Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
techtalk:ih:oil03x [2024/09/25 15:55] – [1952-1966 Competition Oil Pumps - Parts Lists and Information] hippysmacktechtalk:ih:oil03x [2025/08/26 02:45] (current) – [1952-1955 production K Models and 1952-1957 Competition KR, KRTT and KHRTT] hippysmack
Line 88: Line 88:
  
 Special thanks to the The French Owl for providing period specific parts catalogs. \\ Special thanks to the The French Owl for providing period specific parts catalogs. \\
-Parts List:((1954 KR, KRTT, KHRTT Parts Catalog)) ((1956 KR, KRTT, KHRTT Parts Catalog)) ((1957 KR, KRTT, KHRTT Parts Catalog)) \\+Parts List:((1954 KR, KRTT, KHRTT Parts Catalog)) ((1956 KR, KRTT, KHRTT Parts Catalog)) ((1957 KR, KRTT, KHRTT Parts Catalog)) ((1959 KR, KRTT, KHRTT Parts Catalog)) \\
 ^{{techtalk:miscres:instruction_sheet_header_4.png?nolink&830|}}|||||||||| ^{{techtalk:miscres:instruction_sheet_header_4.png?nolink&830|}}||||||||||
 |Oil Pump \\ Assembly|Oil Pump \\ Body|Upper Cover \\ Breather Tower \\ (52-53)|Upper Cover \\ Breather Tower \\ (54-56)|Lower Cover \\ Plate|Oil Pump \\ Drive Gear \\ (52-53)|Oil Pump \\ Drive Gear \\ (54-55)|Feed \\ Gear \\ (driver)|Feed \\ Gear \\ (idler)|Return \\ Gear \\ (driver)| |Oil Pump \\ Assembly|Oil Pump \\ Body|Upper Cover \\ Breather Tower \\ (52-53)|Upper Cover \\ Breather Tower \\ (54-56)|Lower Cover \\ Plate|Oil Pump \\ Drive Gear \\ (52-53)|Oil Pump \\ Drive Gear \\ (54-55)|Feed \\ Gear \\ (driver)|Feed \\ Gear \\ (idler)|Return \\ Gear \\ (driver)|
Line 105: Line 105:
  
 Special thanks to the The French Owl for providing period specific part catalogs. \\ Special thanks to the The French Owl for providing period specific part catalogs. \\
-Parts List:((1970 XR-750 Parts Catalog)) ((1958-1968 Competition Sportster XLRTT and KR-KRTT Models)) \\+Parts List: ((1956 KR, KRTT, KHRTT Parts Catalog)) ((1957 KR, KRTT, KHRTT Parts Catalog)) ((1959 KR, KRTT, KHRTT Parts Catalog)) \\
 ^{{techtalk:miscres:instruction_sheet_header_4.png?nolink&830|}}|||||||||| ^{{techtalk:miscres:instruction_sheet_header_4.png?nolink&830|}}||||||||||
 |Oil Pump \\ Assembly|Oil Pump \\ Body|Upper Cover \\ Breather \\ Tower|Lower Cover \\ Plate|Oil Pump \\ Drive Gear|Feed \\ Gear \\ (driver)|Feed \\ Gear \\ (idler)|Return \\ Gear \\ (driver)|Return \\ Gear \\ (idler)|Idler Gear \\ Shaft| |Oil Pump \\ Assembly|Oil Pump \\ Body|Upper Cover \\ Breather \\ Tower|Lower Cover \\ Plate|Oil Pump \\ Drive Gear|Feed \\ Gear \\ (driver)|Feed \\ Gear \\ (idler)|Return \\ Gear \\ (driver)|Return \\ Gear \\ (idler)|Idler Gear \\ Shaft|
Line 157: Line 157:
  
 Special thanks to the The French Owl for providing period specific part catalogs. \\ Special thanks to the The French Owl for providing period specific part catalogs. \\
-Parts List:((1970 XR-750 Parts Catalog)) ((1958-1968 Competition Sportster XLRTT and KR-KRTT Models)) \\+Parts List: ((1959 KR Parts Catalog)) ((1965 KR Parts Catalog)) ((1968 KR Parts Catalog)) ((1970 XR-750 Parts Catalog)) ((1958-1968 Competition Sportster XLRTT and KR-KRTT Models)) \\
 ^{{techtalk:miscres:instruction_sheet_header_4.png?nolink&830|}}|||||||||| ^{{techtalk:miscres:instruction_sheet_header_4.png?nolink&830|}}||||||||||
 |Oil Pump \\ Assembly|Oil Pump \\ Body|Upper Cover \\ Breather \\ Tower|Lower Cover \\ Plate|Oil Pump \\ Drive Gear|Feed \\ Gear \\ (driver)|Feed \\ Gear \\ (idler)|Return \\ Gear \\ (driver) \\ (58-64)|Return \\ Gear \\ (driver) \\ (65-69)|Return \\ Gear \\ (idler)| |Oil Pump \\ Assembly|Oil Pump \\ Body|Upper Cover \\ Breather \\ Tower|Lower Cover \\ Plate|Oil Pump \\ Drive Gear|Feed \\ Gear \\ (driver)|Feed \\ Gear \\ (idler)|Return \\ Gear \\ (driver) \\ (58-64)|Return \\ Gear \\ (driver) \\ (65-69)|Return \\ Gear \\ (idler)|
Line 165: Line 165:
 | Bypass \\ Ball \\ (no tail)|Feed \\ Bypass \\ Spring|Feed \\ Bypass \\ Plug|Pump \\ Gasket \\ Lower|Pump \\ Gasket \\ Upper|Pump \\ Gasket \\ Mounting|  |||| | Bypass \\ Ball \\ (no tail)|Feed \\ Bypass \\ Spring|Feed \\ Bypass \\ Plug|Pump \\ Gasket \\ Lower|Pump \\ Gasket \\ Upper|Pump \\ Gasket \\ Mounting|  ||||
 |8866|26374-53R|26423-52R|26258-52|26259-52|26256-52|:::|||| |8866|26374-53R|26423-52R|26258-52|26259-52|26256-52|:::||||
 +
 Pics: click on any pic to enlarge. ((photos courtesy of Robert Evans)) \\ Pics: click on any pic to enlarge. ((photos courtesy of Robert Evans)) \\
  
Line 199: Line 200:
 **Rendering the bypass inoperable** on competition model pumps: \\ **Rendering the bypass inoperable** on competition model pumps: \\
 Since these pumps are for competition only, it is counter productive to block the bypass system. Since these pumps are for competition only, it is counter productive to block the bypass system.
 +
 +Bypass oil path from oil pump to cam chest. ((photos courtesy of Ebay seller, oldiron_10, edited by Hippysmack [[https://www.ebay.com/sch/i.html?item=403952880197&rt=nc&_trksid=p2047675.m3561.l2562&_ssn=oldiron_10|Link to Items For Sale page]] )). \\
 +{{:techtalk:ih:oil:1952_k_model_case_-_feed_oil_bypass_by_oldiron.jpg?direct&400|}}
 ===== 1958-1969 KR, KRTT, KHRTT, XLR, XLRTT and 1970 Iron XR-750 Pump ===== ===== 1958-1969 KR, KRTT, KHRTT, XLR, XLRTT and 1970 Iron XR-750 Pump =====
 All these models use oil pump body (26217-58R) which is machined with an internal feed bypass system to lower oil flow to the motor. \\ All these models use oil pump body (26217-58R) which is machined with an internal feed bypass system to lower oil flow to the motor. \\
Line 213: Line 217:
  
  
 +{{:techtalk:ih:oil:1958-1971_kr-750_krtt_xlr_xr-750_xlrtt_oiling_paths_by_hawghd1.jpg?direct&400|}} \\
  
 \\ \\
  
 [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]] [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]]

Trace: