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Mikuni 4/042-430 Main Jet Large Hex Carburetor Metering Jet Jets

Part of: Mikuni Main Jet Large Hex Carburetor Metering Jet Jets

Other options in this family: Mikuni 4/042-160 Mikuni 4/042-300 Mikuni 4/042-560 Mikuni 4/042-500 Mikuni 4/042-80

Manufacturer

Picture for manufacturer Mikuni

Part Number

4/042-430
12 reviews
Sale Price

$5.26

3 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

The Mikuni 4/042-430 is a precision main jet designed for optimal fuel metering in Mikuni carburetors. This large hex-style jet is one of the most commonly used components across the Mikuni carburetor lineup, making it an essential part for tuning and maintenance.

Key Features:

  • Large hex head design for easy installation and removal
  • Precision-drilled orifice ensures accurate fuel delivery
  • Compatible with most Mikuni carburetor models
  • Mikuni part number series 4/042 for guaranteed OEM quality
  • Essential component for carburetor tuning and performance optimization

Main jets control the fuel flow at mid to wide-open throttle positions, making proper jet selection critical for engine performance, fuel economy, and reliability. This genuine Mikuni replacement jet ensures your carburetor delivers the precise air-fuel mixture for optimal engine operation.

No problems so far

All good. No issues so far.

Has to go through Amazon to complete the transaction

Site was easy to navigate, and had the lowest prices from all the places I had compared. Even with the low Canadian dollar, it was the best option.

found quickly now if they work

Easy access to ordering item.

Prices were good. found the parts and part numbers I needed from another site.

very fast shipping and best price on internet!

Hopefully it gets here fast

Only extra options should be the oxygen sensor extensions

I really like how prompt the order went through and the quality of the part im getting

Found the item I need that was guaranteed to fit my truck. Fast shipping! Liked the paypal checkout!

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