This is an old revision of the document!
EVO: Suspension - Sub-01C
1994 XLH Front Forks Disassembled - Measurements w/Pictures
The following information was collected when the stock 1994 Front Forks
were disassembled to be cleaned and the internal springs were replaced
with a set of Progressive-brand progressively wound springs.
Actual Measurements from a 1994 Std Model Sportster Front Fork | |
---|---|
Slider Tube Length (45395-92) | 24.250in |
Slider Outside Diameter | 1.532in |
Leg Length (45921-87 -or- 45923-87) | 16.375in |
Leg Asbl'd Length- To Top of Cap | 17.125in |
Spring Length (45376-94) | 21.500in |
Spring Outside Diameter | 1.190in |
Spring - Number of Coils | 53 |
Spring Coil Wire Diameter | .180in |
Spring Single Rate - Gap | .242in |
Spring Protrudes out of Slider (Fork Ext'd) | 1.375in |
(no preload spacer used) | |
Damper Tube Length (45925-94) | 9.500in |
Damper Tube Outside Diameter | .715in |
Damper Tube Head OD | 1.175in |
Damper Tube Holes (4) Diameter | .298in |
Top Out Spring Length (45374-87) | 1.890in |
Top Out Spring Outside Diameter | 1.20in |
Top Out Spring - Number of Coils | 7 |
Top Out Spring Coil Wire Diameter | .196in |
Top Out Spring Single Rate - Gap | .130in |
Assembled Fork | |
Top of Damper Tube to Top of Slider (no cap) (Fork Comp'd) | 14.438in |
Top of Leg Cap to Top of Slider (Fork Ext'd) | 15.125in |
Top of Leg Cap to Top of Slider (Fork Comp'd) | 9.563in |
Therefore → Maximum Full Travel Equals | 5.562in |
Pictures from a disassembled 1994 Front Fork:
Reference Additional Information on the 1986-2003 models in these XLForum Threads:
Thanks to jaystellato for contributing to this conversation:
http://xlforum.net/vbportal/forums/showthread.php?t=2004931
http://xlforum.net/vbportal/forums/showthread.php?t=1971682