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techtalk:ref:engmech07 [2020/10/18 04:29]
hippysmack [Sub Documents]
techtalk:ref:engmech07 [2020/11/03 21:27]
hippysmack [OEM oil paths and engine breathing drawings]
Line 77: Line 77:
 There were several changes made of the valve itself, but they operate on the same principle as a one way breather valve. \\ There were several changes made of the valve itself, but they operate on the same principle as a one way breather valve. \\
  
 +==== OEM oil paths and engine breathing drawings ====
  
 +{{:​techtalk:​ref:​engmech:​1957-1971_sportster_crankcase_pressure_path_by_hippysmack.png?​direct&​500|}} ((drawing by Hippysmack)) \\
 +
 +{{:​techtalk:​ref:​engmech:​1972-1976_sportster_crankcase_pressure_path_by_hippysmack.png?​direct&​750|}} ((drawing by Hippysmack)) \\
 +
 +{{:​techtalk:​ref:​engmech:​1977-1985_sportster_crankcase_pressure_path_by_hippysmack.png?​direct&​500|}} ((drawing by Hippysmack)) \\
 ====== Engine Breather Valves ====== ====== Engine Breather Valves ======
 ===== Sub Documents ===== ===== Sub Documents =====
Line 85: Line 91:
   * [[techtalk:​ref:​engmech07h|Oil Drainback and Supplemental Air Intake from Breather Valves]]   * [[techtalk:​ref:​engmech07h|Oil Drainback and Supplemental Air Intake from Breather Valves]]
   * [[techtalk:​ref:​engmech07i|Dissecting the 77-78 Breather (foo-foo) Valve (24634-77)]]   * [[techtalk:​ref:​engmech07i|Dissecting the 77-78 Breather (foo-foo) Valve (24634-77)]]
 +  * [[techtalk:​ref:​engmech07j|Further Study of the 79-E82 Reed Valve]]
   * [[techtalk:​ref:​engmech07s|XR-750 8-Ball Breather Valve]]   * [[techtalk:​ref:​engmech07s|XR-750 8-Ball Breather Valve]]
   * [[techtalk:​ref:​engmech05|Breather Venting / Relocation]] (list of breathing mods and aftermarket breathers for 1977-up engines)   * [[techtalk:​ref:​engmech05|Breather Venting / Relocation]] (list of breathing mods and aftermarket breathers for 1977-up engines)
Line 111: Line 118:
   * [[techtalk:​ref:​engmech07b|Affects of the 45° Rod / Piston Arrangement]]   * [[techtalk:​ref:​engmech07b|Affects of the 45° Rod / Piston Arrangement]]
   * [[techtalk:​ref:​engmech07c|Differential Pressure]]   * [[techtalk:​ref:​engmech07c|Differential Pressure]]
-  * [[techtalk:​ref:​engmech04r|Vacuum at Different Elevations]]+  * [[techtalk:​ref:​engmech04r|Air Pressure and Vacuum at Different Elevations]]
   * [[techtalk:​ref:​engmech07d|Blowby and Ring Seal]]   * [[techtalk:​ref:​engmech07d|Blowby and Ring Seal]]
   * [[techtalk:​ref:​engmech07f|Liquid Drag vs Fluid Drag]]   * [[techtalk:​ref:​engmech07f|Liquid Drag vs Fluid Drag]]