Mikuni OEM Carburetor Rebuild kit for Polaris 500

In stock

SKU MK-BST40-251
SKU MK-BST40-251
Country of Manufacture Japan
Brand Genuine Mikuni

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Product description

Genuine Mikuni BST40-251 carburetor rebuild kit for Polaris ATVs

This Mikuni rebuild kit is designed to replace multiple internal items including the complete float valve assembly, internal gaskets, clips as well as new external items such as adjustment screws, springs and float bowl screws.

Note: Due to jet variations, this kit does NOT include any Main Jets or Pilot Jets.
Refer to the Mikuni Part Numbers when acquiring these jets:
Main Jet Series: N100.604
Pilot Jet Series: N151.067

Fitment information

Polaris Models

  • Polaris ATP 500 4x4 HO 2004 - 2005
  • Polaris Scrambler 500 2x4 2002
  • Polaris Scrambler 500 4X4 2001 - 2010
  • Polaris Sportsman 500 4x4 HO 2003 - 2005
  • Polaris Sportsman 500 6x6 2003 - 2005
  • Polaris Sportsman 500 Forest 2012 - 2013
  • Polaris Sportsman 500 Touring HO 2010 - 2013
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