporty Tillotson repair parts kit 27147-66 ((rivethog of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/92522-another-tillotson-magneto-hard-to-start-xlch-question/page2?t=757993&page=2)) \\ |
| Original P/N for a Big Twin Tillotson repai parts kit 27137-66 \\ | Original P/N for a Big Twin Tillotson repai parts kit 27137-66 \\ | ||
