Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
|
techtalk:ref:svcproc21 [2018/08/31 03:12] hippysmack [Static Leakage] |
techtalk:ref:svcproc21 [2019/01/09 03:42] ixl2relax [REF: Troubleshooting - Engine - 04] |
||
|---|---|---|---|
| Line 1: | Line 1: | ||
| [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | ||
| - | ====== REF: Troubleshooting - Engine - 04 ====== | + | ====== REF: Service Procedures 21 ====== |
| ====== Cylinder Leak-Down Test ====== | ====== Cylinder Leak-Down Test ====== | ||
| Line 19: | Line 19: | ||
| * These are both fancy names for a deceptively simple process (installing an air gauge in the spark plug hole and noting the results). ((GOTWA of the XLFORUM http://xlforum.net/forums/showthread.php?t=26208)) | * These are both fancy names for a deceptively simple process (installing an air gauge in the spark plug hole and noting the results). ((GOTWA of the XLFORUM http://xlforum.net/forums/showthread.php?t=26208)) | ||
| * A compression test checks the cylinder's maximum pressure ability. A low reading reflects poor sealing of the chamber. | * A compression test checks the cylinder's maximum pressure ability. A low reading reflects poor sealing of the chamber. | ||
| - | * See [[techtalk:ref:trouble03|Performing a Compression Test]] in the REF section of the Sportsterpedia. | + | * See [[techtalk:ref:svcproc20|Performing a Compression Test]] in the REF section of the Sportsterpedia. |
| * Generally if a compression test shows anything suspect, the next step is a leak down test. ((milmat1 of the XLFORUM http://xlforum.net/forums/showthread.php?t=26208&page=2)) | * Generally if a compression test shows anything suspect, the next step is a leak down test. ((milmat1 of the XLFORUM http://xlforum.net/forums/showthread.php?t=26208&page=2)) | ||
| * A leak-down test checks the cylinder's ability to hold pressure (seal) and will reflect where the leak is occuring. | * A leak-down test checks the cylinder's ability to hold pressure (seal) and will reflect where the leak is occuring. | ||
| Line 54: | Line 54: | ||
| * This will ensure that both valves are and will stay closed. \\ The bike will still move however as the piston is forced downward so you still may need to hold the brakes (unless you're testing with the piston at BDC). | * This will ensure that both valves are and will stay closed. \\ The bike will still move however as the piston is forced downward so you still may need to hold the brakes (unless you're testing with the piston at BDC). | ||
| - | **Remove the timing inspection plug from the crankcase**: This will be a listening area. | + | **Remove the timing inspection plug (57-03) from the crankcase**: This will be a listening area. |
| ** Remove the air cleaner**: Another listening area. \\ | ** Remove the air cleaner**: Another listening area. \\ | ||
