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EVO: Suspension


Rear Shock Info

Sub-Documents

1986-2003 Springs (Except 1200S)

Complete Shock and Spring Assemblies 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11)
YearModelPart #Standard/ Option
1986-1987XLH 88354568-82 (2)Standard
1988-199054566-88 (2)Standard
1991-199354566-91 (2)Standard
1994-199654566-94 (2)Standard
1997-200354566-97 (2)Standard
1999-2003883 Custom54568-92 (2)Standard
1986-1987XLH 883 Deluxe54568-82 (2)Standard
1988-199054566-88 (2)Standard
1991-199354566-91 (2)Standard
1994-199654566-94 (2)Standard
1987-1990XLH 883 Hug54568-82 (2)Standard
199154568-91 (2)Standard
1993-200354568-92 (2)Standard
2002-2003XL 883 Roadster54566-97 (2)Standard
1986XLH 1100 Liberty54568-82 (2)Standard
1986-1987XLH 110054568-82 (2)Standard
1987XLH 1100 Anniversary54568-82 (2)Standard
1988-1990XLH 120054566-88 (2)Standard
1991-199354566-91 (2)Standard
1994-199654566-94 (2)Standard
1997-200354566-97 (2)Standard
1996-2003XL 1200C54568-92 (2)Standard

1996-2003 Springs For 1200 Sport Model

  • Length is 13.5“ “eye to eye”.
  • The factory dampers for piggyback shocks for S models are now obsolete from the MoCo and not rebuild-able 12). So when they go bad, they have to be replaced either with a used or aftermarket set.
  • Some spring weights:
    • The 1200S shocks have a 54/78 lb/in spring. 13)
    • The 12.5” 412 has a standard 75/120 lb/in spring for 180 lb riders. 14)
    • The 12“ 412 has a 90/130 spring. 15)
  • Be careful, if you need to replace the bushings, not to crack the dampening wheel at the bottom of the shock. 16)
Complete Shock and Spring Assemblies 17) 18) 19) 20) 21) 22) 23) 24)
YearModelLeftRightStandard/ Option
1996-1997XL 1200S54542-9654552-96Standard
1998-2003XL 1200S54542-96A54552-96AStandard

2004-later Springs

Complete Shock and Spring Assemblies 25) 26) 27) 28) 29) 30) 31) 32) 33) 34) 35)
YearModelPart #Standard/ OptionShock
Travel
Spring
Free
Length
Spring
Rate
(lbs per inch).
Spring
Installed
Length
Spring
Preload
(ft/lbs)
2004-2008XL883 Domestic54566-04 (2)Standard3.25” 36)11.33“ 37)69 38)9.64” 39)116 40)
200954566-09 (2)Standard
200954566-09 (2)Standard
2004-2008XL883C Domestic54568-04 (2)Standard
2009-201054568-09 (2)Standard
2005-2006XL883L Domestic54568-04 (2)Standard
2007-201054626-07 (2)Standard
2011-201554568-09 (2)Standard
2009XL883N Domestic54540-07 (2)Standard
2010-201554550-10 (2)Standard
2010-2013HDI, England, Australia54570-09 (2)Standard
2011-2013Asia-PacificStandard
2013IndiaStandard
2014-2015HDIStandard
2014-2015Japan54550-10Standard
2005-2008XL883R Domestic54570-05 (2)Standard
2009-201554570-09 (2)Standard
2007XL-50 (1200) Domestic54568-04 (2)Standard
2004-2008XL1200C Domestic54568-04 (2)Standard
2009-2010
2012-2015
54568-09 (2)Standard
2013XL1200C Anniv Domestic54568-09 (2)Standard
2013-2015XL1200CA Domestic54568-09 (2)Standard
2013-2015XL1200CB Domestic54568-09 (2)Standard
2012-2015XL1200CP Domestic54568-09 (2)Standard
2007-2008XL1200L Domestic54568-04 (2)Standard
2009-201054568-09 (2)Standard
201154568-09 (2)Standard
2007-2009XL1200N Domestic54540-07 (2)Standard
2010-201254550-10 (2)Standard
HDI, England, Australia54570-09 (2)Standard
2011-2012Asia-PacificStandard
2004-2008XL1200R Domestic54566-04 (2)Standard3.25“ 41)11.33” 42)69 43)9.64“ 44)116 45)
200954566-09 (2)Standard
2015XL1200T54000060 (10 1/2”) (L)
54000061 (10 1/2“) (R)
Standard (Showa)
w/ dial adjuster (L)
w/o dial adjuster (R)
More Info & Testing
201654000060 (10 1/2”) (L)
54000100 (R)
2013-2015XL1200V Domestic54568-09 (2)Standard
2010-2015XL1200X Domestic54550-10 (2)Standard
HDI, England54568-09 (2)Standard
2013England, Australia
Asia-Pacific, India
Standard
2014-2015HDIStandard
2014-2015Japan54550-10Standard
2009-2010XR1200 Domestic54668-08 (2)Standard -
Re-designed top mount
2010-2013XR1200X Domestic54671-10 (L)
54700-10 (R)
Standard -
Piggy-backs


2006-2007 1200L

  • 2007 Harley 1200 Low Springs 100 pounds per inch progressive wound (but built by Harley to go progressive too late to help much. It goes to hard rate at a spring height of 6“ or a shock length of about 10.5”) 46)
  • 2006 Harley 1200 R shocks a little too much low extension damping but appears to be acceptable 47)
    • Preload adjuster set to full hard to give about 20lb. of spring preload at 13.25 c to c on the shock (the only setting that is acceptable due to spring length). 48)
    • Ride height ends up 1.33“ from full compression, (with a 200 lb. rider) and 1.9” from full extension (bike on a jack) 12.5“ shock c to c with the bike on the Low stand. 49)
  • Shock length fully extended: 13.25” (you are in this range any time you crest a hill at high speed the trick is to keep the tire on the road at all cost) 50)
  • Shock length with bike straight up no rider weight: 12.1“ (you are in this range every time the road goes down, it happens just as often as the road goes up) 51)
  • Shock length with a 200 lb. rider: 11.4” (you are in this range right after a raised or rising bump) 52)
  • This is all spring rate trying to save hardware.
    • Shock length fully compressed 10“ 53)
    • Shock length with the bike on the kickstand 12.5” (this is a bling thing and it's not significant for handling. 54)

Screaming Eagle Piggyback Shocks


1)
1986-1990 HD Parts Catalog pg 72
2)
1991-1992 HD Sportster Parts catalog pg 68
3)
1993-1994 HD Sportster Parts Catalog pg 68
4) , 17)
1995-1996 HD Sportster Parts Catalog pg 70
5)
1997 HD Sportster Parts Catalog pg 63
6) , 19)
1998 HD Sportster Parts Catalog pg 66
7) , 20) , 31)
1999 HD Sportster Parts Catalog pg 70
8) , 21) , 32)
2000 HD Sportster Parts Catalog pg 70
9) , 22) , 33)
2001 HD Sportster Parts Catalog pg 72
10) , 23) , 34)
2002 HD Sportster Parts Catalog pg 72
11) , 24) , 35)
2003 HD Sportster Parts Catalog pg 72
18)
1997 HD Sportster Parts Catalog pg 70
25)
2004 HD Parts Catalog pg 68
26)
2005 HD Sportster Parts catalog pg 72
27)
2006 HD Sportster Parts Catalog pg 72
28)
2007 HD Sportster Parts Catalog pg 75
29)
2008 HD Sportster Parts Catalog pg 75
30)
2009 HD Sportster Parts Catalog pgs 113, 115
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