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techtalk:evo:oil03m [2019/03/06 04:46]
hippysmack [Gearshaft]
techtalk:evo:oil03m [2019/03/06 23:04] (current)
hippysmack [Body]
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 ====== EVO: Oiling & Lubrication - Sub-03M ====== ====== EVO: Oiling & Lubrication - Sub-03M ======
-====== 91-97 Oil Pump (26204-91) Parts (approximate) Dims ====== +===== 97 Oil Pump (26204-91) ​Individual ​Parts and Pics ===== 
-====== Pump Assembly with Bottom Cover Casting Number (26487-90A) ====== +See also [[techtalk:​evo:​oil03n#​oil_pump_26204-91_parts_approximate_dims|97 Oil Pump (26204-91) Parts (approximate) Dims]] \\
-See also [[techtalk:​evo:​oil03k#​oil_pump_26204-91_individual_parts_and_pics|91-97 Oil Pump (26204-91) ​Individual ​Parts and Pics]] \\+
 More on the [[techtalk:​evo:​oil01|Evo Sportster Oiling System]] in the Sportsterpedia. \\ More on the [[techtalk:​evo:​oil01|Evo Sportster Oiling System]] in the Sportsterpedia. \\
  
 +====== Pump Assembly with Bottom Cover Casting Number (26487-90A) ======
 +
 +Oil is routed from the oil pump into the oil filter pad and then into a horizontal feed galley in the top of the gearcase. \\
 +The oil pump has one feed fitting in the front routed to the filter pad.
 +
 +|  91-97 oil path from pump ((photo by Hippysmack)) ​ |  Parts list ((photo by Hippysmack)) ​ |
 +|{{:​techtalk:​evo:​oil:​91-97_oil_pump_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​91-97_oil_pump_2_by_hippysmack.jpg?​direct&​300|}}|
 +
 +===== Cover Casting Number (26487-90A) =====
 +
 +**There are 2 versions of this pump although the catalog part number did not change**. \\
 +The 91-96 version has pump body casting p/n in 26485-90 in the return cavity and pump cover casting p/n 26487-90. \\
 +The 97 version has pump body casting p/n in 26485-90A in the return cavity and pump cover casting p/n 26487-90A. \\
  
 +The separator plate, thrust washer, retaining ring and both feed and gerotor sets are identical in each version. \\
 +The gear dims are also the same. \\
 +However, the gearshaft in the -90A pump is .005" longer than the one in the -90 pump. \\
 +The gearshaft for the -90A pump can be identified by having six hash marks across the top of the gear. \\
 ===== Body ===== ===== Body =====
 +|{{:​techtalk:​evo:​oil:​26485-90a_oil_pump_body_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​26485-90a_oil_pump_body_2_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​26485-90a_oil_pump_body_3_by_hippysmack.jpg?​direct&​300|}}|
  
 +|{{:​techtalk:​evo:​oil:​26485-90a_oil_pump_body_4_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​26485-90a_oil_pump_body_5_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​26485-90a_oil_pump_body_6_by_hippysmack.jpg?​direct&​300|}}|
  
-===== Gearshaft ​=====+|{{:​techtalk:​evo:​oil:​26485-90a_oil_pump_body_8_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​26485-90a_oil_pump_body_9_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​26485-90a_oil_pump_body_7_by_hippysmack.jpg?​direct&​300|}}| 
 +===== Cover =====
  
-|{{:​techtalk:​evo:​oil:​91-97_oil_pump_gearshaft_dim_10_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​91-97_oil_pump_gearshaft_dim_12_by_hippysmack.jpg?​direct&​300|}}+|{{:​techtalk:​evo:​oil:​26487-90a_oil_pump_cover_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​26487-90a_oil_pump_cover_2_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​26487-90a_oil_pump_cover_5_by_hippysmack.jpg?​direct&​300|}}|
-===== Thrust Washer ===== +
-|{{:​techtalk:​evo:​oil:​6157_oil_pump_thrust_washer_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​6157_oil_pump_thrust_washer_2_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​6157_oil_pump_thrust_washer_3_by_hippysmack.jpg?​direct&​300|}}|+
  
-===== Retaining Ring ===== +|{{:​techtalk:​evo:​oil:​26487-90a_oil_pump_cover_3_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​26487-90a_oil_pump_cover_4_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​26487-90a_oil_pump_cover_6_by_hippysmack.jpg?​direct&​300|}}|
-|{{:​techtalk:​evo:​oil:​11002_oil_pump_retaining_ring.jpg?​direct&​300|}}|+
  
-===== Feed Gerotors ​===== +===== Gearshaft ​===== 
-|{{:​techtalk:​evo:​oil:​91-97_oil_pump_feed_inside_gerotor_dim_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​91-97_oil_pump_feed_inside_gerotor_dim_2_by_hippysmack.jpg?​direct&​300|}}|+There are two different gearshafts used for the two different pump casting numbers even though the catalog part # stayed the same\\ 
 +Visually, they are identical. \\ 
 +However, the gearshaft used in the pump with bottom casting # 26487-90A is .005" longer and has six hash marks across the top of the gear to distinguish it\\
  
-|{{:​techtalk:​evo:​oil:​91-97_oil_pump_feed_outside_gerotor_dim_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​91-97_oil_pump_feed_outside_gerotor_dim_2_by_hippysmack.jpg?​direct&​300|}}|+|{{:​techtalk:​evo:​oil:​91-97_oil_pump_gearshaft_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​91-97_oil_pump_gearshaft_2_by_hippysmack.jpg?​direct&​300|}}|
  
 +|{{:​techtalk:​evo:​oil:​91-97_oil_pump_gearshaft_3.2_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​91-97_oil_pump_gearshaft_4_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​91-97_oil_pump_gearshaft_5_by_hippysmack.jpg?​direct&​300|}}|
  
-===== Return Gerotors ===== 
-|{{:​techtalk:​evo:​oil:​91-97_oil_pump_return_inside_gerotor_dim_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​91-97_oil_pump_return_inside_gerotor_dim_2_by_hippysmack.jpg?​direct&​300|}}| 
  
-|{{:​techtalk:​evo:​oil:​91-97_oil_pump_return_outside_gerotor_dim_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​91-97_oil_pump_return_outside_gerotor_dim_2_by_hippysmack.jpg?​direct&​300|}}|+===== Gerotors =====
  
 +|{{:​techtalk:​evo:​oil:​91-97_oil_pump_gerotors_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​91-97_oil_pump_gerotors_2_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​91-97_oil_pump_gerotors_3_by_hippysmack.jpg?​direct&​300|}}|
 ===== Separator Plate ===== ===== Separator Plate =====
-|{{:​techtalk:​evo:​oil:​91-97_oil_pump_separator_plate_dim_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​91-97_oil_pump_separator_plate_dim_2_by_hippysmack.jpg?​direct&​300|}}|+The 91 and up oil pumps only have 1 separator plate. \\ 
 + 
 +|{{:​techtalk:​evo:​oil:​91-97_oil_pump_separator_plate_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​evo:​oil:​91-97_oil_pump_separator_plate_2_by_hippysmack.jpg?​direct&​300|}}|
  
 \\ \\
 +
  
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