1977 GS400B
- FRAME #: GS400-10001
- ENGINE #: ... GS400-10001
- ENGINE TYPE: 398cc 4 Strk. Twin
- MODEL CODE: 440
- COLOR: Red, Silver
- Black side covers
- Chrome lower steering stem cover
- Digital gear indicator
- Electric Start
1978 GS400C
- FRAME #: GS400-32557
- ENGINE #: GS400-32745
- ENGINE TYPE: 398cc 4 Strk. Twin
- MODEL CODE: 440
- COLOR: Burgundy, Blue
- Tank and tail piece stripes
- Side covers primary color
- Electric Start
- Digital gear indicator