GS Suzuki
Source: http://www.cyclerestorer.com
Year Model CC Frame Number Engine Number
1977 GS400B 400 10001 10001
1978 GS400C 400 30706 30772
1977 GS400XB 400 10001 10001
1978 GS400XC 400 13043 13043
1977 GS550B 550 100001 100001
1977 GS750B 750 10001 10001
1978 GS750C 750 32604 42761
GT Suzuki GT250Source: https://www.suzukicycles.org 1971 from GT250-10001 1972 ? 1973 ? 1974 / 1975 ? from GT250-52355 1976 from GT250-80025 1977 from GT250-97426 1978 GT250C X7 GT250-114559 GT Suzuki GT550 Source: https://www.oldjapanesebikes.com 1972, Model J Frame GT550-10001 Engine GT550-10001 1973, Model K Frame GT550-21780 Engine GT550-23036 1974, Model L Frame GT550-36265 Engine GT550-37851 1975, Model M Frame GT550-47119 Engine GT550-49314 1976, Model A Frame GT550-61315 Engine GT550-64464 1977, Model B Frame GT550-70364 Engine GT550-73451 GT Suzuki T/GT500 Source: https://www.oldjapanesebikes.com 1968 Mark I Frame T500-10001 to T500-16038 Engine T500-10001 1969 Mark II Frame T500-20001 Engine T500-20001 1970 Mark III Frame T500-23940 or T500-23938 Engine T500-23940 or T500-23980 1971 Mark III Frame T500-31295 or T500-30846 Engine T500-31295 1972 J model Frame T500-46463 Engine T500-46463 1973 K model Frame T500-59779 Engine T500-59779 1974 L model Frame T500-68083 Engine T500-68083 1975 M model Frame T500-74198 Engine T500-74162 1976 A model T500/GT500 Frame T500-90729 Engine T500-90729 1977 B model Frame T500-104422 to T500-106884 ? Engine T500-104426 to T500-108082 GT Suzuki GT750 Source: https://www.oldjapanesebikes.com 1972 GT750J Frame GT750 - 10001 Engine GT750 - 10001 1973 GT750K Frame GT750 - 30690 or 31253 Engine GT750 - 31357 1974 GT750L Frame GT750 - 40838 or 40247 Engine GT750 - 43041 1975 GT750M Frame GT750 - 52823 Engine GT750 - 57533 1976 GT750A Frame GT750 - 61729 Engine GT750 - 67558 1977 GT750B Frame GT750 - 75739 Engine GT750 - 82605 TS Suzuki 185Year Model cc Frame Engine
1971 TS185R 185 10001 10001
1972 TS185J 185 24292 24309
1973 TS185K 185 52592 52618
1974 TS185L 185 84664 84783
1975 TS185M 185 115944 116104
1976 TS185A 185 142743 142791
1977 TS185B 185 10001 10001
Suzuki Decoding Links
Frame & Engine numbers for all Suzuki models 1971-1980 from Suzuki Service Bulletins
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