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techtalk:evo:engmech04 [2021/07/15 19:05]
hippysmack [Sub Documents]
techtalk:evo:engmech04 [2024/01/03 21:04] (current)
hippysmack [Pushrods]
Line 2: Line 2:
 ====== EVO: Engine Mechanicals ====== ====== EVO: Engine Mechanicals ======
 ====== Rocker Box ====== ====== Rocker Box ======
- ===== Sub Documents =====+===== Sub Documents =====
  
   * [[techtalk:​evo:​engmech04a|Removing the Rocker Boxes]]   * [[techtalk:​evo:​engmech04a|Removing the Rocker Boxes]]
   * [[techtalk:​evo:​engmech04b|Rocker Box Inspection and Servicing]]   * [[techtalk:​evo:​engmech04b|Rocker Box Inspection and Servicing]]
   * [[techtalk:​evo:​engmech04c|Installing the Rocker Boxes]]   * [[techtalk:​evo:​engmech04c|Installing the Rocker Boxes]]
-  * [[techtalk:​evo:​engmech04e|Pics ​of Evo Sportster Rocker Boxes]]+  * [[techtalk:​evo:​engmech04e|Pics ​and Information on Evo Sportster Rocker Boxes]]
   * [[techtalk:​evo:​engmech04j|Rocker Arm Inspection and Servicing]]   * [[techtalk:​evo:​engmech04j|Rocker Arm Inspection and Servicing]]
   * [[techtalk:​evo:​engmech04l|Stabilizing Noisy Rocker Arm Shafts]]   * [[techtalk:​evo:​engmech04l|Stabilizing Noisy Rocker Arm Shafts]]
   * [[techtalk:​evo:​engmech04q|Removing / Installing Pushrods and Tubes]]   * [[techtalk:​evo:​engmech04q|Removing / Installing Pushrods and Tubes]]
 +  * [[techtalk:​evo:​engmech04s|Top End Oiling]]
 +===== Rocker Box Part Numbers =====
  
 ^{{techtalk:​miscres:​instruction_sheet_header_4.png?​nolink&​840|}}||||||| ^{{techtalk:​miscres:​instruction_sheet_header_4.png?​nolink&​840|}}|||||||
-|  1986-Up Sportster Rocker Box Part Numbers ​ |||||||+|  1986-Up Sportster Rocker Box Part Numbers ​\\ (Note: an asterisk (*) next to a number indicates that part number is an updated version and not the original part number) ​ ​|||||||
 |Year Model|Lower Box \\ Part#|Lower Box \\ Casting#​|Middle Spacer \\ Part#​|Middle Spacer \\ Casting#​|Upper Cover \\ Part#|Upper Cover \\ Casting#| |Year Model|Lower Box \\ Part#|Lower Box \\ Casting#​|Middle Spacer \\ Part#​|Middle Spacer \\ Casting#​|Upper Cover \\ Part#|Upper Cover \\ Casting#|
-|1986-1988 All|17532-86|17554-86|17533-86|17555-86|17501-86|17556-86| +|1986-1988 All|17532-86 ​\\ *17532-86A|17554-86 ​\\ *17555-86A|17533-86 ​\\ *17533-86B|17555-86 ​\\ *17580-95|17501-86 ​\\ *17501-86A|17556-86 ​\\ *17556-86A
-|  Notes:​| ​ ||||||+|  Notes:|17532-85 lower box does not have oval shaped holes on the pushrod side. \\ (crankcase air escape route to heads) \\ 17554-86 middle spacer doesn'​t have provisions for head breather umbrellas. \\ None of this is needed since 86-90 models breath through the cam cover. \\ But it's important to note that these parts can only be used on 86-90 models.||||||
 |1989 All|17532-86A|17554-86A|17533-86A|17555-86A|17501-86A|17556-86A| |1989 All|17532-86A|17554-86A|17533-86A|17555-86A|17501-86A|17556-86A|
 |  Notes:|On L89 lower boxes, {{ pdf-bulletin:​tsb0984.pdf |Click Here to view TSB M-984}} regarding sealing area around middle spacer.|||||| |  Notes:|On L89 lower boxes, {{ pdf-bulletin:​tsb0984.pdf |Click Here to view TSB M-984}} regarding sealing area around middle spacer.||||||
-|1990 All|17532-86A|17554-86A|17533-86B| ​ |17501-86A|17556-86A|+|1990 All|17532-86A|17554-86A|17533-86B|17580-95|17501-86A|17556-86A|
 |  Notes:​|Polished set.  |||||| |  Notes:​|Polished set.  ||||||
-|1991 All|17532-86A|17554-86A|17533-89| ​ |17501-86A|17556-86A|+|1991 All|17532-86A ​\\ *17532-86E|17554-86A|17533-89 ​\\ *17533-90A|  |17501-86A ​\\ *17501-86B|17556-86A|
 |  Notes:​| ​ |||||| |  Notes:​| ​ ||||||
-|1992-1994 All|17532-86A|17554-86A|17533-90|17555-90|17501-86A|17556-86A|+|1992-1994 All|17532-86A ​\\ *17532-86E|17554-86A|17533-90 ​\\ *17533-90A|17555-90 ​\\ *17580-95|17501-86A ​\\ *17501-86B|17556-86A ​\\ *17581-95|
 |  Notes:​|Polished set.|||||| |  Notes:​|Polished set.||||||
-|1995-2003 All except \\ 883R, 1200C, 1200S)|17532-86B \\ 17532-86E|17579-95|17533-90A|17580-95|17501-86B|17581-95|+|1995-2003 All except \\ 883R, 1200C, 1200S)|17532-86B \\ *17532-86E|17579-95|17533-90A|17580-95|17501-86B|17581-95|
 |  Notes:​|Polished set.|||||| |  Notes:​|Polished set.||||||
-|1996-2003 1200C|17537-96 \\ 17537-96C|17579-95 \\ 17579-95C|17538-96|17580-95|17551-96|17581-95|+|1996-2003 1200C|17537-96 \\ *17537-96C|17579-95 \\ *17579-95C|17538-96|17580-95|17551-96|17581-95|
 |  Notes:​|Chrome set.|||||| |  Notes:​|Chrome set.||||||
-|1998-2003 1200S|17614-98 \\ 17614-98C|17579-95 \\ 17579-95C|17533-90A|17580-95|17527-98|17581-95|+|1998-2003 1200S|17614-98 \\ *17614-98C|17579-95 \\ *17579-95C|17533-90A|17580-95|17527-98|17581-95|
 |  Notes:​|Silver powder coated set.|||||| |  Notes:​|Silver powder coated set.||||||
-|2002-2003 883R|17532-86B \\ 17532-86E|17579-95|17535-02| ​ |17501-86B| ​ |+|2002-2003 883R|17532-86B \\ *17532-86E|17579-95|17535-02| ​ |17501-86B| ​ |
 |  Notes:​|Polished set.  |||||| |  Notes:​|Polished set.  ||||||
-|2004-2006 883, \\ 883C, 883L|17532-86C \\ 17532-86E|17579-95B| ​ N/A  ||17501-04|17581-04|+|2004-2006 883, \\ 883C, 883L|17532-86C \\ *17532-86E|17579-95B| ​ N/A  ||17501-04|17581-04|
 |  Notes:​|Polished set.|||||| |  Notes:​|Polished set.||||||
-|2004-2006 1200C|17537-96A \\ 17537-96C|17579-95B \\ 17579-95C| ​ N/A  ||17551-04|17581-04| +|2004-2006 1200C|17537-96A \\ *17537-96C|17579-95B \\ *17579-95C| ​ N/A  ||17551-04|17581-04| 
-|  Notes:​|Chrome.|||||| +|  Notes:​|Chrome ​set. \\ 17537-96A and 17537-96B lower boxes have slots in the gasket channel on the valve side of the box. \\ The slots can cause gasket leaks and lower box ..537-96C (no slots) replaced them both. \\ {{ pdf-bulletin:​tsb1168A.pdf |Click Here to view TSB M-1168A}} in the Sportsterpedia.|||||| 
-|2004-2005 \\ 883R, 1200R|17614-98A \\ 17614-98B \\ 17614-98C|17579-95A \\ 17579-95B \\ 17579-95C| ​ N/A  ||17527-04| ​ |+|2004-2005 \\ 883R, 1200R|17614-98A \\ *17614-98B \\ *17614-98C|17579-95A \\ *17579-95B \\ *17579-95C| ​ N/A  ||17527-04| ​ |
 |  Notes:​|Silver powder coated set.|||||| |  Notes:​|Silver powder coated set.||||||
-|2006 883R|17614-98A \\ 17614-98B \\ 17614-98C|17579-95A \\ 17579-95B \\ 17579-95C| ​ N/A  ||17655-05| ​ | +|2006 883R|17614-98A \\ *17614-98B \\ *17614-98C|17579-95A \\ *17579-95B \\ 17579-95C| ​ N/A  ||17655-05| ​ | 
-|  Notes:​|Silver bottom, black top.|||||| +|  Notes:​|Silver ​powder coated ​bottom, black powder coated ​top.|||||| 
-|2006 1200R|17645-06| ​ |  N/A  ||17655-05| ​ | +|2006 1200R|17645-06 ​\\ *17645-06A|  |  N/A  ||17655-05| ​ | 
-|  Notes:​|Black ​bottom, black top.||||||+|  Notes:​|Black ​powder coated set.||||||
 |2007-2009 883, 883C, \\ 883L, 1200N|17532-07|17579-07| ​ N/A  ||17501-04|17581-04| |2007-2009 883, 883C, \\ 883L, 1200N|17532-07|17579-07| ​ N/A  ||17501-04|17581-04|
 |  Notes:​|Polished set.  |||||| |  Notes:​|Polished set.  ||||||
Line 48: Line 50:
 |  Notes:​|Chrome set.|||||| |  Notes:​|Chrome set.||||||
 |2007-2009 883R, 883N|17614-07|17579-07| ​ N/A  ||17655-05| ​ | |2007-2009 883R, 883N|17614-07|17579-07| ​ N/A  ||17655-05| ​ |
-|  Notes:​|Silver bottom, black top.|||||| +|  Notes:​|Silver ​powder coated ​bottom, black powder coated ​top.|||||| 
-|2007-2009 1200R|17645-07 \\ 17645-07A| ​ |  N/A  ||17655-05| ​ |+|2007-2009 1200R|17645-07 \\ *17645-07A| ​ |  N/A  ||17655-05| ​ |
 |  Notes:​|Black powder coated set. -07A is wrinkle black powder coat.|||||| |  Notes:​|Black powder coated set. -07A is wrinkle black powder coat.||||||
 |2009 XR1200|17590-08| ​ |  N/A  ||17585-08| ​ | |2009 XR1200|17590-08| ​ |  N/A  ||17585-08| ​ |
-|  Notes:​|Silver set. ||||||+|  Notes:​|Silver ​powder coated ​set.||||||
 |2010-2016 883C, 883L, \\ 1200N, 1200X|17532-07A|17579-07A| ​ N/A  ||17501-04|17581-04| |2010-2016 883C, 883L, \\ 1200N, 1200X|17532-07A|17579-07A| ​ N/A  ||17501-04|17581-04|
 |  Notes:​|Polished set.|||||| |  Notes:​|Polished set.||||||
Line 58: Line 60:
 |  Notes:​|Chrome set.|||||| |  Notes:​|Chrome set.||||||
 |2010-2014 883R, 883N, \\ 1200CP, 1200CA, 1200CB|17614-07A| ​ |  N/A  ||17655-05|17581-04| |2010-2014 883R, 883N, \\ 1200CP, 1200CA, 1200CB|17614-07A| ​ |  N/A  ||17655-05|17581-04|
-|  Notes:​|Silver bottom, black top.||||||+|  Notes:​|Silver ​powder coated ​bottom, black powder coated ​top.||||||
 |2010 XR1200|17590-08A| ​ |  N/A  ||17585-08| ​ | |2010 XR1200|17590-08A| ​ |  N/A  ||17585-08| ​ |
-|  Notes:​|Silver set.||||||+|  Notes:​|Silver ​powder coated ​set.||||||
 |2010-2013 XR1200X|17591-10| ​ |  N/A  ||17615-10| ​ | |2010-2013 XR1200X|17591-10| ​ |  N/A  ||17615-10| ​ |
 |  Notes:​|Black set.|||||| |  Notes:​|Black set.||||||
 |2015-2016 883R, 883NN, \\ 1200CP, 1200CA, 1200CB|17598-07A| ​ |  N/A  ||17655-05| ​ | |2015-2016 883R, 883NN, \\ 1200CP, 1200CA, 1200CB|17598-07A| ​ |  N/A  ||17655-05| ​ |
-|  Notes:​|Silver bottom, black top.||||||+|  Notes:​|Silver ​powder coated ​bottom, black powder coated ​top.||||||
  
  
 ===== Rocker Box Gaskets ===== ===== Rocker Box Gaskets =====
-\\ +[[techtalk:​evo:​engmech07|Click Here]] to reference breather valves/​installation/​sealing in the Sportsterpedia. ​\\ 
-==== Top cover gaskets ​==== + 
-^{{techtalk:​miscres:​instruction_sheet_header_4.png?​nolink&​840|}}||| +Below is a list of factory ​gaskets ​used on Sportster rocker boxes. \\ 
-|91-03|17353-89C|Rocker ​cover gasket (includes cutouts for the breather to fit into). Gasket ​17353-89B also usable. \\ No breather ​seal required. | +Original part numbers are listed first with known superseded part numbers below the original ones. \\ 
-|04-06|17353-89C|Rocker cover gasket (includes cutouts for the breather ​to fit into). Only use -89C gasket. ​\\ No breather seal required. See [[http://​sportsterpedia.com/​lib/​exe/​fetch.php/​pdf-bulletin:​tt0253.pdf|TT#​253]].| +Pics of the different part numbers are listed to the right in the chart. Click on the link to open a picture of the part. \\ 
-|07-16|17362-07|Rocker cover gasket (does not include cutouts for the breather to fit into).  \\ 17393-07 breather seal (required with rocker ​cover gasket 17362-07)|+While a complete updated list is difficult to maintain, this list may help find updated as well as NOS gaskets. \\ 
 +Check the notes section for particulars as gaskets have changed over the years. \\ 
 + 
 +^{{techtalk:​miscres:​instruction_sheet_header_4.png?​nolink&​840|}}||||| 
 + ​Sportster Rocker Box Gaskets ​ ||||| 
 +|Year Model|Position|Part#​|Notes|Pics| 
 +|1986-1990|Upper (cover gasket)|17354-86 \\ 17354-86A|-86 - cork gaskets replaced in 1989 by -86A. \\ -86A - rubber gaskets.|{{techtalk:​evo:​engmech:​1986-1988_sportster_rocker_box_cover_gasket_17354-86_by_deep_south_cycles.jpg?​linkonly|-86}} ((photo courtesy of Deep South Cycles, [[https://​www.ebay.com/​str/​deepsouthcycles|Link to Eaby Store]] )) \\ {{ :​techtalk:​evo:​engmech:​1986-1990_sportster_rocker_box_cover_gasket_17354-86a_by_harleyguys.jpg?​linkonly |-86A}} ((photo courtesy of Ebay seller, harleyguys [[https://​www.ebay.com/​str/​used2bviperizer2?​_trksid=p2047675.l2563|Link to Ebay Store]] ))| 
 +|:::|Lower (middle section)|17353-86 \\ 17353-86A|-86 - cork gaskets replaced in 1989 by -86A. \\ -86A - rubber gaskets.|{{ :​techtalk:​evo:​engmech:​1986-1988_sportster_rocker_box_middle_section_gasket_17353-86_by_robison_motorcycles.jpg?​linkonly |-86}} ((photo courtesy of Ebay seller, Robison Motorcycles [[ https://​www.ebay.com/​str/​robisonmotorcycles?​_trksid=p2047675.l2563 |Link to Ebay Store]] )) \\ {{ :​techtalk:​evo:​engmech:​1986-1990_sportster_rocker_box_middle_section_gasket_17353-86a_by_fox_cycle_works.jpg?​linkonly |-86A}} ​ ((photo courtesy of Fox Cycle Works, [[https://​www.ebay.com/​str/​foxcycleworks?​_trksid=p2047675.m3561.l2563|Link to Ebay Store]] ))| 
 +|:::|Inner (bottom section)|17358-84 \\ 17358-84A|Small rectangle gasket on top of bottom section. \\ -84 - cork gaskets replaced in 1989 by -84A. \\ -84A - rubber gaskets.|{{ :​techtalk:​evo:​engmech:​1986-1988_sportster_inner_rocker_box_gasket_17358-84_by_jrsvintageharley1990.jpg?​linkonly |-84}} ((photo courtesy of Ebay seller, jrsvintageharley1990. [[https://​www.ebay.com/​str/​jrsvintageharleyparts?​_trksid=p2047675.l2563|Link to Ebay Store]] ​ ))| 
 +|:::|Head (bottom section)|(L) 16779-84A \\ (R) 16778-84|Beaded gaskets between lower section and heads.| \\ {{ :​techtalk:​evo:​engmech:​1986-1990_rocker_box_bottom_section_right_gasket_16778-84_by_jrsvintageharley1990.jpg?​linkonly |-84}} ((photo courtesy of Ebay seller, jrsvintageharley1990. [[https://​www.ebay.com/​str/​jrsvintageharleyparts?​_trksid=p2047675.l2563|Link to Ebay Store]] ​ ))| 
 +|:::|Cover screw washer|6114 \\ 63858-49|Washer seals against air intake or exhaust. \\ 6114 - Reusable copper, replaced by fiber (1987) \\ -49 - Fiber washer, reusable unless breaks or erodes.|{{ :​techtalk:​evo:​engmech:​1986-2003_sportster_rocker_box_cover_washer_6114_by_57harleyrider.jpg?​linkonly |6114}} ((photo courtesy of Ebay seller, 57harleyrider. [[https://​www.ebay.com/​str/​57harleyrider|Link to Ebay Store]] )) \\ {{ :​techtalk:​evo:​engmech:​1986-2003_sportster_rocker_box_cover_washers_63858-49_by_robisonmotorcycles.jpg?​linkonly |-49}} ((photo courtesy of Ebay seller, Robison Motorcycles [[ https://​www.ebay.com/​str/​robisonmotorcycles?​_trksid=p2047675.l2563 |Link to Ebay Store]] ))| 
 +|1991-2003|Upper (cover gasket)|17354-89| ​ |{{ :​techtalk:​evo:​engmech:​1991-2003_rocker_box_cover_gasket_17354-89_by_rusty_dusty_motorocycle_parts.jpg?​linkonly |-89}} ​((photo courtesy of Ebay seller, Rusty Dusty Motorcycle Parts. [[https://​www.ebay.com/​str/​bialystreasures|Link to Ebay Store]] ))| 
 +|:::|Lower (middle section)|17353-89 \\ 17353-89A \\ 17353-89B \\ 17353-89C|-89 is black, has round breather ​holes \\ -A, -B, -C gaskets redesigned \\ several times for 04-06 models. \\ Original -89 Ok to use on 91-03 models.|{{ :​techtalk:​evo:​engmech:​1991-2003_sportster_rocker_box_middle_section_gasket_17353-89_by_hudsonvalleymotorcycleparts.jpg?​linkonly |-89}} ((photo courtesy of Northway Motorcycle Parts. [[https://​www.ebay.com/​str/​northwayparts?​_trksid=p2047675.m3561.l2563|Link to Ebay Store]] ​)) \\ {{ :​techtalk:​evo:​engmech:​1991-2006_sportster_rocker_box_middle_section_gasket_17353-89c_by_harleyguys.jpg?​linkonly |-89C}} ((photo courtesy of Ebay seller, harleyguys [[https://​www.ebay.com/​str/​used2bviperizer2?​_trksid=p2047675.l2563|Link to Ebay Store]] ))| 
 +|:::|Inner (bottom section)|17358-84A|Small rectangle gasket on top of bottom section.| 
 +|:::|Head (bottom section)|(L) 16779-84A, \\ (R) 16778-84A|Gasket ​between lower box and heads.| ​ | 
 +|:::|Cover screw washer|63858-49|Fiber washer seals against air intake. \\ Reusable unless breaks or erodes. \\ Copper washer (6114) Ok to use as well.|{{ :​techtalk:​evo:​engmech:​1986-2003_sportster_rocker_box_cover_washers_63858-49_by_robisonmotorcycles.jpg?​linkonly |-49}} ((photo courtesy of Ebay seller, Robison Motorcycles [[ https://​www.ebay.com/​str/​robisonmotorcycles?​_trksid=p2047675.l2563 |Link to Ebay Store]] ))| 
 +|:::​|Umbrella valve|26856-89|Not a gasket but rather a breather ​valve. \\ Good maintenance to replace when cover is off.|See \\ [[techtalk:​evo:​engmech07|Breather page]]
 +|:::|Full gasket kit|17036-91|Includes all original gaskets above.| ​ | 
 +|2004-2006|Lower (cover gasket)|17353-89A \\ 17353-89B \\ 17353-89C|Cover gasket (includes cutouts for breather ​valve). \\ -89A has slots and locating tabs over breather holes. \\ The edges are also rounded. \\ -89B (2-15-05) has slots but no locating tabs. \\ It's black and the edges are cut square. ((HD TSB #M-1168A dated 11-10-2005)) \\ **Only use -89C gasket**. No breather seal required. ​\\ It's brown with slots and locating tabs. \\ See [[http://​sportsterpedia.com/​lib/​exe/​fetch.php/​pdf-bulletin:​tt0253.pdf|TT#​253]].|{{ :​techtalk:​evo:​engmech:​1991-2006_sportster_rocker_box_middle_section_gasket_17353-89c_by_harleyguys.jpg?​linkonly |-89C}} ((photo courtesy of Ebay seller, harleyguys [[https://​www.ebay.com/​str/​used2bviperizer2?​_trksid=p2047675.l2563|Link to Ebay Store]] ))
 +|:::|Inner (bottom section)|17358-84A|Small rectangle gasket on top of bottom section.| 
 +|:::|Head (bottom section)|16800-84|One piece gasket ​between lower box and head.| ​ | 
 +|:::​|Breather valves|(F) 26010-04|Directional and cannot be installed backwards.|See \\ [[techtalk:​evo:​engmech07|Breather page]]| 
 +|:::​|:::​|(R) 26011-04|:::​|:::​| 
 +|2007-Present|Upper (cover gasket)|17362-07 \\ 17362-07B \\ 17362-07C|Does ​not include cutouts for the breather ​valve. \\ 17393-07 breather seal required. \\ -07, thin orange rubber. \\ -07A, thin orange crush dimpled rubber.\\ -07B, thin black rubber. \\ -07C, thin crush dimpled black rubber.| | 
 +|:::|Inner (bottom section)|17695-07 \\ 17695-07A \\ 17695-07B \\ 17695-07C|-07 thin orange rubber, top of bottom section. \\ -07A, orange rubber with crush dimples. \\ -07B, thin black rubber, \\ -07C, thin black rubber with crush dimples.| \\ {{ :​techtalk:​evo:​engmech:​2007-up_sportster_inner_rocker_box_gasket_17695-07a_by_mg000000.jpg?​linkonly |-07A}} ((photo courtesy of Royal Motorworks Citroen Parts Plus, [[https://​www.ebay.com/​str/​royalmotorworkscitroenpartsplus?​_trksid=p2047675.m3561.l2563|Link ​to Ebay Store]] ​)) \\ {{ :​techtalk:​evo:​engmech:​2007-up_sportster_rocker_cover_inner_gasket_17695-07b_by_on_any_sunday_1961.jpg?​linkonly |-07B}} ((photo courtesy of  
 +Vintage Acquisitions,​ [[https://​www.ebay.com/​str/​onanysunday1961?​_trksid=p2047675.m3561.l2563|Link to Ebay Store]] )) \\ {{ :​techtalk:​evo:​engmech:​2007-up_sportster_rocker_box_inner_cover_gasket_17695-07c_by_1rosesofwood.jpg?​linkonly |-07C}} ((photo courtesy of Ebay seller,​1rosesofwood,​ [[https://​www.ebay.com/​str/​rosesofwood?​_trksid=p2047675.m3561.l2563|Link to Ebay Store]] ))| 
 +|:::|Head (bottom section)|16800-84A|One piece gasket between lower box and head.| ​ 
 +|:::​|Breather valves ​\\ (plastic units)|(F) 26012-07|Not a gasket but rather a breather ​valve. \\ Good maintenance to replace when cover is off. \\ Directional and cannot be installed backwards. \\ Same breather units as 04-06, ​seal included.|See \\ [[techtalk:​evo:​engmech07|Breather page]]| 
 +|:::|:::|(R) 26020-07|:::​|:::​| 
 +|:::​|Breather valve seal|17393-07|Required to seal the breather valve into their holes \\ in the lower rocker ​box section.|{{:​techtalk:​evo:​engmech:​2007-present_sportster_breather_seal_gasket_17393-07_by_fox_cycle_works.jpg?​linkonly|-07}} ((photo courtesy of Fox Cycle Works, [[https://​www.ebay.com/​str/​foxcycleworks?​_trksid=p2047675.m3561.l2563|Link to Ebay Store]] ))|
  
-===== Pushrods =====+====== Pushrods ​======
 Pushrod lean angle on 91-up engines. Pushrod lean angle on 91-up engines.
 The lifters are square to the lifter bore but they'​re not quite square to the rocker arm slot for the pushrod. \\ The lifters are square to the lifter bore but they'​re not quite square to the rocker arm slot for the pushrod. \\
Line 82: Line 113:
 In the pics below, a inside bore gauge is lined up app. straight from the lifter bore to the rocker arm slot for the pushrod. \\ In the pics below, a inside bore gauge is lined up app. straight from the lifter bore to the rocker arm slot for the pushrod. \\
 This is the app. lean angle of the pushrods between the lifter and the rocker arm. \\ This is the app. lean angle of the pushrods between the lifter and the rocker arm. \\
-The pushrod angle also changes as the rocker arm moves thru it's arc while the valve is opened and closed. ((Tomcatt of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2074861&​page=3)) \\+The pushrod angle also changes as the rocker arm moves thru it's arc while the valve is opened and closed. ((Tomcatt of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​efi-sportster-motorcycle-talk-2007-and-up/​198138-lifters/​page3?​t=2074861&​page=3)) \\
  
 {{:​techtalk:​evo:​engmech:​pushrod_lean_angle_1_by_hippysmack.jpg?​direct&​300|}} ((photo by Hippysmack)) {{:​techtalk:​evo:​engmech:​pushrod_lean_angle_2_by_hippysmack.jpg?​direct&​300|}} ((photo by Hippysmack)) \\ {{:​techtalk:​evo:​engmech:​pushrod_lean_angle_1_by_hippysmack.jpg?​direct&​300|}} ((photo by Hippysmack)) {{:​techtalk:​evo:​engmech:​pushrod_lean_angle_2_by_hippysmack.jpg?​direct&​300|}} ((photo by Hippysmack)) \\