Differences
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techtalk:ih:engctl01a [2023/12/31 17:30] hippysmack [Roll Pin] |
techtalk:ih:engctl01a [2023/12/31 17:31] (current) hippysmack [Auto Advance / Breaker Weight Springs] |
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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)) | ||
