[[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] ====== IH: Oiling & Lubrication - Sub-03F ====== ====== 57-76 Oil Pump - Individual Parts and Pics ====== ===== Sub Documents ===== * [[techtalk:ref:engmech04k|Breather Valves (1957-Up)]] (list of breather valve changes) * [[techtalk:ref:engmech07g|Further Study of the Timed Breather Valve]] ====== Oil Check Ball and Spring ====== See also [[techtalk:ih:oil03g#check_ball_seat_repair|Check ball seat repair]] in the IH Oil Pump section of the Sportsterpedia. \\ The oil pump check ball is in the front of the oil pump. It's a spring and a steel ball set up. \\ The red area in the pic below is the spring & ball sit. \\ Used until mid 1958, the tail of check fits inside the hollow center guide bore of the fitting. ((photo by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/129161-while-waiting-on-the-paint-to-dry-and-we-thought-it-was-the-ballcheck/page2?t=1347614&page=2)) \\ Note that there is no inner face seal surface on the fitting to further isolate the pressure switch port from the 'backside' of the check. \\ {{:techtalk:ih:oil:57-76_oil_pump_check_valve_location_by_ironheadjunkie_annotated_by_hippysmack.jpg?direct&300|}} ((photo by ironheadjunkie of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/137313-flywheel-plug-oil-pump-check-valve?t=1490437)) \\ {{:techtalk:ih:oil:oil_pump_check_spring_by_dr_dick.jpg?direct&300|}} {{:techtalk:ih:oil:oil_pump_check_ball_57-58_sportster_by_dr_dick.jpg?direct&300|}} \\ There were 3 springs used from 52-76. ((Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/154753-oil-pump-spring-wake-up-call/page2?t=1661356&page=2)) \\ (52-56 also used a second valve- pressure relief). \\ - 52-E57: (26363-36) - L57-E72: (26364-57) * Wire length: 1-15/64" ((The Doctor71 of the XLFORUM of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/154753-oil-pump-spring-wake-up-call?t=1661356)) * Wire O.D.: ≈ 0.0250" ((The Doctor71 of the XLFORUM of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/154753-oil-pump-spring-wake-up-call?t=1661356)) - L72-76 (26364-72) * Wire length: 1-7/16" ((The Doctor71 of the XLFORUM of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/154753-oil-pump-spring-wake-up-call?t=1661356)) * Wire O.D.: ≈ 0.0250" ((The Doctor71 of the XLFORUM of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/154753-oil-pump-spring-wake-up-call?t=1661356)) This is suppose to be a NOS 67 Pump Spring. \\ L = 1.215" Wire Gauge = .024" |{{:techtalk:ih:oil:1967_oil_pump_spring_by_monte03.jpg?direct&300|}}| | 67 oil pump spring. ((photo by Monte03 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/97533-no-oil-to-topend/page3?t=823881&page=3))| |{{:techtalk:ih:oil:oil_pump_check_spring_by_dr_dick.jpg?direct&300|}}|{{:techtalk:ih:oil:oil_pump_check_springs_by_fergerburger.jpg?direct&300|}}|{{:techtalk:ih:oil:oil_pump_check_springs_by_the_doctor71.jpg?direct&300|}}| | 52-E57 ((photo by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/154753-oil-pump-spring-wake-up-call/page2?t=1661356&page=2)) | (L) L57-E72 - (R) L72-76 ((photo by fergerburger of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/154753-oil-pump-spring-wake-up-call?t=1661356)) | (Bottom) L57-E72 - (Top) L72-76 ((photo by The Doctor71 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/154753-oil-pump-spring-wake-up-call?t=1661356)) | ====== Rear Feed Nipple or Plug ====== Starting in 1967, the oil feed from the tank was plumbed directly into the oil pump on the rear side on XLH motors. \\ The feed from the tank stayed plumbed to the top of the rear case on XLCH motors thru 1969. \\ In 1970, the feed on XLCH motors was now plumbed to the oil pump as well. The feed nipple (63533-41) is a 1/8"-27 x 3/8" Bose barb fitting. \\ Using the same pump for both XLH and XLCH, this required a pipe plug installed there for XLCH motors from 1967-1969. \\ The plug is a 1/8"-27 NPT pipe plug. 2 part numbers were used and both are interchangeable. \\ Part# (45831-48) used from 1967-1968 while part# (45830-48) used in 1969. \\ 1952-1956 K models also had a feed line plug there in the parts book part# (26424-52). \\ | Oil pump on 1967 XLCH w/ feed plug ((photo by ss396 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/173827-crankcase-drain-plug/page4?t=1864035&page=4)) | |{{:techtalk:ih:oil:1967_xlch_oil_pump_1_by_ss396.jpg?direct&300|}}| ====== Breather Gears ====== (Missing below is the -'56 breather gear and long full profile woodruff scavenge drive key and snap-ring). ((Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page14?postcount=204#post2437070)) |Breather Gears ((photos by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page14?postcount=204#post2437070)) |Some of amf's signature quality control. \\ These are 3 - 72 breather gears.((photos by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page14?postcount=204#post2437070))|A closer view((photos by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page14?postcount=204#post2437070))| |{{:techtalk:ih:oil:breather_gears_by_dr_dick.jpg?direct&300|}}|{{:techtalk:ih:oil:breather_gears_2_by_dr_dick.jpg?direct&300|}}|{{:techtalk:ih:oil:breather_gears_3_by_dr_dick.jpg?direct&300|}}| |The 2 different breather housings((photos by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page14?postcount=204#post2437070))|Feed Gear Sets((photos by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page14?postcount=204#post2437070))| |{{:techtalk:ih:oil:breather_housings_by_dr_dick.jpg?direct&300|}}|{{:techtalk:ih:oil:feed_gear_sets_by_dr_dick.jpg?direct&300|}}| |More often than not the solid pin was a slipfit in cross hole.((photos by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page14?postcount=204#post2437070))| |{{:techtalk:ih:oil:roll_pin-solid_pin_sets_by_dr_dick.jpg?direct&300|}}| |On to the bodies. The 2nd text is "26217-56a L58-e62"((photos by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page14?postcount=204#post2437070))|| |{{:techtalk:ih:oil:oil_pump2-2_by_dr_dick.jpg?direct&300|}}|{{:techtalk:ih:oil:oil_pump2-2-_by_dr_dick.jpg?direct&200|}}| |The 4 different scavenge gear sets. \\ Lined up from early in foreground to later in background. \\ This is to show the height progression.((photos by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page14?postcount=204#post2437070))|Top view of all 4 sets.((photos by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page14?postcount=204#post2437070))|A closer view of the height changes.((photos by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page14?postcount=204#post2437070))| |{{:techtalk:ih:oil:scavaenge_gear_sets_1_by_dr_dick.jpg?direct&220|}}|{{:techtalk:ih:oil:scavaenge_gear_sets_2_by_dr_dick.jpg?direct&300|}}|{{:techtalk:ih:oil:scavaenge_gear_sets_3_by_dr_dick.jpg?direct&300|}}| \\ [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]]