Harley Engine Serial Numbers

Receive detailed information by VIN Number of Harley Davidson. VIN informs you to see your vehicle specifications: model, year, engine, transmission, tires and etc. Terry's Tech - Harley VIN Numbers. Harley Davidson VIN Information. Numbers on both frame and engine. These numbers will match exactly if the bike is all. Serial and Other Numbers. Harley-Davidson stamped the serial number of a motorcycle into the left. But they will NOT match the serial number of the engine.

Harley Engine Serial Number Decoder
Harley Davidson Engine Numbers Explained

In this article of Tech Tips we’ll breakdown the progression of VIN numbers used by Harley-Davidson and explain what they all mean. That being said this article is written to be a helpful guide, and hopefully you find it as such. However, we

Harley-Davidson VIN Number Explained In this article of Tech Tips we’ll breakdown the progression of VIN numbers used by Harley. VIN number was the engine. The S&S Performance Motorcycle Engine: Origins. By Bruce Tessmer on May 23. As opposed to a company that makes go fast parts to hop up a Harley-Davidson® engine.

DO NOT provide support related to VIN numbers. So, if you are unable to find an answer to your question please DO NOT contact us. If it is not in this article, we can not help you.

Prior to 1930:

Prior to 1930 H-D VIN numbers were a bit erratic and model number designations changed frequently. Unfortunately there is very little information out there for these numbers and what information is available is not always very accurate.

From 1930 to 1962 the VIN number was the engine number and was only located on the left case. The VIN was between 8 and 10 digits with the first 2 digits being the production year, the next 2 – 4 letters being the model designation and the last 4 digits being the production number

Example:

Year	Model	Production Number
49	FL	0001

1962-1969:

From 1962 to 1969 the VIN numbers where pretty much the same as from 1930 to 1962, but if the production number had 4 digits the first digit would be odd during odd production years and even during even production years. If the production number had 5 digits the first two digits would be odd during odd production years and even during even production years.

Example:

Year	Model	Production Number
66	FLHB	22001

1970-1980:

From 1970 to 1980 the VIN number could be found on both the frame and the engine and would match exactly with the exception of a few months in 1979 which was due to an idea by the factory to make them different. The idea was quickly killed after law enforcement notified Harley-Davidson that it made the bikes look stolen. The production date range was from 1/9/1979 to 2/7/1979. The VIN numbers affected are 43000H9 through 48199H9. The engine numbers where 10 digit numerical IDs.

The VIN numbers of this era where 9 digit codes where the first two digits corresponded to the model code (see list below), the next 5 digits were the production numbers (always starting above 10,000) and the last 2 digits were the year code (see list below).

Example:

Model	Production Number	Year
2A	10859	H4

Model Codes:

1A = FL/FLP-1200	3D = Z-90	2G = XLT-1000
2A = FLH -1200	4D = XLA	3G = FLH-80
3A = XL - XLH-1000	5D = SX-175	5G = FLT-80
4A = XLCH-1000	6D = SX-250	6G = FXE-80
5A = GE-750	7D = MX-250	7G = FXS-80
6A = SS-350 Sprint	9D = FXE - 1200	9G = FXWG-80
7A = SX-125	4E = XLS-1000	1H = FXB-80
8A = M65-S	5E = FXEF-1200	2H = CLE-80 Sidecar
7B = ERS	6E = FXEF-80	3H = FLH-80 Classic
8B = MSR-100	7E = FLHS-1200	5H = FLHS-80
2C = FX -1200	9E = SS-250	6H = FL-80
3C = SX-350 Sprint	2F = FXS - 1200	7H = FLH-1200 Police
5C = MC-65	3F = SXT-125	8H = FLH-1200 Shrine
6C = SR-100	4F = SS-175	9H = FLH-80 Police
1D = LE Sidecar	6F = SS-125	1K = FLH-80 Shrine
2D = X-90	7F = XLCR-1000

Year Codes:

H0 = 1970	H3 = 1973	H6 = 1976	H9 = 1979
H1 = 1971	H4 = 1974	H7 = 1977	J0 = 1980
H2 = 1972	H5 = 1975	H8 = 1978

From 1981 to present the VIN has been a 17 digit code located on the frame and abbreviated on the engine. In this VIN the first 3 digits are the world manufacturer ID (see list below), the fourth digit is the weight class (see weight class list below). The next two letters are the model designation (see list below), the sixth digit was the engine type (see list below), the seventh digit was the introduction period (see list below), The eighth digit was the VIN check digit which could be 0-9 or X, the next letter was the model year (see list below), the letter after that was the assembly plant (see list below) and the last 6 numbers were the production numbers. If you are looking for information on a specific VIN number on a bike produced after 1981 you can look it up on Harley-Davidson's official VIN search at this link: https://serviceinfo.harley-davidson.com/sip/vehicle/lookup?vin=

Example:

World Mfg.	Class	Model	Engine	Intro	Check	Year	Plant	Production Number
1HD	1	AA	K	1	9	B	Y	158126

World Manufacturer ID:

1HD = Manufactured for sale within the United States

5HD = Manufactured for sale outside of the United States

932 = Manufactured in and for sale only in Brazil

MEG = Manufactured in and for sale only in India

Weight Class:

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1 = Heavyweight (≥ 901 cc)

Model Designation:

FL Touring Models:

AA = FLH	DJ = FLHTC	FR = FLHRCI, FLHRC
AB = FLHP	DK = FLTC Shrine	FS = FLTRI
AC = FLH	DM = FLTCU - Ultra	FT = FLHPEI
AD = FLH - Classic	DN = FLTCU - Ultra	FW = FLHR Shrine
AE = FLT	DP = FLHTC	KA = FLHX
AF = FLTC	DS = FLTCU - Ultra Shrine	KB = FLHX
AH = FLHP - Deluxe	DT = FLHTCU - Ultra Shrine	KE = FLHTK
AJ = FLH - Heritage	FA = FLHRS, FLHS	KG = FLTRU
AK = FLHS	FB = FLHRI, FLHR	KH = FLTRX
AL = FLH - Shrine	FC = FLHTCUI, FLHTCU	KX = SIDECAR TLE ULTRA
DA = FLT, FLHTP	FD = FLHR	MA = FLHTCUTG - Trike
DB = FLTC	FE = FLTCUI	MB = Trike
DC = FLHT	FF = FLHTCI, FLHTC	PF = FLSTDSE
DD = FLHT	FG = FLHTCUI	PG = FLHRSEI2
DE = FLHTC	FH = FLHPI	PR = FLHTCUSE7 - CVO
DF = FLHTP	FL = FLHTCUI, FLHTCU	PY = FLSTSE3 - CVO
DG = FLHTC Shrine	FM = FLHTPI	PZ = FLHXSE - CVO
DH = FLTC	FP = FLTR	MC = FLRT

FX/FL Dyna Glide Models:

BA = FXE	EK = FXRP - C.H.P.	GM = FXDI
BB = FXEF, FXSTDI	EL = FXLR	GN = FXDL
BC = FXS	EM = FXRS – CON	GP = FXDWG
BD = FXB	ES = FXR	GR = FXDXI
BE = FXWG	ET = FXR	GT = FXDC
BF = FXSB	EV = FXR	GV = FXDC
BG = FXDG	GA = FXDB-D Daytona	GX = TL
EA = FXR	GB = FXDB-S Sturgis	GY = FXDF
EB = FXRS	GC = FXDC	GZ = FLD
EC = FXRT	GD = FXDL	PB = FXDWG
ED = FXRP - Windshield	GE = FXDWG	PE = FXDWG3
EE = FXRDG	GG = FXDS-CON	PS = FXDSE
EF = FXRP - Fairing	GH = FXD	PX = FSDFSE
EG = FXRS-SP Sport Edition	GJ = FXDX	VA = FXDBP
EH = FXRD	GK = FXDP
EJ = FXRC	GL = FXDXT

BH = FXST	BX = FLSTF	JL = FXSTC
BJ = FLST, FLSTC	BY = FLSTC	JM = FLSTSB
BK = FXSTC	BZ = FXSTSI	JN = FLSTFB
BL = FXSTS	JA = FXSTB	JP = FXS
BM = FLSTF	JB = FXSTDI	JR = FLS
BN = FLSTN	JD = FLSTN	PF = FXSTDSE
BP = FXSTSB	JE = FLST	PH = FXSTDSE
BR = FLSTS	JF = FLSTI	PL = FLSTFSE
BS = FXSTD	JG = FLSTF	PN = FLSTFSE
BT = FXSTB	JH = FLSTC	PT = FXSTSSE
BV = FXST	JJ = FXCW	PY = FLSTSE
BW = FLSTC	JK = FXCWC	JT = FLSTFBS

XL Sportster Models:

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CA = XLH	CN = XL883	CZ = XL1200N
CB = XLS	CM = XL883L	LA = XR1200
CC = XLX	CP = XL883C	LC = XL1200X
CD = XR-1000	CR = XL883L	LD = XR1200X
CE = XL 883H	CS = XL883R	LE = XL883N
CF = XL 883 Deluxe	CT = XL1200C	LF = XL1200V
CG = XL 1200C	CV = XL1200R	LH = XL1200CP
CH = XL 1200S	CW = XL1200L	LJ = XL1200CA
CJ = XL 883C	CX = XL1200L	LK = XL1200CB
CK = XL 883R	CY = XL50

V-ROD Models:

HA = VRSCA	HF = VRSCA	HP = VRSCF
HC = VRSCR	HH = VRSCDX
HD = VRSCD	HJ = VRSCX

Street Models:

NA = XG500

NB = XG750

Engine Displacement:

A = 1130 Revolution (100 CV)	R = 1340 Evolution Fuel Injected
B = 1450 Fuel Injected Counter Balanced	S = 500 Single (Armstrong Military)
C = 1550	V = Twin Cam 88 Carburetor, 130B
D = 1550 EFI	W = Twin Cam 88 Fuel Injected
E = 1690 EFI	Y = Twin Cam 88 Counter Balanced - Carb
F = 1690 Balanced-EFI	Z = 1130 Revolution
G = 1246 Revolution EFI	1 = 1450 EFI
H = 1246 (2001-2009), 1000 Ironhead XL	2 = 883 ESPFI
J = 1246	3 = 1200 ESPFI
K = 1340 Shovelhead	4 = 1584 ESPFI
L = 1340 Evolution	5 = 1584 ESPFI, Twin Cam 96B
M = 883 Evolution XL, Twin Cam 103	6 = 1200
N = 1100 Evolution XL	8 = 1800 ESPFI
P = 1200 Evolution XL	9 = 1800 ESPFI H 1250 ESPFI
A = 500cc Liquid Cooled Revolution X	B = 749cc Liquid Cooled Revolution X

Introduction Period:

Normal Introduction	Mid-Year or Special Introduction
1 = Domestic (Normal)	2, 4 = Domestic (Mid-Year)
3 = California (Normal)	5, 6 = California (Mid-Year)
A = Canada (Normal)	B = Canada (Mid-Year)
C = International (Normal)	D = International (Mid-Year)
E = Japan (Normal)	F = Japan (Mid-Year)
G = Australia (Normal)	H = Australia (Mid-Year)
J = Brazil (Normal)	K = Brazil (Mid-Year)
L = Asia Pacific (Normal)	M = Asia Pacific (Mid-Year)
N = India (Normal)	P = India (Mid-Year)

Check Number:

The check number is used to detect invalid VINs. The number that appears varies and is based on a mathematical formula that the U.S. Department of Transportation developed.

Model Year:

A = 2010	J = 1988, 2018	T = 1996	4 = 2004
B = 1981, 2011	K = 1989, 2019	V = 1997	5 = 2005
C = 1982, 2012	L = 1990	W = 1998	6 = 2006
D = 1983, 2013	M = 1991	X = 1999	7 = 2007
E = 1984, 2014	N = 1992	Y = 2000	8 = 2008
F = 1985, 2015	P = 1993	1 = 2001	9 = 2009
G = 1986, 2016	R = 1994	2 = 2002
H = 1987, 2017	S = 1995	3 = 2003

Manufacturing Plant:

Y, B = York, PA

T = Tomahawk, WI

J = Milwaukee, WI

K = Kansas City, MO

D = Manaus, Brazil

E = Buell East Troy

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This article is written to be a helpful guide, and hopefully you found it to be so. However, we DO NOT provide support related to VIN numbers. So, if you are unable to find an answer to your question please DO NOT contact us. If it is not in this article, we can not help you. How to Identify Harley VIN Numbers

When buying any used Harley-Davidson, checking the Harley VIN numbers against the title is mandatory. If they do not match exactly you should think about looking elsewhere. Typographical errors on motorcycle registrations are sometimes very common, but don’t take any chances. In some cases a visit to your local department of motor vehicles may be enough to get a VIN typo corrected. However, when buying a Harley or other vehicle with an out of state title, the difficulty in correcting such errors increases dramatically. With strict state regulations increasing every year, you are better off avoiding any problem that may leave you holding a piece of property that cannot be documented. Not only is it illegal to drive, but you leave yourself open to unscrupulous people who could make a legal claim against you and your property.

If you have a Harley engine with matching title taken from a crashed or salvaged motorcycle, and put that engine into a new frame, the title is invalid. Anyone trying to sell you a post-1970 Harley where the title VIN only matches the engine, but does not match the number on the frame, PASS! Want to upgrade your bike to a new custom frame? You must apply for a new title. While it is nice to have an original Harley with matching engine and frame numbers, only the frame VIN is relevant when it comes to legal registration.

Never accept a Harley or other vehicles without a legal title. One such case involved an individual restoring a Harley originally purchased without proper papers. Some deadbeat and his lawyer came along and claimed the Harley was his. Without enough money to pay an attorney, and lacking any legal title or receipts, the poor guy was forced to give the bike to this shark in order to avoid a lawsuit. This may sound like extortion but it happens all the time. Don’t become another horror story. Take precautions when investigating the authenticity of the Harley VIN and registration.

There has always been much debate over bikes with matching numbers and their true value. In my opinion, any Harley being sold as “rare” or “limited” is usually anything but that. As with beauty, value and rarity are often in the eye of the beholder. If matching numbers makes a motorcycle more valuable to you, then only you can put a value on it. Just don’t expect the next person buying that Harley from you to think the same way.

Locating the Harley VIN
Prior to 1961 On Harley models prior to 1961, the engine number acts as the VIN. This number can be found on the left side engine case. Harley models produced prior to 1969 do not carry any frame number.
VIN Numbering Conventions:

First two numbers are the model year.
Letters (up to four) are the model designation.
The last numbers are the production run number.

1962 – 1969

Harley Engine Serial Number Decoder

VIN Numbering Conventions:

First two numbers are the model year.
Letters (2-4) are the model designation.
The last numbers are the production run number.

In addition, models with 4 digit production numbers have an even-numbered first digit for even years, odd for odd years. Models containing a 5 digit production number will have the first two digits even for even years, odd for odd years.
Why is this important? If the VIN does not follow this even or odd numbering sequence, you can almost guarantee that the VIN has been altered. It is extremely common to find mismatched engines in these early bikes with different VIN numbers than the title paperwork. 1970 – 1980:
Beginning in 1970, Harley started stamping VIN numbers on both the frame and engine case. The exception as noted by our friends at Cyborg Cycles, is the 1979 model . This exception is discussed below.

First two numbers are the model code.
Next 5 digits, position 3-7 is the production run number.
The last 2 digits designate the year.

The only legal VIN number for Harley’s produced after 1970 is on the frame. NO EXCEPTION! It doesn’t matter if the engine case number matches your registration papers, if the frame VIN doesn’t match the registration you have a problem! You might be able to fool a few cops or even someone at the DMV, but don’t count on it. In addition, it should go without saying that any alteration to the VIN is illegal. This goes for restamping frames or adding the original VIN to a replacement frame. If you replace the frame, you need to have a new VIN assigned to your Harley.

Always remember that on models built after 1970, the Harley VIN always follows the frame… not the engine!

The infamous 1979 Exception
During the 1979 model run, some Harley’s were produced with engine numbers that did not match the frame number. The production date is reported to be from 1/9/79 – 2/7/79, and the frame VIN’s affected are 43000H9 through 48199H9. These models had engines numbered with a separate “crankcase number” instead of the frame’s VIN. This engine number is reported to be a ten digit numeric ID. Rumor has it that Harley went back to the old numbering sequence once the legal ramifications were realized. Regardless of the engine case number, the title must always match the frame VIN. Thanks to Cyborg Cycles for this information.
1981 -2000:

Harley Davidson Engine Numbers Explained

Beginning in 1981, Harley started using a 17 digit VIN number on the frame and an abbreviated VIN on the engine case. As always, the legal title must match the VIN number on the frame. If the title and frame VIN reads 1HD1ELK12BZ123456 , the engine case number should read something like ELKB123456 . VIN number rules described under the 1970 – 1980 Harley models also apply here.

Harley VIN Model Year Designations

Prior to 1970 the model year appeared in the last 2 digits of the Harley VIN. From 1970 to 1980 Harley used an alphanumeric year code. The code “H” is followed by the last number of the year (i.e. 1971= H1, 1972= H2). The exception is 1980 which was J0.
1981 to 2000 model big twins Single letter in the 10th digit designates the model year.

1981 – B	1986 – G	1991 – M	1996 – T
1982 – C	1987 – H	1992 – N	1997 – V
1983 – D	1988 – J	1993 – P	1998 – W
1984 – E	1989 – K	1994 – R	1999 – X
1985 – F	1990 – L	1995 – S	2000 – Y

Harley VIN Model Codes

Big Twins

As if things weren’t confusing enough, Big Twin’s have a different set of model designations in the Harley VIN depending on whether they are a 4 speed or 5 speed model. 1970 thru 1980 4 Speed Big Twin The first 2 digits of the Harley big twin’s VIN digits are the model code.

1A = FL/FLP 1200	2F = FXS 1200	5H = FLHS – 80	7H = FLH 1200 Police
1H = FXB – 80	2H = CLE – 80	6E = FXEF – 80	8H = FLH 1200 Shrine
1K = FLH – 80 shrine	3G = FLH – 80	6G = FXE – 80	9D = FXE 1200
2A = FLH 1200	3H = FLH – 80 Classic	6H = FL – 80	9G = FXWG – 80
2C = FX 1200	5E = FXEF 1200	7G = FXS – 80	9H = FLH – 80 Police

Example: 3G 12345H1 is an FLH

1980 5 Speed Big Twin

Harley 1980 5 Speed’s used code 5G

1981 thru 1985 4 Speed Big Twin The 5th and 6th digits designate the model code.

AA = FLH – 80	AL = FLH – 80	BE = FXWG – 80
AB = 80 police chain	BA = FXE – 80	BF = FXSB – 80
AC = FLH – 80 Shrine chain	BB = FXEF – 80	BH = FXST
AH = FLHP – 80 Police Belt	BC = FXS – 80	BG = FXDG – 80
AK = FLHS – 80	BD = FXB – 80	BK = FXSTC

Example: 1HD1 BE K11BY123456 is a FXWG 1981 5 Speed Harley Big Twin The 5th and 6th digits designate the model code.

AE= FLT

AF= FLTC

Example: 1HD1 AF K11BY123456 is a FLTC 1982 thru 2002 5 Speed Big Twins The 5th and 6th digits designate the model code.

BH = FXST	DJ = FLHTC	FE = FLTCU-I
BJ = FLSTC	DK = FLTC Shrine	FF = FLHTC-I
BK = FXSTC	DM = FLTCU	FG = FLHTCU-I W/SC
BL = FXSTS	DP = FLHTCU	FH = FLHP-I Police
BM = FLSTF	EA = FXR	FJ = FLHP Police
BN = FLSTN	EB = FXRS	FL = FLHTCU-I Shrine
BP = FXSTSB	EC = FXRT	FM = FLHTP-I Police
BR = FLSTS	ED = FXRP Police windshield	FP = FLTR
BS = FXSTD	EF = FXRP Police Fairing	FR = FLHRC-I
BT = FXSTB	EG = FXRS-SP	FS = FLTR-I
DA = FLT 82 – 83	EH = FXRD	FT = FLHPE-I (California)
DA = FLHTP Police Windshield	EJ = FXRC	GA = FXDB-D
DB = FLTC	EK = FXRP Police C.H.P.	GB = FXDB-S
DC = FLHT	EL = FXLR	GC = FXDC
DD = FLHT	EM = FXLR Conv	GD = FXDL
DE = FLHTC W/sidecar	FA = FLHS	GE = FXDWG
DF = FLHTP Police Fairing	FB = FLHR-I	GG = FXDS Conv
DG = FLHTC Shrine	FC = FLHTCU-I	GH = FXD
DH = FLTC W/sidecar	FD = FLHR	SG = TLE Police
SH = RLE Police

Example: 1HD1 BH K11GY123456 is a FXST

Sportster VIN Numbers

1970 thru 1980 Sportsters First two digits of the Harley VIN are the model code.

3A = XL or XLH	4A = XLCH	4E =- XLS
2G = XLT	4D = XLA	7F = XLCR

Example: 4A 12345H1 is a XLCH 1981 to 1985 Sportsters 5th and 6th digits are the model code.

CA = XLH

CB = XLS

CC = XLX

CD = XR1000

Example: 1HD1 CD HY15B123456 is a XR1000

1986 to 1996 Sportsters 5th, 6th and 7th digits are the model code.

CAM = XLH883	CAN = XLH1100	CEM = XLH883 Hugger
CAP = XLH1200	CGP = 1200 Custom	CFM = XLH883 Deluxe
CHP = 1200 Sport

Example:1HD1 CEM 15GY123456 is a XLH883 Hugger

Confused yet? See Model Number page for a description of Harley model numbers.

Enjoy the ride!
Note that the information provided here is the intellectual property of Harley-Performance.com and may not be reproduced or distributed without the express written permission of the owner. Models covered do not include late models after 2009.