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techtalk:ih:engmech01b [2021/11/24 18:35] hippysmack [1975-1985 Belly Numbers] |
techtalk:ih:engmech01b [2023/12/19 22:46] hippysmack [1957-1974 Belly Numbers] |
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[[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | ||
====== IH: Engine Mechanicals - Sub-01B ====== | ====== IH: Engine Mechanicals - Sub-01B ====== | ||
+ | [[techtalk:ih:engmech01c|Click Here]] to reference the Ironhead Engine Case Identification page in the Sportsterpedia. \\ | ||
+ | \\ | ||
====== Engine Case Numbers ====== | ====== Engine Case Numbers ====== | ||
The engine VIN, also called engine number or serial number, and can be found on a pad in the "V" between the cylinders. \\ | The engine VIN, also called engine number or serial number, and can be found on a pad in the "V" between the cylinders. \\ | ||
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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. |