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techtalk:evo:priclutch01 [2022/07/24 13:08] ixl2relax [Spring Plate Failure] |
techtalk:evo:priclutch01 [2023/09/11 13:45] ixl2relax [Clutch Pack Stack Height] |
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| Due to the large number of spring plate failures on 04+ models; \\ | Due to the large number of spring plate failures on 04+ models; \\ | ||
| Many owners are replacing the spring plate with two extra steel plates and one more friction plate. \\ | Many owners are replacing the spring plate with two extra steel plates and one more friction plate. \\ | ||
| - | See [[techtalk:evo:priclutch01#spring_plate_failure|Spring Plate Failure]] below. \\ | + | See below for [[techtalk:evo:priclutch01#spring_plate_failure|Spring Plate Failure]] and [[techtalk:ref:priclutch02|Clutch Parts & Mods - Aftermarket]] for other options.\\ |
| | Measuring the spring plate ((photos by Hippysmack)) || | | Measuring the spring plate ((photos by Hippysmack)) || | ||
| |{{:techtalk:evo:priclutch:measuring_uncompressed_spring_plate_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:priclutch:measuring_compressed_spring_plate_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:evo:priclutch:measuring_uncompressed_spring_plate_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:priclutch:measuring_compressed_spring_plate_by_hippysmack.jpg?direct&300|}}| | ||
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| - | {{:techtalk:evo:priclutch:clutch-stackheight-chart.jpg?600}}((Annotated by IXL2Relax at the XLForum)) | + | {{:techtalk:evo:priclutch:clutch-stackheight-chart.jpg?650}}((Annotated by IXL2Relax at the XLForum)) |
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| If you have a failure of the Spring Plate, with missing rivets having been strewn around the primary cavity, be sure to check everywhere those bits may have gone. The clutch basket is likely to have been scored by the failure. When the rivets fail, the spring strips that the rivets were holding will now slip out from between the steel plates of the spring plate. Exactly where the spring plate is located in the stack these spring strips make a gouge in the clutch basket (and in the clutch hub). This will require careful filing to remove any burrs created by the gouging or, if bad enough, may require replacing the clutch basket & hub. | If you have a failure of the Spring Plate, with missing rivets having been strewn around the primary cavity, be sure to check everywhere those bits may have gone. The clutch basket is likely to have been scored by the failure. When the rivets fail, the spring strips that the rivets were holding will now slip out from between the steel plates of the spring plate. Exactly where the spring plate is located in the stack these spring strips make a gouge in the clutch basket (and in the clutch hub). This will require careful filing to remove any burrs created by the gouging or, if bad enough, may require replacing the clutch basket & hub. | ||
| - | Use a fine file and carefully check & smooth every finger of the clutch basket that has a gouge (see the pic below). You want to file the side and top corner where the finger is gouged. DO NOT FILE more than necessary to smooth that corner. It is not necessary to remove the flat portion of the gouge from the finger because, as the plates are designed, they ride on the sides of the fingers & not the top flat portion. File off only enough for a perfectly smooth movement along the side face (and top inward corner) of the fingers. If not properly repaired, the new plates will not move smoothly to release the clutch during dis-engagement. | + | Use a fine file and carefully check & smooth every finger of the clutch basket that has a gouge (see the pic below). You want to file the side and top corner where the finger is gouged. DO NOT FILE more than necessary to smooth that side face & corner. It is not necessary to remove the flat portion of the gouge from the finger. Due to the friction plate design, they ride on the sides of the fingers & not the top flat portion (this applies to the hub fingers as well). File off only enough metal for a perfectly smooth movement along the side face and inward corners of the fingers. **If not properly repaired, the new plates will not move smoothly to release the clutch during dis-engagement.** |
| - | Also, the existing clutch plates (either steels or frictions) may have been warped or otherwise damaged during the spring plate failure. If the Spring Plate disintegrated, it is best to replace all the steels & frictions to avoild carrying damaged parts forward to damage new parts. You should also carefully check that the Pressure Plate & Release Plate have not been damaged, nor any other primary components (chain, sprockets, etc). | + | Also, the existing clutch plates (either steels or frictions) may have been warped or otherwise damaged during the spring plate failure. If the Spring Plate failed, it is best to replace all the steels & frictions to avoild carrying damaged parts forward to damage new parts. You should also carefully check that the Pressure Plate & Release Plate have not been damaged, nor any other primary components (chain, sprockets, etc). |
| Here are images of the carnage resulting from the Spring Plate Failure:\\ | Here are images of the carnage resulting from the Spring Plate Failure:\\ | ||
