Kawasaki Round Body Carb Mikuni Carburetor Rebuild Kit JS 400 / 440 /440SX / 550

Aftermarket BN Mikuni (Round Body) carburetor rebuild kit.

Kit includes everything pictured to rebuild 1 (ONE) carburetor.


  • Internal Gaskets
  • Fuel Filters
  • Diaphragms.
  • O-Rings
  • Check Valves

NOTE: Some older Yamaha models had an extra body gasket that is NOT included, most customers are able to reuse the old one.

NOTE: Needle & seats are NOT included, always consult a repair manual for proper procedures and settings.

Please ensure your model and year PWC is listed below for proper fitment.
This part will ONLY work on models and years listed below:

Model Years
JS 300 / JS300 SX 1986-1991
JS 400 / JS 440 / JS 440 SX 1977-1992
JS 550 1982-1989
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  • Large/Heavy items that ship via UPS can't be shipped outside the 48 states


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