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techtalk:ih:susp03 [2022/03/13 08:39]
hippysmack [Pivot Bolt / Nut (1952-1981)]
techtalk:ih:susp03 [2024/01/02 03:26] (current)
hippysmack
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 ==== Removing the Swingarm ==== ==== Removing the Swingarm ====
-  * Follow the procedure in your FSM to remove the swingarm. However, if you can do it without removing the staked nut on the left side is best. It serves to center the swingarm in the frame and you can bung up the threads ​ on that nut really easily. ((GA_Ironhead ​http://​xlforum.net/​forums/showthread.php?t=185355))+  * Follow the procedure in your FSM to remove the swingarm. However, if you can do it without removing the staked nut on the left side is best. It serves to center the swingarm in the frame and you can bung up the threads ​ on that nut really easily. ((GA_Ironhead ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​47932-steering-head-swingarm-bearings-and-races?t=185355))
  
 ====== Swingarm Swaps ====== ====== Swingarm Swaps ======
    
-  * Pre-1979, only the 1977 XLCR had the box arm with Disc. ((Monte03 ​http://​xlforum.net/​forums/showthread.php?​t=1985335&​highlight=swingarm)) +  * Pre-1979, only the 1977 XLCR had the box arm with Disc. ((Monte03 ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​185403-77-swingarm?​t=1985335&​highlight=swingarm)) 
-  * 1979 - 1981 had the box arm with disc and it will fit pre-79 frames. ((russzx6 ​http://​xlforum.net/​forums/showthread.php?​t=1985335&​highlight=swingarm)) +  * 1979 - 1981 had the box arm with disc and it will fit pre-79 frames. ((russzx6 ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​185403-77-swingarm?​t=1985335&​highlight=swingarm)) 
-  * A 79-81 swing arm will bolt on a 72 frame. Things to consider when changing swingarms are master cylinder placement, operation and the fact that the 79-81 swing arm shock mounting will change the angle of your shocks. ((MXHD55U ​http://​xlforum.net/​forums/showthread.php?​t=1985335&​highlight=swingarm)) +  * A 79-81 swing arm will bolt on a 72 frame. Things to consider when changing swingarms are master cylinder placement, operation and the fact that the 79-81 swing arm shock mounting will change the angle of your shocks. ((MXHD55U ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​185403-77-swingarm?​t=1985335&​highlight=swingarm)) 
-  * Consider if you even want a disc on the rear. It won't work any better than the drum, which is already powerful enough to lock up the wheel. Put your effort into improving the front brake if you want to stop better. ((Hopper ​http://​xlforum.net/​forums/showthread.php?​t=1985335&​highlight=swingarm)) You would do better by adapting a later 39 MM Evo fork for brakes and handling. ((Monte03 ​http://​xlforum.net/​forums/showthread.php?​t=1985335&​highlight=swingarm))+  * Consider if you even want a disc on the rear. It won't work any better than the drum, which is already powerful enough to lock up the wheel. Put your effort into improving the front brake if you want to stop better. ((Hopper ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​185403-77-swingarm?​t=1985335&​highlight=swingarm)) You would do better by adapting a later 39 MM Evo fork for brakes and handling. ((Monte03 ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​185403-77-swingarm?​t=1985335&​highlight=swingarm))
  
 ====== Bearing Change, 1952-1956 K Models / 1957-E1974 XL/XLH/XLCH ====== ====== Bearing Change, 1952-1956 K Models / 1957-E1974 XL/XLH/XLCH ======
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 === 1952-1956 K Models & 1957-E1974 XL/XLH/XLCH === === 1952-1956 K Models & 1957-E1974 XL/XLH/XLCH ===
 +|  Left Bearing Lock Nut (47514-52) ((photos courtesy of Deep South Cycles, [[https://​www.ebay.com/​str/​deepsouthcycles?​_trksid=p2047675.m3561.l2563|Link to Ebay Store]] ))  ||
 +|{{:​techtalk:​ih:​susp:​1952-1974e_rear_fork_left_bearing_lock_nut_47514-52_by_deep_south_cycles_pic1.jpg?​direct&​300|}}|{{:​techtalk:​ih:​susp:​1952-1974e_rear_fork_left_bearing_lock_nut_47514-52_by_deep_south_cycles_pic2.jpg?​direct&​300|}}|
 +
 |  Right Bearing Locknut (47515-52) ((photos courtesy of Ebay seller, Robison Motorcycles [[https://​www.ebay.com/​str/​robisonmotorcycles?​_trksid=p2047675.l2563|Link to Ebay Store]] ))  || |  Right Bearing Locknut (47515-52) ((photos courtesy of Ebay seller, Robison Motorcycles [[https://​www.ebay.com/​str/​robisonmotorcycles?​_trksid=p2047675.l2563|Link to Ebay Store]] ))  ||
 |{{:​techtalk:​ih:​susp:​1952-1974e_rear_fork_right_bearing_lock_nut_47515-52_pic1_by_robisonmotorcycles.jpg?​direct&​300|}}|{{:​techtalk:​ih:​susp:​1952-1974e_rear_fork_right_bearing_lock_nut_47515-52_pic2_by_robisonmotorcycles.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​susp:​1952-1974e_rear_fork_right_bearing_lock_nut_47515-52_pic1_by_robisonmotorcycles.jpg?​direct&​300|}}|{{:​techtalk:​ih:​susp:​1952-1974e_rear_fork_right_bearing_lock_nut_47515-52_pic2_by_robisonmotorcycles.jpg?​direct&​300|}}|
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 ====== Parts Lists ====== ====== Parts Lists ======
 +\\
 ===== Swingarms ====== ===== Swingarms ======
  
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 ===== Swingarm Related Parts Lists ===== ===== Swingarm Related Parts Lists =====
 +\\
 ==== Swingarm Bearings / Bushings ==== ==== Swingarm Bearings / Bushings ====
 ^{{techtalk:​miscres:​instruction_sheet_header_4.png?​nolink&​790|}}||| ^{{techtalk:​miscres:​instruction_sheet_header_4.png?​nolink&​790|}}|||
 |**Year Model**|**Bearing(s)**|**Notes**| |**Year Model**|**Bearing(s)**|**Notes**|
-|1952-1956 K Models \\ 1957-E1974 XL/​XLH/​XLCH|47521-52 (original)|2 required. Timken: Race 17520, Bearing 17580 ((GA_Ironhead ​http://​xlforum.net/​forums/showthread.php?​t=709634&​page=5))| +|1952-1956 K Models \\ 1957-E1974 XL/​XLH/​XLCH|47521-52 (original)|2 required. Timken: Race 17520, Bearing 17580 ((GA_Ironhead ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​88845-guide-to-swingarm-bearing-replacement/​page5?​t=709634&​page=5))| 
-|:::​|Bearing Kit 47550-74 (updated)|Bearings are shorter than original. \\ Can't mix new parts with original parts \\ [[techtalk:​ih:​susp03#​bearing_change_1952-1956_k_models_1957-e1974_xl_xlh_xlch|Click Here]] for more information ​ | +|:::​|Bearing Kit 47550-74 ​\\ (uses L1974 bearings)|Bearings are shorter than original. \\ Can't mix new parts with original parts \\ [[techtalk:​ih:​susp03#​bearing_change_1952-1956_k_models_1957-e1974_xl_xlh_xlch|Click Here]] for more information ​ | 
-|L1974-1981 XLH/​XLCH/​XLS|47521-74|2 required. Timken: Race 11520, Bearing 11590 ((GA_Ironhead ​http://​xlforum.net/​forums/showthread.php?​t=709634&​page=5))|+|L1974-1981 XLH/​XLCH/​XLS|47521-74|2 required. Timken: Race 11520, Bearing 11590 ((GA_Ironhead ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​88845-guide-to-swingarm-bearing-replacement/​page5?​t=709634&​page=5))|
 |1982-1985 XL/​XLS/​XLX|47083-81|Left side bushing| |1982-1985 XL/​XLS/​XLX|47083-81|Left side bushing|
-|:::​|47082-81|Right side bearing, 2 required. \\ Timken: Race LM11710, Bearing LM11749 ((GA_Ironhead ​http://​xlforum.net/​forums/showthread.php?​t=709634&​page=5))|+|:::​|47082-81|Right side bearing, 2 required. \\ Timken: Race LM11710, Bearing LM11749 ((GA_Ironhead ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​88845-guide-to-swingarm-bearing-replacement/​page5?​t=709634&​page=5))|
  
 ==== Bearing Spacers / Shields ==== ==== Bearing Spacers / Shields ====
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 |79 XL/​XLCH/​XLS|(2) 47554-78| |79 XL/​XLCH/​XLS|(2) 47554-78|
 |79-85 XL/​XLCH/​XLS/​XLX|(2) 47554-73| |79-85 XL/​XLCH/​XLS/​XLX|(2) 47554-73|
- 
- 
  
 ==== Plastic Bearing Plug ==== ==== Plastic Bearing Plug ====