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| techtalk:ih:oil03x [2024/09/25 15:54] – [1952-1966 Production K-Model Oil Pumps - Parts Lists and Information] hippysmack | techtalk:ih:oil03x [2025/08/26 02:45] (current) – [1952-1955 production K Models and 1952-1957 Competition KR, KRTT and KHRTT] hippysmack | ||
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| ====== IH: Oiling & Lubrication - Sub-03X ====== | ====== IH: Oiling & Lubrication - Sub-03X ====== | ||
| - | ====== 1952-1969 Production K-Model Oil Pumps - Parts Lists and Information ====== | + | ====== 1952-1956 Production K-Model Oil Pumps - Parts Lists and Information ====== |
| \\ | \\ | ||
| ===== 1952-1954 K/KK/KH Model Pump ===== | ===== 1952-1954 K/KK/KH Model Pump ===== | ||
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| - | ====== 1952-1966 Competition Oil Pumps - Parts Lists and Information ====== | + | ====== 1952-1969 Competition Oil Pumps - Parts Lists and Information ====== |
| ===== 1952-1955 KR, KRTT, KHRTT Pump ===== | ===== 1952-1955 KR, KRTT, KHRTT Pump ===== | ||
| * Pump Speed is 1/4 of the engine RPM. | * Pump Speed is 1/4 of the engine RPM. | ||
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| 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 |
| ^{{techtalk: | ^{{techtalk: | ||
| |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)| | ||
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| 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 List: ((1956 KR, KRTT, KHRTT Parts Catalog)) ((1957 KR, KRTT, KHRTT Parts Catalog)) ((1959 KR, KRTT, KHRTT Parts Catalog)) \\ |
| ^{{techtalk: | ^{{techtalk: | ||
| |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| | ||
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| 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)) |
| ^{{techtalk: | ^{{techtalk: | ||
| |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)| | ||
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| | 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|::: | ||
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| Pics: click on any pic to enlarge. ((photos courtesy of Robert Evans)) \\ | Pics: click on any pic to enlarge. ((photos courtesy of Robert Evans)) \\ | ||
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| **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:// | ||
| + | {{: | ||
| ===== 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. \\ | ||
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| + | {{: | ||
| \\ | \\ | ||
| [[: | [[: | ||
