Differences
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techtalk:evo:priclutch01 [2019/08/16 17:00] ixl2relax [Clutch Design & Operation] |
techtalk:evo:priclutch01 [2019/08/16 17:30] ixl2relax [Upgrade Clutch Diaphragm Springs - Pressure] |
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| On the other hand, for 1991-1993 models, which also have five-speed transmissions, while the clutch operation is the same, the Ball & Ramp Assembly is mounted to the inside of the Primary Cover (as illustrated for 1984L-1990 four-speed models). This necessitates the removal of the Primary Cover in order to replace either the B&R unit or the Adjuster Bearing unit on those models. | On the other hand, for 1991-1993 models, which also have five-speed transmissions, while the clutch operation is the same, the Ball & Ramp Assembly is mounted to the inside of the Primary Cover (as illustrated for 1984L-1990 four-speed models). This necessitates the removal of the Primary Cover in order to replace either the B&R unit or the Adjuster Bearing unit on those models. | ||
| - | \\ | + | **Also note** that the stock clutch diaphragm spring for both 883 & 1200 models was the same from '84-'90 (36792-84) and from 1991 to 2003 (36792-91). From 2004-later, the 883 models used a lighter diaphragm spring: 883 uses 37910-04B & 1200 uses 37924-04A. |
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| - | Also note that the clutch pressure plate for 883 models changed in 2004. From 2004-later, the 883 models used a lighter clutch pressure plate, while previously, both the 883 & 1200 models were the same.((http://hammerperf.com/883conversions.shtml)) | + | |
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| ===== Upgrade Clutch Diaphragm Springs - Pressure ===== | ===== Upgrade Clutch Diaphragm Springs - Pressure ===== | ||
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| + | Below are a list of upgrade versions. The 'xx% stronger' are claimed values by the respective vendors. | ||
| **L1984-90 Sportster** | **L1984-90 Sportster** | ||
