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Mikuni Super BN40i-28 Carburetor

(1 review)

Item: 354518-435166

$221.51

Universal Fit: Review specifications carefully.

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Mikuni Super BN40i-28 Carburetor


  • Magneto-side carburetor
  • High performance carburetors with extended throttle shaft
  • Features a Rubber tip needle valve to provide optimum pop-off and a primer-type cold start system (no butterfly choke) to increase air flow
  • Sold individually
  • Made in Japan
Specification Details
Bore 38 mm
Carburetor Type BN40i-28
Choke Type Butterfly
Color Black
Country of Origin Japan
Main Jet 167.5
Manifold Type Flange
Needle Valve 1.5
Pilot Jet 70
Spring Rate 95 grams

Customer Reviews


Worked perfect

By   on  Verified Purchaser

I bought one carburetor a few months ago and it was at a great price. Worked perfect. Bought another one just recently. Same thing


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Questions & Answers


What jetting comes with the 38mm silver carb

Once you select the size from our fit guide, you'll be presented with all of the specifications for the carburetor you'd receive. In the case of the 38mm bore carburetor, it's fitted with a 107.5 size main jet. 

By Staff

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