year model frame engine
1977 250 B 100001 100001
1978 175 C 100001 100001
250 C 18647 18666
1979 175 N 107290 107298
250 N 23045 22632
1980 175 T 200001 200039
250 T 200001 200001
400 T 100001 100001
1981 175 X 207590 207611
250 X 204153 204199
400 X 103457 103465
1982 175 Z 212209 212332
1983 175 D 215372 215401
1984 175 E 216788 216799