Differences
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techtalk:ih:engctl01a [2023/12/31 17:28] hippysmack |
techtalk:ih:engctl01a [2023/12/31 17:31] (current) hippysmack [Auto Advance / Breaker Weight Springs] |
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| If the bike will backfire, spit and cough very badly with the cam plate adjusted, \\ | If the bike will backfire, spit and cough very badly with the cam plate adjusted, \\ | ||
| - | Check for missing, bent or destroyed roll pins on the plate. ((Ferrous Head of the XLFORUM http://xlforum.net/forums/showthread.php?t=2003348&page=2)) \\ | + | Check for missing, bent or destroyed roll pins on the plate. ((Ferrous Head of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/187639-timing-180-deg-out/page2?t=2003348&page=2)) \\ |
| |The 1st roll pin is on the top side of timing \\ plate assembly. ((photo by The Doctor71 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/187639-timing-180-deg-out?t=2003348))|The 2nd roll pin is on the back side of the \\ timing plate assembly. ((photo by The Doctor71 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/187639-timing-180-deg-out?t=2003348))|During installation, the back side roll pin \\ aligns with the notch in the #2 cam ((photo by The Doctor71 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/187639-timing-180-deg-out?t=2003348))| | |The 1st roll pin is on the top side of timing \\ plate assembly. ((photo by The Doctor71 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/187639-timing-180-deg-out?t=2003348))|The 2nd roll pin is on the back side of the \\ timing plate assembly. ((photo by The Doctor71 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/187639-timing-180-deg-out?t=2003348))|During installation, the back side roll pin \\ aligns with the notch in the #2 cam ((photo by The Doctor71 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/187639-timing-180-deg-out?t=2003348))| | ||
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| * Auto advance 1st appeared on the 1965 XLH. It was also used on the 1966 XLH also. ((Dr Dick https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page22?t=1062720&page=22)) | * Auto advance 1st appeared on the 1965 XLH. It was also used on the 1966 XLH also. ((Dr Dick https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page22?t=1062720&page=22)) | ||
| * For 1967 models, the advance mechanism got changed to the familiar setup and a tach drive was added. ((Dr Dick https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page22?t=1062720&page=22)) ((HD Service Bulletin #562A dated May 1, 1969 pg OC-261)) | * For 1967 models, the advance mechanism got changed to the familiar setup and a tach drive was added. ((Dr Dick https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page22?t=1062720&page=22)) ((HD Service Bulletin #562A dated May 1, 1969 pg OC-261)) | ||
| - | * The -67 ones allow for better low speed around town manners, but they allow a little more 'kickback' than the -69 when hot starting using the button.((Dr Dick http://xlforum.net/forums/showthread.php?t=1062720&page=22)) ((HD Service Bulletin #562A dated May 1, 1969 pg OC-261)) | + | * The -67 ones allow for better low speed around town manners, but they allow a little more 'kickback' than the -69 when hot starting using the button.((Dr Dick https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page22?t=1062720&page=22)) ((HD Service Bulletin #562A dated May 1, 1969 pg OC-261)) |
| * The black -70 springs in these timers don't seem to work nearly as good as when using either -67 or -69. ((Dr Dick https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page22?t=1062720&page=22)) | * The black -70 springs in these timers don't seem to work nearly as good as when using either -67 or -69. ((Dr Dick https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page22?t=1062720&page=22)) | ||
