Ariel


Year Model Engine Prefix Frame Prefix
(1939 rigid - spring)
1926 Heavyweight P P
1927 Heavyweight V V
1928 Heavyweight W W
1929 Heavyweight H H
1929 Lightweight L L
1930 Heavyweight K K
1930 Lightweight M L
1931 250cc J J
1931 350cc A J
1931 VB. VF. N N or K
1931 SB. SF. SG. S S
1931 4F 500 R R
1932 250cc

350cc

VB. VG. VH.

SB. SG.

4F 500

4F 600
E

B

C

D

R

T
B or D

B

C or D

D

T

T
1933 250cc

350cc

500cc. 557cc

4F 600
DA

BA

CA

TA
Y

Y or E

Y

Y
1934 250cc

350cc

500cc.557cc

4F 600
EA

FA

GA

UA
Y

Y

Y

Y
1935 250cc

350cc

500cc. 557cc

4F 600
HA

JA

KA

WA
Y

Y

Y

Y
1936 250cc

350cc

500cc. 600cc

4G1000cc ohv

4F 600 ohc
AB

BB

CB

DB

XB
F

F

F

P

Y
1937 250cc

350cc

500cc. 600cc

4G1000 ohv

4F 600 ohv
AC

BC

CC

DC101-615

EC
XF

XF

XF

P

P
1938 250cc

350cc

500cc. 600cc

1000cc

1000cc

AD

BD

CD

DC616-650

DD

XG

XG

XG

P

P

1939 250cc

350cc

500cc. 600cc

4G & 4H 1000cc

4F 600 ohv

AE

BE

CE

DE

EE

M ---

XG BX

XG BX

P AX

P AX

1940 250cc

350cc

500cc. 600cc

4G, 4H 1000 cc

4F 600 ohv

AH

BH

CH

DH

EH & EEH

M ---

XG BX

XG BX

P AX

P AX

1941 - 5 350cc W/NG BH, NBH, RBH XG ---
1946 - 7 350cc

500cc, 600cc

1000cc

1000c

BK

CK

DH268, 273 - 6

DK

AP or BP ---

BP ---

P ---

XP AX
1948 350cc

500cc, 600cc

1000cc

500cc Twin
AJ

BJ

CJ

PT
BP BX

BP BX

XP AX

DX CX
1949 350cc

500cc, 600cc

500 VCH

1000cc

500 Twin

DJ

EJ

CO

FJ

HT

RF SF

RF SF

COM SF

GR GS

HH HS

1950 350cc

500cc, 600cc

500 VCH

500cc Twin

1000cc

KL

MN

CO

OP

JJ

AB AC

AB AC

COM or AB AC

GD LL

TD CW

1951 350cc

500cc, 600cc

500 VCH

500 Twin

1000cc

RA

RB

CO

RC

RD

WA SA

WA SA

COM or WA SA

WB SB

WC SC

1952 350cc TB OA SD
1952 500cc, 600cc TC OA SD
1952 500 VHA TCA OA SD
1952 500 VCH TR OR ----
1952 500 Twin TE OB SE
1952 1000cc TM OC SV
1953 350cc NH

500cc VH

600cc VB

500cc VHA

500cc VCH

500cc KH Twin

500cc KHA Twin

1000cc4G MK.1

1000cc4G MK.2

XA

XC

VB (NOT XB)

XD

XE

XF

XFA

XH

XJ

AM AS

AM AS

AM AS

AM AS

MA (NOT AM) ---

BW BS

BW BS

---- ES

EJ ES

1954 200cc LH

350cc NH

500cc VH

600cc VB

500cc KH

650cc FH

1000cc 4G MK.2

500cc HS

500cc HT
PA

PB

PD

PE

PH

PJ

PL

PS

PD or PT
---- KN

KW KS

---- KS

KW VS(NOT KS)

BW KS

---- KS

---- KR

---- KSS

KT or TF ----
1955 200cc LH

350cc NH

500cc VH

600cc VB

500cc KH

650cc FH

500cc HT

500cc HS

1000cc 4G

LA

LB

LC

LD

LE

LF

LJ

LK

GL

--- LS

--- DU

--- DU

RF DU

--- DU

--- DU

TF ---

--- KSS or DUS

--- PS

1956 200cc LH

350cc NH

500cc VH

600cc VB

500cc KH

650cc FH

500cc HS

500cc HT

1000cc 4G

ALA

MA

MB

MC

MD

MLF

MH

MJ

ML

MT

PR

PR

PR

PR

PR

PRS

RT

GM

1957 200cc LH

350cc NH

500cc VH

600cc VB

500cc KH

650cc FH

500cc HS

500cc HT

350cc HT3

1000cc 4G

BLA

AMA

AMB

AMC

AMD

NLF

NH

NJ

AMA

NML

ST

APR

APR

APR

APR

APR

PRS

RT

RT

GM

1958--9 200cc LH

350cc NH

500cc VH

600cc VB

650cc FH

500cc HS

500cc HT

350cc HT3

1000cc 4G
CBLA

CAMA

CAMB

CAMC

CNLF

CNH

CNJ

TH

CNML
CST

CAPR

CAPR

CAPR

CAPR

CPRS

CRT

CRT

CGM

Triumph


Twins from 1950 to 1969

Year Unit 350 & 500 Pre-Unit 500 & 650
1950 from 100N
1951 101NA-15808NA
1952 15809NA-25000NA,
then 25000-32302
1953 32303-44134
1954 44135-56699
1955 56700-70929
1956 70930-82799,
then 0100-0944
1957 H101-H760 0945-011115
1958 H761-H5484 011116-020075
1959 H5485-H11511 020076-029363
1960 H11512-H18611 029364-030424,
thenD101-D7726

BSA Unit Twins 1962-1965


A50 A50 (Police) A50C (USA) A50CC (USA) A50C & A50CC (UK) A65 A65 (Police) A65R A65R (Rev counter) A65T/R A65L/R A65SH A65L & A65LC
1962 Engine
Frame
A50-101
A50-101
A65-101
A50-101
1963 Engine
Frame
A50-823/A50-2288 A65-1947
A50-2288
1964 Engine
Frame
A50A-101
A50-5501
A50AP-101
A50-5501
A50B-101
A50B-101
A65A-101
A50-5501
A65AP-101
A50-5501
A65B-101
A50-5501
A65C-101
A50-5501
A65B-101
A50-5501
A65D-101
A50B-101
A65E-101
A50B-101
1965 Engine
Frame
A50A-686
A50-8437
A50AP-121
A50-8437
A50D-101
A50B-4001
A50B-507
A50B-4001
A50DC-101
A50B-4001
A65A-1134
A50-8437
A65AP-267
A50-8437
A65B-334
A50-8437
A65C-1082
A50-8437
A65D-1742
A50B-4001
A65E-701
A50B-4001
A65DC-2158
A50B-4001
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