Frame ID Numbers

There are two table listed here. The first is Frame ID Numbers - 1981 and Later.
The second table is Motorcycle ID Numbers 1970-1980.

Frame ID Numbers - 1981 and Later

Example: 1HD1AAK11BYO13478

The frame number is broken

down like this:

1 HD 1 AA K 1 1 B Y 013278

1  = Made in U.S.A.

HD = Harley Davidson

1  = Weight Class

     1 = Heavyweight

     4 = Lightweight

     8 = Sidecar

AA = Model Designation

K  = Engine Displacement

     K = 1340 Shovelhead

     H = 1000 Ironhead XL

     L = 1340 Evolution

     M = 883 Evolution XL

     N = 1100 Evolution XL

     P = 1200 Evolution XL

1  = Introdution Date

     1 = Regular Introdution

     2 = Mid-Year (January)

     3 = California Special

     4 = Daytona (March)

1  = Check Digit

B  = Model Year

     B = 1981     C = 1982

     D = 1983     E = 1984

     F = 1985     G = 1986

     H = 1987     J = 1988

     K = 1989     L = 1990

     M = 1991     N = 1992

     P = 1993     R = 1994

     S = 1995     T = 1996

     U = 1997

Y  = Plant of Manufacture (York, PA)

T  = Plant of Manufacture (Tomahawk, WI)

J  = Plant of Manufacture (Milwaukee, WI)

013278 = Sequential Number

FL/FX Models

AA  FLH - 80

AB  FLHP - 80 Chain

AC  FLH - 80 Shrine Chain

AD  FLH - Classic

AG  FLH - Classic w/ sidecar

AH  FLHP - 80 Belt Deluxe

AJ  FLH - 80 Heritage

AK  FLHS - 80

AL  FLH - 80 Shrine Belt

BA  FXE - 80

BB  FXEF - 80

BC  FXS - 80

BD  FXB - 80

BE  FXWG - 80

BF  FXSB - 80

BG  FXDG

BH  FXST

BJ  FLST/FLSTC

BK  FXSTC

BL  FXSTS

BM  FLSTF

BN  FLSTN

BP  FXSTSB

FLT/FXR Police Models

DA  FLHTP - Windshield 1984 and later

DF  FLHTP - Fairing

ED  FXRP - Windshield

EF  FXRP - Fairing

EK  FXRP - C.H.P.

FLT/FXR Models

AE  1981 FLT

AF  1981 FLTC

DA  FLT 1982 and 1983 only

DB  FLTC

DC  FLHT

DD  FLHTC

DE  FLHTC w/ Sidecar

DG  FLHTC Shrine

DH  FLTC w/Sidecar

DJ  FLHTC 1986 - present

DK  FLTC Shrine

DM  FLTCU - Ultra

DN  FLTCU - Ultra w/Sidecar

DP  FLHTCU - Ultra

DR  FLHTCU - Ultra w/Sidecar

DS  FLTCU - Ultra Shrine

DT  FLHTCU - Ultra Shrine

EA  FXR

EB  FXRS

EC  FXRT

EE  FXRDG

EG  FXRS-SP  Sport Edition

EH  FXRD

EJ  FXRC

EL  FXLR

EM  FXRS - CON

FA  FLHS

FB  FLHR-I Injected

FC  FLHTCU-I Injected

FD  FLHR

FE  FLTCU-I Injected

FF  FLHTC-I Injected

Dyna Glides

GA  FXDB-D Daytona

GB  FXDB-S Sturgis

GC  FXDC

GD  FXDL

GE  FXDWG

GG  FXDS-CON

GH  FXD

XL Models

CA  XLH

    XLH 1000cc 1981 - 1985

    XLH 883 1986 - 1987

    XLH 883 Deluxe

    XLH 1100

    XLH 883 1988 - present

    XLH 1200

CB  XLS 1981 - 1985

CC  XLX 1981 - 1985

CD  XR-1000, 1983 - 1985

CE  XLH 883 Hugger 1987 - present

CF  XLH 883 Deluxe 1988 - present

CG  XLH 1200 Custom

CH  XLH 1200 Sport

Sidecars

SA  CLE Purchased w/FLH

SD  CLE Purchased w/FLH

SE  CLE Separate

SF  TLE Purchased w/FLTC/FLHTC

SG  TLE Separate

SH  CLE Purchased w/FLHX

GX  TLE

HX  RLE

KX  TLE Ultra

Frame ID Numbers - 1970-1980

Motorcycle Serial Numbers

Vehicle Identification Number (V.I.N.) is located on the

engine crankcase and is the same as the number located on

frame steering head.

Example: 1A 13478 H7

1A = Model Designation

     1A = FL-1200             6E = FXEF-80

     2A = FLH-1200            7E = FLHS-1200

     3A = XLH-1000            9E = SS-250

     4A = XLCH-1000           2F = FXS-1200

     5A = GE-750              3F = SXT-125

     6A = SS-350 Sprint       4F = SS-175

     7A = SX-125              6F = SS-125

     8A = M65-S               7F = XLCR-1000

     7B = ERS                 2G = XLT-1000

     8B = MSR-100             3G = FLH-80

     2C = FX-1200             5G = FLT-80

     3C = SX-350 Sprint       6G = FXE-80

     5C = MC-65               7G = FXS-80

     6C = SR-100              9G = FXWG-80

     1D = LE Sidecar          1H = FXB-80

     2D = X-90                2H = CLE Sidecar

     3D = Z-90                3H = FLH-80 Classsic

     5D = SX-175              5H = FLHS-80

     6D = SX-250              6H = FL-80

     7D = MX-250              7H = FLH-1200 Police

     9D = FXE-1200            8H = FLH-1200 Shrine

     4E = XLS-1000            9H = FLH-80 Police

     5E = FXEF-1200           1K = FLH-80 Shrine

13478 = Sequential Number

H = Decade Code

    H = 1970 thru 1979

    J = 1980 only

7 = Model Season

    0 = 1970

    1 = 1971

    2 = 1972

    3 = 1973

    4 = 1974

    5 = 1975

    6 = 1976

    7 = 1977

    8 = 1978

    9 = 1979

Crankcase Identification Numbers

Numbers located on both left and right crankcase halves.

Big Twin: Left Case - Outside, Lower Front

          Right Case - Inside, Gearcase Compartment

XL Models: Left Case - Inside, Primary Compartment

           Right Case - Outside, Near Oil Pump

Stamped at Capitol Drive Facility

Used to identify engine and track production changes

Example: 1588 321 007

15 = Engine Designation

     1 = 1200cc Shovelhead

     7 = 1000cc Iron XL

     14 = 1340cc Shovelhead

     15 = 1340cc Evolution

     16 = XR-1000

     17 = 883cc Evolution XL

     18 = 1100cc Evolution XL

     19 = 1200cc Evolution XL

     20 = 1340cc Evolution, California (1988 - *)

     21 = 883cc Evolution XL, California (1988 - *)

     22 = 1200cc Evolution XL, California (1988 - *)

88 = Model Year

321 = Day of Production

      001 = Jan. 1st        182 = Jul. 1st

      032 = Feb. 1st        213 = Aug. 1st

      060 = Mar. 1st        244 = Sep. 1st

      091 = Apr. 1st        274 = Oct. 1st

      121 = May  1st        305 = Nov. 1st

      152 = Jun. 1st        335 = Dec. 1st

007 = Number That Day