Posted by Steve07...
Here is the chart
Harley Model Size
XL Sportster
Sportster & K 1954-72 33.4 mm
Sportster 1973-74 (Kayaba Forks) 35 mm
XLH, XLCH, XLRC 1975-83; XLX & XLS 1983 only 35 mm
XLS 1979-82 (Showa Forks) 35 mm
Sportster 1984-E86 35 mm Fine Thread
Sportster with Showa forks from late 1986-87 35 mm Coarse Thread
Sportster with Showa Fork 1988-2003 (except Sport Edition, Convertible, FXRT & 1992-2000 Hugger) 39 mm
Dyna & FX
FX 1971-72 33.4 mm
FX & FXE 1973-76 (Kayaba Forks) 35 mm
FX, FXE& FXEF (Showa Forks) 1976-83 35 mm
FXS, FXB, FXSB, FXR & FXRS 1977-83 (Showa Forks) 35 mm
FXRT & FXRD 1983-86; FXSB 1984-85; FXRS Sport Edition 1985-86 35 mm
FXE & FXEF 1984-85; FXR 1984-86 (except FXRT, FXRD & Sport Edition) 35 mm Fine Thread
FXR (except FXRD, FXRT & Sport Edition) with Showa forks from late 1986-87 35 mm Coarse Thread
FXRT with Showa Fork 1987 only 35 mm
FXR with Showa Fork 1988-2003 (except Sport Edition, Convertible, FXRT & 1992-2000 Hugger) 39 mm
FXRS Sport Edition, FXRS Convertible & FXRT with Showa forks 1987-93 39 mm
FXWG 1980-83 41 mm
FXWG & Dyna Wide Glide 1984-99 41 mm
FXDWG 2000-05 41 mm
FXD & FXDWG 2006-09 49 mm
FL Touring
FL & FLH 1949-E77 41 mm
FL, FLH, FLHS late 1977-84 & all FLT/FLHT 1980-83 41 mm
5 Speed FLT, FLHT, FLHS & Road King 1984-96 41 mm
2000-01 FLT, FLHT & 2000-08 FLHR 41 mm
FL & FXST Softail
Hertiage Softail & Fat Boy 1986-99 41 mm
FXST, FXSTC 1984-99 41 mm
FLSTC/F, FXST 2000-09 41 mm
42 mm
Here is the chart
Harley Model Size
XL Sportster
Sportster & K 1954-72 33.4 mm
Sportster 1973-74 (Kayaba Forks) 35 mm
XLH, XLCH, XLRC 1975-83; XLX & XLS 1983 only 35 mm
XLS 1979-82 (Showa Forks) 35 mm
Sportster 1984-E86 35 mm Fine Thread
Sportster with Showa forks from late 1986-87 35 mm Coarse Thread
Sportster with Showa Fork 1988-2003 (except Sport Edition, Convertible, FXRT & 1992-2000 Hugger) 39 mm
Dyna & FX
FX 1971-72 33.4 mm
FX & FXE 1973-76 (Kayaba Forks) 35 mm
FX, FXE& FXEF (Showa Forks) 1976-83 35 mm
FXS, FXB, FXSB, FXR & FXRS 1977-83 (Showa Forks) 35 mm
FXRT & FXRD 1983-86; FXSB 1984-85; FXRS Sport Edition 1985-86 35 mm
FXE & FXEF 1984-85; FXR 1984-86 (except FXRT, FXRD & Sport Edition) 35 mm Fine Thread
FXR (except FXRD, FXRT & Sport Edition) with Showa forks from late 1986-87 35 mm Coarse Thread
FXRT with Showa Fork 1987 only 35 mm
FXR with Showa Fork 1988-2003 (except Sport Edition, Convertible, FXRT & 1992-2000 Hugger) 39 mm
FXRS Sport Edition, FXRS Convertible & FXRT with Showa forks 1987-93 39 mm
FXWG 1980-83 41 mm
FXWG & Dyna Wide Glide 1984-99 41 mm
FXDWG 2000-05 41 mm
FXD & FXDWG 2006-09 49 mm
FL Touring
FL & FLH 1949-E77 41 mm
FL, FLH, FLHS late 1977-84 & all FLT/FLHT 1980-83 41 mm
5 Speed FLT, FLHT, FLHS & Road King 1984-96 41 mm
2000-01 FLT, FLHT & 2000-08 FLHR 41 mm
FL & FXST Softail
Hertiage Softail & Fat Boy 1986-99 41 mm
FXST, FXSTC 1984-99 41 mm
FLSTC/F, FXST 2000-09 41 mm
42 mm