On all motorcycles, the serial number is the same and stamped on the engine and on the frame excepted in Japan, where only the 3 first numbers/letter are stamped on the engine case: here is an example with a RZ250R model "1XG", only "29L" is stamped on the engine case.

 

VIN # - ENGINE / FRAME NUMBER

MODELS
TYPE
START NUMBER ENGINE/FRAME
COUNTRY
YEAR
RD 250 LC
4L1
4L1 - 000 101 ~ 100 000
Europe
'80
RD 250 LC
4L1
4L1 - 300 101 ~ 400 000
Europe
'81
RD 250 LC
4L1
4L1 - 500 101 ~ 530 000
Europe
'82
RD 250 LC
31L
31L - 000 101 ~ 015 000
Europe
'83
RD 250 LC
31L
31L - 015 101 ~ 016 000
Europe
'84
         
RD 250 LC
4L2
4L1 - 200 101 ~ 300 000
Germany
'80
RD 250 LC
4L2
4L1 - 400 101 ~ 500 000
Germany
'81
RD 250 LC
4L2
4L1 - 530 101 ~ 550 000
Germany
'82
RZ 250
4L3
4L3 - 000 101 ~ 050 000
Japon
'80
RZ 250
4L3
4L3 - 050 101 ~ 070 000
Japon
'82
RZ 250 R
29L
29L - 000 101 ~ 040 000
Japon
'83
RZ 250 R YSP
29L
29L - 016 301 ~
Japon
'83
RZ 250 RR
51L
29L - 040 101 ~ 080 000
Japon
'84
RZ 250 RR YSP
51L
29L - 080 101 ~ 083 000
Japon
'84
RZ 250 R
1AR
29L - 083 101 ~ 090 000
Japon
'84
RZ 250 R
1AR
29L - 090 101 ~ 100 000
Japon
'85
RZ 250 R
1XG
29L - 100 101 ~ 110 000
Japon
'86
RZ 250 R
1XG
29L - 110 500 ~ 120 000
Japon
'87
RZ 250 R
3HM1
29L - 120 101 ~ 145 000
Japon
'88
RD 250 H
5E1
5E1 - 000 101 ~ 100 000
Australia
'81
RD 250 J
5E1
5E1 - 100 101 ~ 200 000
Australia
'82
RZ 250 K
34J
34J - 000 101 ~ 002 000
Australia
'83
RZ 250 L
34J
34J - 002 101~ 004 000
Australia
'84
RZ 250 RN
1GA
1GA - 000 101 ~ 002 000
Australia
'85
RZ 250 S
1XH
1XH - 000 101 ~ 002 000
Australia
'86
         
RD 250 LC
38K
38K - 000 101 ~ 001 500
ZA
'83
RD 250 LC
38K
38K - 002 101 ~ 003 000
ZA
'84
         
RD250H
5R3
5R3 - 000 101 ~ 100 000
Venezuela
'81
RZ250RR
1YR
1YR - 000 101 ~ ??? 000
Venezuela
'85

ZA= South Africa