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techtalk:ih:engmech01b [2022/02/28 07:58] hippysmack [IH: Engine Mechanicals - Sub-01B] |
techtalk:ih:engmech01b [2023/12/19 22:49] (current) hippysmack [1975-1985 Belly Numbers] |
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| ====== Belly Numbers / Line Bore Numbers ====== | ====== Belly Numbers / Line Bore Numbers ====== | ||
| - | The numbers on the bottom of the cases are commonly called the "belly" numbers or "line bore" numbers. ((Moon Wolf of the XLFORUM http://xlforum.net/forums/showthread.php?t=575658&page=2)) \\ | + | The numbers on the bottom of the cases are commonly called the "belly" numbers or "line bore" numbers. ((Moon Wolf of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/79283-case-numbers-not-vin?t=575658&page=2)) \\ |
| If your bike has "born together" cases, the numbers on each case half should match. \\ | If your bike has "born together" cases, the numbers on each case half should match. \\ | ||
| These numbers have nothing to do with your gasket set or anything else. \\ | These numbers have nothing to do with your gasket set or anything else. \\ | ||
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| Each set of belly numbers is stamped on the bottom of each case half and the numbers should match if they were factory issued. \\ | Each set of belly numbers is stamped on the bottom of each case half and the numbers should match if they were factory issued. \\ | ||
| - | {{:techtalk:ih:engmech:1974_xl_belly_numbers_by_ironheadjunkie.jpg?direct&400|}} ((photo by ironheadjunkie of the XLFORUM)) {{:techtalk:ih:engmech:1974_xlh_belly_numbers_by_the_doctor71.jpg?direct&400|}} ((photo by The Doctor71 of the XLFORUM http://xlforum.net/forums/showthread.php?t=2080305&page=2)) \\ | + | {{:techtalk:ih:engmech:1974_xl_belly_numbers_by_ironheadjunkie.jpg?direct&400|}} ((photo by ironheadjunkie of the XLFORUM)) {{:techtalk:ih:engmech:1974_xlh_belly_numbers_by_the_doctor71.jpg?direct&400|}} ((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-1957-1985/203115-1974-sportster-vin-issues-what-the-heck-did-i-buy?t=2080305&page=2)) \\ |
| ===== 1975-1985 Belly Numbers ===== | ===== 1975-1985 Belly Numbers ===== | ||
| For convenience, [[techtalk:miscres:miscres70|Click Here]] to see the Julian Day Calendar page in the Misc Resources section of the Sportsterpedia. \\ You can open a pic of a full per-year calendar thru 1985 there and match your belly numbers to find the day your cases were machined. | For convenience, [[techtalk:miscres:miscres70|Click Here]] to see the Julian Day Calendar page in the Misc Resources section of the Sportsterpedia. \\ You can open a pic of a full per-year calendar thru 1985 there and match your belly numbers to find the day your cases were machined. | ||
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| |{{:techtalk:ih:engmech:1975_xlch_belly_numbers_pic1_by_carson_s.jpg?direct&400|}}|{{:techtalk:ih:engmech:1975_xlch_belly_numbers_pic2_by_carson_s.jpg?direct&400|}}| | |{{:techtalk:ih:engmech:1975_xlch_belly_numbers_pic1_by_carson_s.jpg?direct&400|}}|{{:techtalk:ih:engmech:1975_xlch_belly_numbers_pic2_by_carson_s.jpg?direct&400|}}| | ||
| - | | 1975-1985 belly numbers on right case bottom ((photo by paulc of the XLFORUM, labeled by Hippysmack http://xlforum.net/forums/showthread.php?t=1792269)) | | + | | 1975-1985 belly numbers on right case bottom ((photo by paulc of the XLFORUM, labeled by Hippysmack https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/166796-left-case-belly-number-location?t=1792269)) | |
| |{{:techtalk:ih:engmech:1976_xlch_belly_numbers_by_paulc.jpg?direct&400|}}| | |{{:techtalk:ih:engmech:1976_xlch_belly_numbers_by_paulc.jpg?direct&400|}}| | ||
