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  3. MIKUNI 003.539

MIKUNI 003.539 Needle Jet

003.539 Mikuni Needle Jet

( Brand: Mikuni ), ( Manufacturer Part Number: 003.539 ), ( Part Type: Jet ), ( Alt Mpn 1: Nj261p4 ), ( Average Delivery Time: 2-3 Days ), ( Package Weight: 0.13 ), ( Package Length: 0.25 ), ( Warranty: 90 Days )

Review MIKUNI Needle Jet

Mikuni HSR46 Series Needle Jet Carburetor (Model No: 003.539)

The Mikuni HSR46 Series Needle Jet Carburetor, model 003.539, is a testament to Mikuni's commitment to delivering high-performance, precision-engineered carburetors. This particular model is designed to offer an optimal balance of power, fuel efficiency, and reliability, making it an ideal choice for various high-performance applications.

The Mikuni 003.539 Needle Jet Carburetor features a 38mm bore diameter, which ensures a consistent air-fuel mixture delivery for smooth and responsive throttle response. The Needle Jet design is known for its superior atomization, ensuring optimal combustion and reduced emissions.

This carburetor also boasts a unique idle circuit design, which provides stable idle speeds under various conditions. The adjustable idle speed screw allows for fine-tuning to meet specific engine requirements. The main jet and pilot jet are also adjustable, allowing for easy tuning to meet different fuel and altitude conditions.

The Mikuni 003.539 Needle Jet Carburetor is constructed from high-quality materials, ensuring durability and reliability. The body is made from corrosion-resistant materials, while the needle and seat are made from hardened steel for long-lasting performance. The carburetor also comes with a protective vented air cleaner cover to keep out debris and contaminants.

In conclusion, the Mikuni HSR46 Series Needle Jet Carburetor (Model No: 003.539) is a high-performance carburetor that combines precision engineering, superior air-fuel mixture delivery, and adjustability to meet the demands of various high-performance applications. Whether you're a seasoned racer or a enthusiast looking to upgrade your engine, the Mikuni 003.539 Needle Jet Carburetor is an excellent choice.

Pros of Mikuni 003.539 Needle Jet Carburetor:

1. Precise fuel delivery: The needle jet design ensures accurate fuel delivery for optimal engine performance.

2. Easy adjustment: The carburetor offers easy adjustment of the idle speed and mixture to suit different conditions.

3. Durable construction: High-quality materials and precise machining contribute to the carburetor's long-lasting durability.

4. Wide compatibility: The Mikuni 003.539 carburetor is compatible with various motorcycle models, making it a versatile choice.

Cons of Mikuni 003.539 Needle Jet Carburetor:

1. Complexity: The needle jet design is more complex than other carburetor types, making it potentially more difficult to service and tune.

2. Limited customization: While the Mikuni 003.539 carburetor offers adjustability, it may not be as easily customized as other carburetor designs.

3. Cost: The Mikuni 003.539 carburetor may be more expensive than some other options on the market.

Conclusion:

The Mikuni 003.539 Needle Jet Carburetor is a high-quality, precise fuel delivery system that offers easy adjustability and a wide range of compatibility. However, its complexity and potential cost may be a drawback for some users. If you value precision and durability, and are willing to invest in a more complex carburetor, the Mikuni 003.539 could be a good choice for you. If you prefer a simpler, more budget-friendly option, you may want to consider another type of carburetor.

Recommendation:

If you are looking for a high-performance carburetor for your motorcycle and are willing to invest in a more complex system, the Mikuni 003.539 Needle Jet Carburetor is a recommended choice. If you prefer a simpler, more budget-friendly option, you may want to consider other carburetor brands and models.

Details:

Mikuni NEEDLE JET 003.539. MANUFACTURER PART NUMBER003.539. Smooth bore. PART TYPE Air Fuel.

Combined shipping available. 100% satisfaction guaranteed.

part #: 003539 prices

  • $19.83-$21.43

specifications intakefuelmotorcycle:

  • brand: Mikuni
  • mpn: 003.539
  • part type: Jet
  • alt mpn 1: Nj261p4
  • average delivery time: 2-3 Days
  • package weight: 0.13
  • package length: 0.25
  • warranty: 90 Days

general intakefuelmotorcycle:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery

seller intakefuelmotorcycle:

  • city: Hilliard, Ohio
  • # reviews: 473189
  • rating: 99.0%

returns intakefuelmotorcycle:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

offer intakefuelmotorcycle:

  • options: Ship-to-home
  • availability: In Stock
  • quantity: 2
  • started: July 30, 2025
  • sold: 0

payments intakefuelmotorcycle:

  • other
  • credit card: Diners-club
  • wallet: Google-pay

shipping intakefuelmotorcycle:

  • service: USPS Ground Advantage, FedEx 2Day, FedEx Standard Overnight
  • carrier: USPS, FedEx
  • cost: $0.00
  • class: Standard, Expedited, One-day
  • transit: 3-6 Days
  • type: Calculated
part type: jet, alt mpn 1: nj261p4, average delivery time: 2-3 days, package weight: 0.13, package length: 0.25, warranty: 90 days,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery, sku: 19630587424446502,
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5 offers $19.83–$21.43 USD
  • New. Offer #1 priced at $19.83 + $0.00 shipping estimate = $19.83* total. Credit or Debit Card MIKUNI NEEDLE JET.FREE SHIPPING
  • New. Offer #2 priced at $21.43 + $0.00 shipping estimate = $21.43* total. MANUFACTURER PART NUMBER . VM29/16.FREE SHIPPING
  • New. Offer #3 priced at $19.83 + $0.00 shipping estimate = $19.83* total. FREE SHIPPING
  • New. Offer #4 priced at $19.83 + $0.00 shipping estimate = $19.83* total. FREE SHIPPING
  • New. Offer #5 priced at $19.83 + $0.00 shipping estimate = $19.83* total. 261 Series Needle Jet for VM29-VM33 Carburetor.FREE SHIPPING

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