Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
Last revision Both sides next revision
techtalk:ih:body01w [2021/05/14 22:11]
hippysmack [Coil / Regulator Casting 65-66 XLH, 65 XLCH]
techtalk:ih:body01w [2023/06/22 03:21]
hippysmack [Seat Casting Date Code (1957-1972)]
Line 36: Line 36:
   * Rocker Box Clearance:   * Rocker Box Clearance:
     *K Models have a straight backbone tube end to end.     *K Models have a straight backbone tube end to end.
-    * 1957-1976 Sportsters have a "​smashed"​ underside of the backbone to make room for the rear rocker box. \\ The underside of the back bone is tapered starting from the front of the seat casting to the motor mount.+    * L1956-1976 K Model / Sportsters have a "​smashed"​ underside of the backbone to make room for the rear rocker box. \\ The underside of the back bone is tapered starting from the front of the seat casting to the motor mount.
     * 1977-1981 Sportsters also have the tapered underside of the backbone from the top rear motor mount past the area over the rear rocker box.     * 1977-1981 Sportsters also have the tapered underside of the backbone from the top rear motor mount past the area over the rear rocker box.
     * 1982-1985 Sportsters had a frame design raising the backbone which removed the need to taper the underside for rocker box clearance.     * 1982-1985 Sportsters had a frame design raising the backbone which removed the need to taper the underside for rocker box clearance.
Line 44: Line 44:
     * 1979-1981 models have a "​tee"​ junction where the backbone is squashed and welded into the side of another pipe.     * 1979-1981 models have a "​tee"​ junction where the backbone is squashed and welded into the side of another pipe.
     * 1982-1985 models have a straight backbone butted to a curved tube that runs down to the lower tubes.     * 1982-1985 models have a straight backbone butted to a curved tube that runs down to the lower tubes.
-See pics above for 79-85. \\+See pics above also for 79-85. \\
  
-{{:​techtalk:​ih:​body:​backbone_on_k_model_by_fergerburger.jpg?​direct&​300|}} ((photo by fergerburger of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1516975)) {{:​techtalk:​ih:​body:​backbone_1957-1972_sportster_by_akchopper.jpg?​direct&​300|}} ((photo by akchopper of the XLFORUM)) {{:​techtalk:​ih:​body:​backbone_1973-1978_sportster_by_rusty_dusty_parts.jpg?​direct&​300|}} ((photo courtesy of Ebay seller, rusty_dusty_parts,​ [[https://​www.ebay.com/​str/​bialystreasures?​_trksid=p2047675.l2563|Link to Ebay store:]] )) \\+{{:​techtalk:​ih:​body:​backbone_on_k_model_by_fergerburger.jpg?​direct&​300|}} ((photo by fergerburger of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1516975)) {{:​techtalk:​ih:​body:​backbone_1957-1972_sportster_by_akchopper.jpg?​direct&​300|}} ((photo by akchopper of the XLFORUM)) ​\\ 
 + 
 +{{:​techtalk:​ih:​body:​backbone_1973-1978_sportster_by_rusty_dusty_parts.jpg?​direct&​300|}} ((photo courtesy of Ebay seller, rusty_dusty_parts,​ [[https://​www.ebay.com/​str/​bialystreasures?​_trksid=p2047675.l2563|Link to Ebay store:​]] ​)) {{:​techtalk:​ih:​body:​backbone_1979-1981_backbone_by_owlsplace.jpg?​direct&​300|}} ((photo by owlsplace of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=2073507)) \\
  
 ====== Neck ====== ====== Neck ======
Line 66: Line 68:
 **Neck Casting Numbers**: \\ **Neck Casting Numbers**: \\
  
-  * On the neck web of an early Sportster frame, you should find a casting number. ​((GA_Ironhead of the XLFORUM http://​xlforum.net/​forums/​archive/​index.php/​t-1543545.html)) ​\\+  * On the neck web of an early Sportster frame, you should find a casting number. ​ \\
   * Casting numbers ending in -52 are for 1952-1953 K Model frames. \\ Possibly 52 & 53 Ks used non welded -52 neck casting frames.   * Casting numbers ending in -52 are for 1952-1953 K Model frames. \\ Possibly 52 & 53 Ks used non welded -52 neck casting frames.
   * Casting numbers ending in -52A are for possibly L1954-E1955 K Model frames. \\ Possibly 54 Ks had welded -52 neck or -52A neck castings.   * Casting numbers ending in -52A are for possibly L1954-E1955 K Model frames. \\ Possibly 54 Ks had welded -52 neck or -52A neck castings.
-  * Casting numbers ending in -56 are for 1956-Up K Model and XLH Sportster frames.+  * Casting numbers ending in -56 are for 1956-Up K Model and all Sportster frames. ​((Dr Dick of the XLFORUM))
     * Early 1956 K neck casting does not have a "stem ridge" (diagonal line extending thru the stem).     * Early 1956 K neck casting does not have a "stem ridge" (diagonal line extending thru the stem).
     * Late 1956 K and 1957-Up XLH casting does have the "stem ridge"​. ​     * Late 1956 K and 1957-Up XLH casting does have the "stem ridge"​. ​
-  * Casting numbers ending in -58 are for XLCH frames. 
  
 Click on a pic to enlarge: \\ Click on a pic to enlarge: \\
Line 80: Line 81:
  
 |Notice the different gas tank mount hole to number positions and webbing height between XLH and XLCH. (Note: extra hole on orange frame below owner induced). \\ Painted surfaces can sometimes skew the numbers to look differently.||| |Notice the different gas tank mount hole to number positions and webbing height between XLH and XLCH. (Note: extra hole on orange frame below owner induced). \\ Painted surfaces can sometimes skew the numbers to look differently.|||
-|Found on 67-69 XLH, Casting (-56) ((photo courtesy of Ebay seller, solorider59. [[https://​www.ebay.com/​sch/​solorider59/​m.html?​item=265025798295&​nordt=true&​ul_noapp=true&​nma=true&​orig_cvip=true&​rt=nc&​si=0gd58W0xPiMF4jSQd4HmHfCtfc8%253D&​_trksid=p2047675.l2562|Link to items for sale]] ))|Found on 67-69 XLCH, Casting (-56 or -58?) ((photo courtesy of Ebay seller, animalhouse2010,​ [[https://​www.ebay.com/​str/​animalhouse2010?​_trksid=p2047675.l2563|Link to Ebay store:]] ))|Found on 67-69 XLCH, Casting (-58) ((photo courtesy of Ebay seller, animalhouse2010,​ [[https://​www.ebay.com/​str/​animalhouse2010?​_trksid=p2047675.l2563|Link to Ebay store:]] ))|+|Found on 67-69 XLH, Casting (-56) ((photo courtesy of Ebay seller, solorider59. [[https://​www.ebay.com/​sch/​solorider59/​m.html?​item=265025798295&​nordt=true&​ul_noapp=true&​nma=true&​orig_cvip=true&​rt=nc&​si=0gd58W0xPiMF4jSQd4HmHfCtfc8%253D&​_trksid=p2047675.l2562|Link to items for sale]] ))|Found on 67-69 XLCH, Casting (-56) ((photo courtesy of Ebay seller, animalhouse2010,​ [[https://​www.ebay.com/​str/​animalhouse2010?​_trksid=p2047675.l2563|Link to Ebay store:]] ))|Found on 67-69 XLCH, Casting (-56) ((photo courtesy of Ebay seller, animalhouse2010,​ [[https://​www.ebay.com/​str/​animalhouse2010?​_trksid=p2047675.l2563|Link to Ebay store:]] ))|
 |{{:​techtalk:​ih:​body:​neck_casting_1967-1969_xlh_by_solorider59.jpg?​direct&​300|}}|{{:​techtalk:​ih:​body:​neck_casting_1967-1969_xlch_by_animalhouse2010.jpg?​direct&​300|}}|{{:​techtalk:​ih:​body:​neck_casting_1967-1969_xlch_pic2_by_animalhouse2010.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​body:​neck_casting_1967-1969_xlh_by_solorider59.jpg?​direct&​300|}}|{{:​techtalk:​ih:​body:​neck_casting_1967-1969_xlch_by_animalhouse2010.jpg?​direct&​300|}}|{{:​techtalk:​ih:​body:​neck_casting_1967-1969_xlch_pic2_by_animalhouse2010.jpg?​direct&​300|}}|
  
Line 104: Line 105:
  
 ===== Coil / Regulator Mount Casting 65-66 XLH, 65 XLCH ===== ===== Coil / Regulator Mount Casting 65-66 XLH, 65 XLCH =====
-  * 1965 XLH frame had a special location for the spark coil. \\ The right side seat casting was modded to include a flat area at 45° with two threaded holes for the coil bracket. \\ The angled bracket is bent to run under the frame to the left side where the coil is attached. +  * 1965-1966 XLH frame had a special location for the spark coil. \\ The right underside ​seat casting was modded to include a flat bossed ​area at 45° with two threaded holes for the coil bracket. \\ The angled bracket is bent to run under the frame to the left side where the coil is attached. 
-  * 1965 (only) XLCH used Bosch 12v regulator that was mounted between top of the horseshoe oil tank and the frame. ((Dr Dick of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1002752)) \\ The right side seat casting was modded to include ​flat area at 45° with two 1/​4"​-28 threaded holes to affix the regulator bracket. \\ It used a 1 year only bracket that attached to the "one year only" (i have seen them on 66 ch also) under-seat frame casting. \\ For 65 only, the regulator moves away from the top of the generator and is actually bolted above the tool box, left hand side hence special frame bracket and/or moded casting. ((thefrenchowl of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1002752)) \\+  * 1965 (only) XLCH used Bosch 12v regulator that was mounted between top of the horseshoe oil tank and the frame. ((Dr Dick of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1002752)) \\ The right side seat casting was modded to include ​the same flat area at 45° with two 1/​4"​-28 threaded holes to affix the regulator bracket. \\ It used a 1 year only bracket that attached to the under-seat frame casting. \\ For 65 only, the regulator moves away from the top of the generator and is actually bolted above the tool box, left hand side hence special frame bracket and/or moded casting. ((thefrenchowl of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1002752)) ​\\ But that bossed area was included on 66-69 XLCH frames without the holes threaded. ​\\
  
 Earliest known appearance according to the K Model site is April of 1964. Present through 1966 on XLH and may be through 1969 on XLCH. \\ Earliest known appearance according to the K Model site is April of 1964. Present through 1966 on XLH and may be through 1969 on XLCH. \\
Line 136: Line 137:
 ===== Seat Casting Date Code (1957-1972) ===== ===== Seat Casting Date Code (1957-1972) =====
 Seat casting date codes were introduced sometime in the K Model years. \\ Seat casting date codes were introduced sometime in the K Model years. \\
-The date code reflects when the frame was made, not when bike was assembled. ((thefrenchowl of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1002752)) Therefore it is yet just another tool to distinguish between year models. \\+According to [[https://​www.harleykmodel.com/​technical/​numbers/​index.html|Harley K Model site]], 1952 K model frames don't have date codes, and only the last few months of 1953 had them. \\ 
 +So roughly in L1953 is when date codes first appeared. \\ 
 +The date code reflects when the frame was made, not when the bike was assembled. ((thefrenchowl of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1002752)) Therefore it is yet just another tool to distinguish between year models. \\
  
 1970-1972 (and possibly later frames) still have date stamping numbers but they are not normally used to distinguish the year of the frame. \\ 1970-1972 (and possibly later frames) still have date stamping numbers but they are not normally used to distinguish the year of the frame. \\
Line 144: Line 147:
 1957-1969 models DO NOT have VIN numbers. So to chase down the year model of the frame, several methods of deducing must be done. \\ 1957-1969 models DO NOT have VIN numbers. So to chase down the year model of the frame, several methods of deducing must be done. \\
 Generally, on the seat casting ear for the gas tank mount on the right hand side, you'll see a letter and digit. \\ Generally, on the seat casting ear for the gas tank mount on the right hand side, you'll see a letter and digit. \\
-The letter is the month, the digit is the year. Example; C6 = March of 1966, , C7 = March 1957 or March 1967 frame. \\ +Sometimes the code is stamped (letter/​digit or digit/​letter). The letter is the month, the digit is the year. \\ 
-Sometimes the code is stamped ​the other way around ​(letter/​digit or digit/​letter). \\ + 
-However, this is not the only number that matters for dating the frame.+However, this is not the only number that matters for dating the frame. ​\\
 You can distinguish the 57-59 frames from the 67-69 by the seat castings, which are quite different. \\ You can distinguish the 57-59 frames from the 67-69 by the seat castings, which are quite different. \\
 Each frame would have uniquely identifiable features also. ((Magneto Sportster of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​p=5577614&​highlight=seat+cast+number#​post5577614)) \\ Each frame would have uniquely identifiable features also. ((Magneto Sportster of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​p=5577614&​highlight=seat+cast+number#​post5577614)) \\
Line 157: Line 160:
 1958 XL, XLH, XLC and XLCH were the street bikes produced. \\ 1958 XL, XLH, XLC and XLCH were the street bikes produced. \\
 1959 XL, XLH and XLCH were the only street bikes produced. \\ 1959 XL, XLH and XLCH were the only street bikes produced. \\
-So if you have a J7 XLCH frame (XLCH wasn't made in 1957 so) it is an October 1967 date code which dates it being made in the 1968 production year. \\ 
  
 |  **1957-1972 Seat Casting Date Code - Month and Year** ​ |||||||| |  **1957-1972 Seat Casting Date Code - Month and Year** ​ ||||||||
-|**A**|January|**G**|July|**0** *|1960 or 1970|**6**|1966| +|**A**|January|**G**|July|**0**|1960 or 1970|**6**|1966| 
-|**B**|February|**H**|August|**1** *|1961 or 1971|**7** *|1957 or 1967| +|**B**|February|**H**|August|**1**|1961 or 1971|**7**|1957 or 1967| 
-|**C**|March|**I**|September|**2** *|1962 or 1972|**8** *|1958 or 1968| +|**C**|March|**I**|September|**2**|1962 or 1972|**8**|1958 or 1968| 
-|**D**|April|**J**|October|**3**|1963|**9** *|1959 or 1969| +|**D**|April|**J**|October|**3**|1963|**9**|1959 or 1969| 
-|**E**|May|**K**|November|**4**|1964| ​ * requires further \\ identification ​ ||+|**E**|May|**K**|November|**4**|1964| ​ ||
 |**F**|June|**L**|December|**5**|1965|:::​|| |**F**|June|**L**|December|**5**|1965|:::​||
- +\\
-The first two pics below also show a hole thru the backbone in front of the seat bracket for the small gas tank. \\ If that hole has a sleeve in it, it's an XLCH frame (or at least that portion of the backbone is). ((Moon Wolf of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1951365&​page=2)) \\ The XLH had no hole there originally and if someone drilled it, it is not likely to have the sleeve. +
- +
-  * In the first example pic below, a J7 on an XLCH frame would indicate 1967 since XLCH wasn't made until 1958. +
-  * In the second pic, the A9 was further diagnosed to a 1969 frame. +
-  * The third pic below is of a 6B stamp which is the same as B6 - February 1966. +
-  * The fourth pic is 7L stamped upside down which is the same as L7 - December 1957 +
-  * The fifth pic is stamped C1 on a 1971 XLCH.  +
- +
-{{:​techtalk:​ih:​body:​seat_cast_date_code_j_7_by_animalhouse2010.jpg?​direct&​300|}} ((photo courtesy of Ebay seller, animalhouse2010,​ [[https://​www.ebay.com/​str/​animalhouse2010?​_trksid=p2047675.l2563|Link to Ebay store:]] )) {{:​techtalk:​ih:​body:​seat_cast_date_code_a_9_by_animalhouse2010.jpg?​direct&​300|}} ((photo courtesy of Ebay seller, animalhouse2010,​ [[https://​www.ebay.com/​str/​animalhouse2010?​_trksid=p2047675.l2563|Link to Ebay store:]] ))  {{:​techtalk:​ih:​body:​seat_cast_date_code_6_b_by_atomrotten.jpg?​direct&​300|}} ((photo by atomrotten of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=647991)) \\ +
- +
-{{:​techtalk:​ih:​body:​seat_cast_date_code_7_l_by_akchopper.jpg?​direct&​300|}} ((photo by akchopper of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​p=5894688#​post5894688)) {{:​techtalk:​ih:​body:​seat_cast_date_code_c_1_by_the_doctor71.jpg?​direct&​300|}} ((photo by The Doctor71 of the XLFORUM)) ​\\+
  
 ====== Seat Posts ====== ====== Seat Posts ======
Line 219: Line 210:
  
 |Year/​Model|Number Below Right \\ Swingarm Pivot|Number Above \\ Right Swingarm Pivot|Number Below Left \\ Swingarm Pivot|Number Above \\ Left Swingarm Pivot| |Year/​Model|Number Below Right \\ Swingarm Pivot|Number Above \\ Right Swingarm Pivot|Number Below Left \\ Swingarm Pivot|Number Above \\ Left Swingarm Pivot|
-|1967-1969 XLCH|47650-52PA \\ (P above dash) \\ (A below dash)| ​ |47652-52PA \\ (PA below dash)|+|1965-1966 XLH \\ 1967-1969 XLCH|47650-52PA \\ (P above dash) \\ (A below dash)| ​ |47652-52PA \\ (PA below dash)|
 |1967-1980 XLH|47650-67|10|47652-67| |1967-1980 XLH|47650-67|10|47652-67|
 |1977 XR-750 ((virgilhilts of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1782825))|47650-67|14| |1977 XR-750 ((virgilhilts of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1782825))|47650-67|14|
 |1980 XR-750 ((Streetpro of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1782825&​page=3))|47650-67| ​ |47652-67| ​ | |1980 XR-750 ((Streetpro of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1782825&​page=3))|47650-67| ​ |47652-67| ​ |
  
-|Found on 1967-1969 XLCH frame. ​((photo courtesy of Ebay seller, ​animalhouse2010, ​[[https://​www.ebay.com/​str/animalhouse2010?​_trksid=p2047675.l2563|Link to Ebay store:]] ))| +Early model tomahawks (47652-52 PA, right) (47652-52 PA, left) ((photos ​courtesy of Ebay seller, ​ol7o. [[https://​www.ebay.com/​sch/ol7o/m.html?item=264987162566&​hash=item3db27737c6%3Ag%3AfKsAAOSwNDVf41-T&​rt=nc&​_trksid=p2047675.l2562|Link to Items for Sale]]))|
-|{{:​techtalk:​ih:​body:​tomahawk_left_47650-52pa_by_animalhouse2010.jpg?​direct&​400|}}|+|{{:​techtalk:​ih:​body:​tomahawk_left_47652-52_pa_by_ol7o.jpg?​direct&​300|}}|{{:​techtalk:​ih:​body:​tomahawk_right_47650-52_pa_by_ol7o.jpg?​direct&​300|}}|
  
 |Found on 1967-1969 XLH frame. ((photo by 62 Ironhead of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1476377))|Found on XRTT frame ((photo by xlh59 of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1386370&​page=3))| |Found on 1967-1969 XLH frame. ((photo by 62 Ironhead of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1476377))|Found on XRTT frame ((photo by xlh59 of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1386370&​page=3))|
Line 236: Line 227:
   * 1957-1976, lower tubes (both) are straight tubes. \\   * 1957-1976, lower tubes (both) are straight tubes. \\
   * 1977-1981, lower right tube is notched (pressed) to allow the (new in 77) gerotor style oil pump to be removed and installed without removing the engine.   * 1977-1981, lower right tube is notched (pressed) to allow the (new in 77) gerotor style oil pump to be removed and installed without removing the engine.
-  * 1982-1985, both lower tubes changed. The engine got shifted to the left slightly and the lower tubes were massaged to accomofated ​the engine shift.+  * 1982-1985, both lower tubes changed. The engine got shifted to the left slightly and the lower tubes were massaged to accomodate ​the engine shift.
     * The left tube was dimpled on the inside track near the engine to allow the engine to move toward the left and not bind into the frame.     * The left tube was dimpled on the inside track near the engine to allow the engine to move toward the left and not bind into the frame.
     * The right divot was "​cupped"​ instead of the pressed look to allow the oil pump to lower after the engine shift.     * The right divot was "​cupped"​ instead of the pressed look to allow the oil pump to lower after the engine shift.