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-sportster_history:1971_sportster [2022/01/27 04:31]
– [Related Manuals and Documentation] hippysmack
+
+sportster_history:1971_sportster [2024/01/25 17:52] (current)
– hippysmack
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 ===== Frame VIN Numbers =====
 
 Starting in 1970, the only numbers used for the purpose of identification are on the right neck and frame downtube.
   * The frame is stamped with a Vehicle Identification Number (VIN)identification.
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 ===== Engine Serial Numbers =====
 The engine serial numbers were still stamped in the case but longer used for identification purpose of ownership on 1970-up model Sportsters. \\
   * The engine VIN is stamped on the right side of the engine crankcase between the cylinders. \\ However, 1970 is a one year engine with exception of some early 1971 models with cases carried over from the 1970 batch. \\ The VIN pad on those is in a different position from every other year which is between the front two lifters. ((Ferrous Head of the XLFORUM httphttps://www.xlforum.net/forumsforum/showthread.phpsportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/180165-confused-by-vin-70-or-73/page2?t=1936551&highlight=VIN&page=2))
 
 ====== Related Manuals and Documentation ======
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 See the Navigation menu on the upper left of this page. \\
 From there you can go to the main Ironhead section menu, the Reference section for general and in-depth procedures, and the Misc Resources for documentation. \\
 
 ===== Illustrations =====
 The following illustrations are displayed for historic and period specific parts identification only. Refer to the original OEM documents for additional information. ((illustrations from various academic journals)) \\
 Click on any illustration below to enlarge. \\
 
 
 General frame dimension drawings: \\
   * (L) for 1970-1972 XLH / XLCH "long frames": \\ What was done here was to mod the dims on the earlier frame drawing and call it a day so this particular drawing isn't a solid representation.
   * (R) This is the 'correct' drawing for late 1973-1978 "long frames". Dims are also good for 1967-1969 XLH and 1970-E1973 (all models). ((Dr Dick of the XLFORUM httphttps://www.xlforum.net/forumsforum/showpost.phpsportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/148782-animal-mother-reigns/page4?p=4370194&postcount=58#post3178758)) \\
 
 {{:sportster_history:illust_-_frame_dims_-_general_-_1970-1972_xlh_xlch.png?direct&400|}} {{:sportster_history:illust_-_frame_dims_-_general_1973-1978_xlh_xlch.png?direct&400|}} \\
 
 ====== Specifications ======
 [[techtalk:menu#ironhead_technical_categories|Click Here]] for the main technical menu in the Sportsterpedia. \\
 Also see the "Misc Resources" section on the bottom of that page for technical docs and information. \\
 
 ==== Model Designations ====
   * XLH, XLCH

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