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techtalk:ref:genmsr07 [2021/06/14 08:38] hippysmack [Possible Causes of a Spun Pinion Shaft Gear] |
techtalk:ref:genmsr07 [2024/01/17 21:26] hippysmack |
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| If something like this comes out when you do an oil change, find out if it's metal or brass / bronze and start diagnosing where it came from. \\ | If something like this comes out when you do an oil change, find out if it's metal or brass / bronze and start diagnosing where it came from. \\ | ||
| - | {{:techtalk:ref:genmsr:brass-bronze_found_in_oil_by_ngot8r.jpg?direct&300|}} ((photo by NGOT8R of the XLFORUM http://xlforum.net/forums/showthread.php?t=2075491)) \\ | + | {{:techtalk:ref:genmsr:brass-bronze_found_in_oil_by_ngot8r.jpg?direct&300|}} ((photo by NGOT8R of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/198661-uh-oh-brass-flakes-dust-a-lot-of-it-too-in-my-oil?t=2075491)) \\ |
| ====== The Teardown ====== | ====== The Teardown ====== | ||
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| ====== Possible Causes of Spun Cam Bushings ====== | ====== Possible Causes of Spun Cam Bushings ====== | ||
| - | + | On the cam bushings in either the cover or cases you have 3 different metals (brass/bronze/metallic) with different expansion rates so what really happens? ((rocketmangb of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/188092-cam-bushing-question-and-other-information-please/page2?t=2005347&page=2)) ((Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/188092-cam-bushing-question-and-other-information-please/page2?t=2005347&page=2)) \\ | |
| - | On the cam bushings in either the cover or cases you have 3 different metals (brass/bronze/metallic) with different expansion rates so what really happens? ((rocketmangb of the XLFORUM http://xlforum.net/forums/showthread.php?t=2005347&page=2)) ((Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2005347&page=2)) \\ | + | |
| As soon as there is initial movement of the bushing, the oil feed hole doesn't line up. \\ | As soon as there is initial movement of the bushing, the oil feed hole doesn't line up. \\ | ||
| - | After that the outside of the bushing is being oiled more than the inside of the bushing. ((A 4 liter V8 eater of the XLFORUM http://xlforum.net/forums/showthread.php?t=1756724&page=13)) \\ | + | After that the outside of the bushing is being oiled more than the inside of the bushing. ((A 4 liter V8 eater of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-engine-conversions/163447-spun-2-outer-bushing-again/page13?t=1756724&page=13)) \\ |
| ===== Installation Errors ===== | ===== Installation Errors ===== | ||
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| These items will begin a natural degradation of improper oiling and / or heat related failures: \\ | These items will begin a natural degradation of improper oiling and / or heat related failures: \\ | ||
