Year and Model Table

Look for the 1st Three serial numbers of your bike. This corresponds to the year and model of your motorcycle.  This is not a complete list, if you have more information, please let me know so I can post it here.
 
 
The Serial number can be found on the right side of the Engine and the right side of the frame just in front of the gastank.
 
US Models
 

Serial Prefix

Year and Model

1L9

1976 XS360 C

1T6

1977 XS360 2D

2A2

1977 XS400 D

2L0

1978 XS400 E

2G5

1978 XS400 2E

2L0

1979 XS400 F

2V6

1979 XS400 2F

3F8

1980 XS400 G

Special II

3F9

1980 XS400 SG

Special

4R5

1981 XS400 H

Special II

4R4

1981 XS400 SH

Heritage Special

14V

1982 XS400 SJ

Heritage Special

 

 

 

 

UK Models

Serial Prefix

Model

Dates Produced

1U5

XS250 P

01/77 - 06/79

3N6

XS250

01/78 - 1980

4A2

XS250

1980 - 1981

4G6

XS250 SE

05/80 - 1984

5H8

XS250 C

02/81 - 07/82

2J0

XS400

09/77- 1979

3N7

XS400

1979 - 04/80

4G5

XS400 SE

03/80 - 10/83