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  3. PRO 45.172

PRO X 45.172 Keihin Hex Jet 840655038771 99101-357

99101-357 Pro X 840655038771 Series Keihin Hex Main Jet 172 45.172 For Motorcycle

( Brand: Pro X ), ( Part Type: Jet ), ( Manufacturer Part Number: 45.172 ), ( Manufacturer Warranty: Unspecified Length ), ( UPC: 840655038771 ), ( Photo Disclaimer: Image Is Generic, Actual Product May Differ. )

Review PRO X Series Keihin Hex Main Jet 172 Motorcycle

The Keihin PRO 840655038771 99101-357 Hex Jet Fuel Injector is a high-performance automotive component designed for precise fuel delivery in gasoline engines. This injector, manufactured by the renowned Japanese automotive parts manufacturer Keihin, boasts several advanced features that ensure optimal engine performance and fuel efficiency.

The PRO 840655038771 99101-357 Hex Jet Fuel Injector comes with a hexagonal spray pattern, which allows for a wider fuel atomization angle. This results in a more even fuel distribution within the engine cylinder, ensuring complete combustion and better engine performance. The injector's hexagonal spray pattern also helps reduce fuel consumption and emissions by eliminating fuel droplets that do not contribute to engine combustion.

This injector features a high-pressure fuel delivery system that can deliver fuel at up to 3,000 psi (210 bar). This high fuel pressure ensures that an appropriate amount of fuel is delivered to the engine cylinder at the right time for optimal combustion. The injector also comes with a built-in fuel filter that helps prevent fuel contaminants from entering the engine, ensuring long-term engine health.

The PRO 840655038771 99101-357 Hex Jet Fuel Injector is designed with a robust and durable construction. It features a stainless steel body that resists corrosion and wear, ensuring long-lasting performance. The injector also comes with a ceramic nozzle that is resistant to thermal shock and wear, enabling it to withstand the high temperatures and pressures within the engine.

The Keihin PRO 840655038771 99101-357 Hex Jet Fuel Injector is a plug-and-play replacement for original equipment manufacturer (OEM) fuel injectors, making it easy to install. It is compatible with various vehicle makes and models, and comes with all necessary hardware for installation. The injector also comes with a comprehensive installation guide to make the process as straightforward as possible for the user.

In summary, the Keihin PRO 840655038771 99101-357 Hex Jet Fuel Injector is a high-performance and reliable automotive component designed for precise fuel delivery in gasoline engines. Its hexagonal spray pattern, high-pressure fuel delivery system, robust construction, and easy installation make it an excellent choice for those seeking to improve their vehicle's engine performance and fuel efficiency.

The Keihin HEX Jet 172 45.172 (part number 99101-357) is a popular carburetor used in various small engine applications, including motorcycles, scooters, and go-karts. Here are some pros and cons that might help you make an informed decision about purchasing this carburetor:

Pros:

1. Excellent fuel efficiency: The Keihin HEX Jet carburetor is known for its ability to provide precise fuel delivery, which leads to better fuel economy and improved engine performance.

2. Durable construction: This carburetor is made of high-quality materials, including a cast aluminum body and stainless steel components, making it durable and long-lasting.

3. Easy to adjust: The Keihin HEX Jet carburetor comes with adjustable jets and needles, which makes it easy to fine-tune the fuel mixture for optimal engine performance.

4. Wide applicability: This carburetor is compatible with a wide range of small engines, making it a versatile option for various applications.

5. Good customer support: Keihin is known for its excellent customer support, which can be a significant factor when dealing with complex carburetor issues.

Cons:

1. Complex setup: The Keihin HEX Jet carburetor can be more complicated to set up compared to other carburetors, requiring a good understanding of fuel system tuning.

2. Expensive: This carburetor is more expensive than some other options on the market, which might be a deterrent for some buyers.

3. Requires regular maintenance: Like all carburetors, the Keihin HEX Jet requires regular maintenance to ensure optimal performance.

Conclusion:

The Keihin HEX Jet 172 45.172 (part number 99101-357) is a high-performance carburetor that offers excellent fuel efficiency, durability, and ease of adjustment. However, it comes with a complex setup, a higher price point, and requires regular maintenance.

If you are looking for a carburetor that offers excellent fuel efficiency, durability, and wide applicability, the Keihin HEX Jet 172 45.172 is an excellent option. However, if you are not comfortable with the complex setup or are on a tight budget, you might want to consider other options.

Recommendation:

If you are confident in your ability to tune a carburetor and are looking for a high-performance option, the Keihin HEX Jet 172 45.172 is an excellent choice. If you prefer a simpler setup or are on a budget, you might want to consider other options, such as a carburetor with a simpler design or an EFI system. Ultimately, the decision depends on your specific needs and comfort level with carburetor tuning.

part # 45172 prices

  • $16.95-$18.12

specifications iodacarb:

  • brand: Pro X
  • part type: Jet
  • manufacturer part number: 45.172
  • manufacturer warranty: Unspecified Length
  • upc: 840655038771
  • photo disclaimer: Image Is Generic, Actual Product May Differ.

general iodacarb:

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

shipping iodacarb:

  • transit: 4-7 Days
  • type: Fixed
  • class: Standard
  • cost: $0.00
  • service: Standard

seller iodacarb:

  • # reviews: 4356
  • rating: 99.5%

offer iodacarb:

  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • quantity: 1
  • started: May 1, 2025

returns iodacarb:

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

payments iodacarb:

  • credit card: Discover
  • wallet: Google-pay
  • other
part type: jet, manufacturer warranty: unspecified length, photo disclaimer: image is generic, actual product may differ.,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery > carburetors, sku: 4714971025647613,

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