Complex sentence: In 1989, The VLX VT600C remained largely the same VT600C was not made in 1990 but did make a come back in 1991 offered only in black.
Split into simpler sentences: In 1989, The VLX VT600C remained largely the same. The VT600C was not made in 1990 but did make a comeback in 1991 offered only in black.