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550SX

The Kawasaki 550SX is recorded for six consecutive model years, 1990 to 1995. Every 550SX year on record is a carburetted two-stroke, with the engine recorded as 550.

At a glance

Years made
1990 to 1995
Engine, as the records hold it
550
Strokes
Two-stroke
Fuel system
Carburettor
Hull type
Stand-up
Model years on record
6
Checked
None of the six 550SX model years verified, which needs a check against the maker's own document, which the row names, and an engine figure; all six name a source below.

Kawasaki numbers name the engine by its size class and are not measurements: a 550 is a 531, a 650 a 635, a 750 a 743.

  1. 1990
  2. 1991
  3. 1992
  4. 1993
  5. 1994
  6. 1995
  • Solid: a row in the table

The Kawasaki 550SX from 1990 to 1995, one square for each model year, a decade to a row; follow a square to its row.

How we know: The 6 550SX rows in the year table, with each row's grade and the engine cells it prints in bold.

Year by year

No recorded engine, fuel system, stroke count or hull type changes across the 550SX's 6 model years.
Model year Engine, as the records hold it Fuel system Strokes Hull type What the record says Source
1990 550 Carburettor Two-stroke Stand-up Debut year of the 550SX. Kawasaki's own parts catalogue carries it for 1990 under code JS550-B1, a new series after the JS550-A codes of the 1982 to 1988 JS550 rows above; from 1991 the code steps again to C1. 1
1991 550 Carburettor Two-stroke Stand-up Kawasaki's own parts catalogue carries this machine for 1991 under code JS550-C1. The code series steps from B to C for this year; as with the 650SX, the catalogue marks a revision without saying what it was. ⚑ 2
1992 550 Carburettor Two-stroke Stand-up Kawasaki's own parts catalogue carries this machine for 1992 under code JS550-C2. 3
1993 550 Carburettor Two-stroke Stand-up Kawasaki's own parts catalogue carries this machine for 1993 under code JS550-C3. 4
1994 550 Carburettor Two-stroke Stand-up Kawasaki's own parts catalogue carries this machine for 1994 under code JS550-C4. 5
1995 550 Carburettor Two-stroke Stand-up Kawasaki's own parts catalogue carries this machine for 1995 under code JS550-C5. Last 550SX code in the catalogue; JS550-C6 does not exist there. 6

Sources

  1. Kawasaki Motors Corp USA, Owner Center parts diagrams, 1990 550 SX, kawasaki.com Retrieved 2026-09-18. (model year 1990)
  2. Kawasaki Motors Corp USA, Owner Center parts diagrams, 1991 550 SX, kawasaki.com Retrieved 2026-09-18. (model year 1991)
  3. Kawasaki Motors Corp USA, Owner Center parts diagrams, 1992 550 SX, kawasaki.com Retrieved 2026-09-18. (model year 1992)
  4. Kawasaki Motors Corp USA, Owner Center parts diagrams, 1993 550 SX, kawasaki.com Retrieved 2026-09-18. (model year 1993)
  5. Kawasaki Motors Corp USA, Owner Center parts diagrams, 1994 550 SX, kawasaki.com Retrieved 2026-09-18. (model year 1994)
  6. Kawasaki Motors Corp USA, Owner Center parts diagrams, 1995 550 SX, kawasaki.com Retrieved 2026-09-18. (model year 1995)
Cite this page

“Kawasaki 550SX”, BaddJet archive, https://baddjetarchive.com/reference/kawasaki/550sx/

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