
( Engine Type: 4-stroke ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Machine Type: Street Motorcycle, Dual Sport Motorcycle, Off-road Motorcycle ), ( Items Included: Jet Needles And Circlips ), ( Manufacturer Part Number: 5F21-3 ), ( Features: Jetting ), ( Country/region Of Manufacture: Japan ), ( Vintage Part: Yes )
Review SUZUKI 1977-78-79 Carburetor Jet Needle 5f21 Oem Mikuni fits GS750 X4
The Suzuki 5F21-3 carburetor jet needle is a crucial component of the MIKUNI X4 carburetor system that was used in Suzuki motorcycles from the years 1977 to 1979, primarily on the popular GS750 model. This jet needle is identified by its part number 5F21-3, which is crucial for anyone seeking to maintain or restore their vintage Suzuki motorcycle to its original specifications.
This jet needle, manufactured by MIKUNI, is designed to regulate the fuel-air mixture entering the engine by controlling the flow rate of fuel through the needle and seat assembly. The needle's unique shape with a length of approximately 1 1/16 inches (2.63 cm) allows it to efficiently adjust the fuel mixture for various riding conditions and engine temperatures. Its tapered design ensures that the fuel flow through the needle's jet holes remains consistent, contributing to the engine's optimal performance.
This 5F21-3 jet needle is an essential repair or replacement part for those Suzuki motorcycle enthusiasts who find themselves dealing with issues related to the carburetor, such as hard starting, poor fuel efficiency, or erratic engine behavior. Installing a genuine MIKUNI 5F21-3 jet needle can help correct these problems by ensuring the correct fuel mixture is delivered to the engine, enhancing the overall driving experience while preserving the classic character of the beloved Suzuki GS750.
This jet needle is compatible only with the MIKUNI X4 carburetor system used in Suzuki motorcycles during the specified period and should not be confused with other carburetor types or jet needles from different manufacturers. For motorcycle restoration projects or for those desiring to preserve the authenticity of their Suzuki GS750, installing a genuine MIKUNI 5F21-3 jet needle is an investments that pays off in improved performance and longevity.
Pros and Cons of Buying a Suzuki 5F21-3 1977-78-79 GS750 Carburetor Jet Needle (Mikuni X4 13383-45010)
1. Pros:a. Improved Carburetor Performance: This jet needle is specifically designed for the Suzuki GS750 carburetors (5F21) during the 1977 to 1979 period. Installing these jets can potentially improve the overall performance of the motorcycle, enabling smoother idling, enhanced throttle response, and better fuel efficiency.
b. Better Fuel Economy: With this jet needle, you can fine-tune your carburetor to provide a more efficient fuel mixture. Consequently, you may notice an improvement in fuel economy, allowing you to save money in the long run, especially if you frequently ride your bike.
c. Easy Instillation: This replacement part is relatively simple to install, and the installation process does not require extensive mechanical knowledge or specialized tools. A step-by-step guide is usually available online, and the procedure should take no more than an hour or two for most novice mechanics.
2. Cons:a. Cost: The price of this jet needle replacement, especially from aftermarket suppliers, can be significantly higher than stock jets. Keep in mind that you may save money in the long run due to improved performance and fuel economy, but the initial investment can seem steep for some.
b. Potential for Errors: Installing a jet needle incorrectly can lead to poor running conditions, potential engine damage, and even engine failure. While the installation process is relatively straightforward, it is essential to follow the correct instructions and double-check your work to avoid any costly mistakes.
3. Conclusion:The Suzuki 5F21-3 1977-78-79 GS750 Carburetor Jet Needle (Mikuni X4 13383-45010) holds the potential for improved performance, better fuel economy, and easier installation. However, the initial cost and the risk of errors during installation can be seen as disadvantages. Ultimately, a careful assessment of your motorcycle's condition and your technical skill level can help determine whether this jet needle is a worthwhile investment for your Suzuki GS750.
4. Recommendation:For those who are confident in their mechanical abilities, installation knowledge, and understand the potential risks and benefits, the Suzuki 5F21-3 1977-78-79 Carburetor Jet Needle (Mikuni X4 13383-45010) is a promising upgrade for their GS750. Those with limited mechanical knowledge may consider seeking professional assistance to ensure a successful installation. Alternatively, regular maintenance and carburetor jet checks could help extend the life of the existing jets and delay the need for replacement.
part # 5f213 prices
- $12.60-$26.78
specifications iodacarb:
- for models: Gs750, X4
- for makes: Suzuki
- engine type: 4-stroke
- choke type: Mechanical
- type: Carburetor
- machine type: Street Motorcycle, Dual Sport Motorcycle, Off-road Motorcycle
- items included: Jet Needles And Circlips
- manufacturer part number: 5F21-3
- features: Jetting
- country/region of manufacture: Japan
- vintage part: Yes
shipping iodacarb:
- service: USPS Ground Advantage, UPS Ground
- carrier: USPS, UPS
- type: Calculated
- cost: $0.00
- transit: 3-9 Days
- class: Standard
seller iodacarb:
- # reviews: 282
- rating: 100.0%
offer iodacarb:
- sold: 0
- started: November 20, 2024
- options: Ship-to-home
- quantity: 1
- availability: In Stock
payments iodacarb:
- other
- wallet: Apple-pay
- credit card: Visa
returns iodacarb:
- policy: No Returns
general iodacarb:
- Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Carburetors
- condition: Used
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