SUZUKI 09491-64002 Carburetor Jet

( Manufacturer Part Number: 09491-64002 ), ( Type: Main Jet ), ( Country Of Origin: Japan )

Review SUZUKI Oem Carburetor Main Jet

The **Suzuki 09491-64002 carburetor jet** is a precision-engineered component designed specifically for Suzuki outboard motors, ensuring optimal fuel-air mixture performance for reliable and efficient operation. This high-quality jet is crafted from durable, corrosion-resistant materials, including brass or zinc alloy, to withstand the harsh marine environment while maintaining consistent performance over extended use. Engineered to fit seamlessly into Suzuki s carburetor systems, this jet plays a critical role in regulating fuel flow, allowing the engine to run smoothly under varying loads, from idle to full throttle. Its precise internal design featuring a carefully calibrated orifice balances fuel delivery to prevent rich or lean mixtures, which can lead to poor combustion, reduced power, or excessive wear on engine components. Whether installed in a Suzuki outboard from the late 20th century or used as a replacement part for classic or vintage models, this jet ensures that the engine maintains its intended performance characteristics, including fuel efficiency and throttle response. Ideal for both professional mechanics and DIY enthusiasts, the **09491-64002** is a straightforward yet essential upgrade for restoring or maintaining the peak condition of Suzuki-powered watercraft. Its compatibility with a range of Suzuki outboard models including popular series like the DF, DFH, and DFX makes it a versatile solution for those seeking to enhance engine longevity and performance.

### Pros and Cons of buying a Suzuki 09491-64002 Carburetor Jet

The **Suzuki 09491-64002** is a main jet commonly used in older Suzuki engines, particularly in models like the GSX-R750, DR200S, and other two-stroke and four-stroke applications. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **Authentic Fitment and Reliability**

The 09491-64002 is an original Suzuki part, meaning it is designed to work seamlessly with the carburetor it is intended for. This reduces the risk of compatibility issues, ensuring proper fuel delivery and engine performance. Suzuki s engineering ensures that the jet is calibrated to match the engine s specifications, which can lead to smoother operation and better fuel efficiency compared to aftermarket alternatives that may not be as precisely matched.

2. **Ease of Installation**

Since it is an OEM (Original Equipment Manufacturer) part, it is designed to fit directly into the carburetor without requiring extensive modifications. This makes it a straightforward replacement option for those who need a quick and hassle-free fix. No additional tools or adjustments are typically required beyond basic carburetor maintenance procedures.

3. **Proven Performance**

Suzuki jets like this one have been tested and refined over years of use. They are less likely to cause drivability issues such as stalling, rough idling, or poor acceleration compared to lower-quality aftermarket jets that may not be as well-tested. This makes it a safer choice for those who prioritize reliability over performance tuning.

4. **Availability and Cost**

While not always the cheapest option, OEM parts like this jet are widely available through Suzuki dealerships, authorized distributors, and online marketplaces. The cost is often reasonable, especially when compared to the potential expense of engine damage caused by using incompatible aftermarket parts. Additionally, buying from reputable sources ensures that you receive an authentic part without counterfeit risks.

5. **Compatibility with Tuning**

If you are looking to tune your engine, the 09491-64002 can serve as a solid baseline. Many tuners recommend starting with an OEM jet before making adjustments, as it provides a known reference point. This jet can also be used as a starting point for experimenting with slightly larger or smaller jets to optimize performance.

6. **Durability**

Suzuki parts are generally built to last, especially when compared to cheaper aftermarket alternatives that may wear out quickly or degrade in performance. The 09491-64002 is likely to maintain its effectiveness for a longer period, reducing the need for frequent replacements.

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### **Cons**

1. **Limited Performance Tuning Flexibility**

The 09491-64002 is calibrated for stock performance, which means it may not provide the best power output for modified engines. If you are running a high-performance setup (e.g., forced induction, larger carburetors, or aggressive tuning), this jet may restrict airflow and limit power potential. In such cases, aftermarket jets with larger orifices may be necessary to match the increased fuel and air demands of the engine.

2. **Potential for Outdated Calibration**

Older Suzuki models may have carburetor jets that are calibrated for lower performance standards. If the engine has been modified significantly (e.g., increased displacement, aggressive camshafts, or high-compression cylinders), the stock jet may not deliver optimal performance. This can result in a "choked" engine that struggles to breathe properly, leading to reduced power and efficiency.

3. **Cost Compared to Aftermarket Options**

While not excessively expensive, OEM jets can be more costly than aftermarket alternatives. For budget-conscious buyers, aftermarket jets from brands like **Pike Performance, Mikuni, or Keihin** may offer similar or better performance at a lower price. However, it s important to note that aftermarket jets may require additional tuning to ensure compatibility.

4. **Limited Availability Over Time**

As Suzuki discontinues older models, parts like this jet may become harder to find, especially if they are no longer in production. While they are still available through some distributors, the supply chain may eventually dry up, making it necessary to rely on used parts or aftermarket replacements. This can be a concern for long-term owners of older bikes.

5. **No Performance Upgrades**

Unlike aftermarket jets, which often come in various sizes to accommodate different tuning levels, the 09491-64002 is a fixed-size part. If you want to experiment with performance tuning, you may need to purchase additional jets to find the optimal setting, which can add to the overall cost.

6. **Potential for Wear in Older Engines**

If the engine has significant wear (e.g., worn piston rings, valves, or seals), replacing just the jet may not fully resolve performance issues. The jet is only one component of the carburetor system, and other parts (such as the float level, pilot jet, or carburetor body) may also need attention. Ignoring these factors could lead to recurring problems even after replacing the jet.

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### **Conclusion**

The **Suzuki 09491-64002 carburetor jet** is a reliable and straightforward choice for those seeking an authentic replacement part for their carbureted Suzuki engine. It offers the advantage of being precisely calibrated for stock performance, ensuring compatibility and ease of installation. This makes it an ideal option for daily riders, restorers, or those who prioritize reliability over aggressive performance tuning.

However, if your engine has been modified or you are looking to push performance boundaries, this jet may not be sufficient on its own. In such cases, aftermarket jets or additional tuning may be necessary to unlock the full potential of your engine. Additionally, while OEM parts are durable, their availability may decline over time, making aftermarket alternatives a more future-proof option for some users.

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### **Recommendation**

- You need a quick, reliable replacement for a stock or lightly modified Suzuki engine.

- You prioritize authenticity and ease of installation over performance tuning.

- Your engine is in good condition, and you are not planning significant modifications.

- You want a baseline part to start tuning experiments with other jets later.

- You are running a modified engine (e.g., forced induction, aggressive camshafts, or high-performance carburetors).

- You want more flexibility in tuning and experimenting with different jet sizes.

- You are on a budget and can find equally reliable aftermarket jets at a lower cost.

- You are concerned about long-term availability of OEM parts.

For most stock or lightly modified Suzuki engines, the **09491-64002 is a solid choice** that balances reliability, ease of use, and performance. However, if you are serious about tuning or modifying your bike, pairing it with a set of aftermarket jets (e.g., from **Pike or Mikuni**) may provide better results in the long run. Always ensure that any carburetor adjustments are made gradually and tested to avoid damaging the engine.

Details:

Genuine OEM Suzuki carburetor main jet. Fits numerous years model's.

part #: 0949164002 prices

• $10.94-$16.08

specifications carbthrotatv:

• for makes: Suzuki
• mpn: 09491-64002
• type: Main Jet
• country of origin: Japan

shipping carbthrotatv:

• service: USPS Ground Advantage
• type: Calculated
• cost: $0.00
• carrier: USPS
• transit: 5-10 Days
• class: Standard

general carbthrotatv:

• condition: New
• ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Carburetors

returns carbthrotatv:

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

offer carbthrotatv:

• quantity: 2
• started: February 13, 2026
• options: Ship-to-home
• availability: In Stock
• sold: 0

payments carbthrotatv:

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

seller carbthrotatv:

• rating: 100.0%
• city: Shedd, Oregon
• # reviews: 1896

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