AUTOPARTS Carburetor Repair Yamaha Yfz Kit 799410300793 450

( Brand: Autoparts ), ( Part Type: Kit ), ( UPC: 799410300793 ), ( Compatible With Vehicle Type: Atv ), ( Specific Uses For Product: Performance )

Review AUTOPARTS Carburetor Repair Kit Replacement Yamaha Yfz 450

The **Yamaha YFZ450 2004 2009 Carburetor Repair Kit (Part #799410300793)** is a meticulously engineered solution designed to restore peak performance, reliability, and fuel efficiency to the iconic Keihin carburetor system found in these rugged, high-performance off-road motorcycles. This premium repair kit is crafted to address common wear-and-tear issues, such as clogged jets, degraded seals, and worn throttle linkages, ensuring your YFZ450 runs with the same precision and power it was originally engineered for. The kit includes a comprehensive selection of high-quality, OEM-spec replacement parts, including precision-machined **carburetor jets** (main, pilot, and air bleeds) that maintain the exact fuel-air mixture ratios critical for optimal throttle response and fuel economy. For a seamless rebuild, the kit features **durable rubber gaskets and seals**, including the intake and exhaust gaskets, which prevent leaks and maintain vacuum integrity, while the **throttle cable and linkage** components are designed to eliminate play and ensure smooth, responsive operation essential for both aggressive trail riding and competitive off-road racing. Additionally, the kit includes **cleaner jets and filters**, allowing for thorough disassembly and cleaning of the carburetor s internal passages, which is vital for removing carbon buildup and restoring proper airflow. Whether you're tackling a routine maintenance check or addressing performance degradation after years of demanding use, this repair kit provides everything needed to perform a professional-grade rebuild with confidence. Built to Yamaha s exacting standards, the components in this kit are compatible with the YFZ450 s Keihin carburetor system, ensuring a perfect fit and reliable performance. With clear instructions and a focus on durability, this repair kit is an indispensable tool for any Yamaha enthusiast looking to revive their bike s original power and handling characteristics.

### **Pros and Cons of buying a Carburetor Repair Kit (Part #799410300793 for Yamaha YFZ450 2004 2009)**

1. **OEM Quality and Compatibility** This is a genuine Yamaha replacement kit, meaning it is designed specifically for your 2004 2009 YFZ450. It should fit perfectly without modifications, reducing the risk of improper installation or leaks.

2. **Complete Repair Solution** The kit includes all necessary components for a full carburetor rebuild, such as jets, gaskets, seals, and often a new throttle body or carburetor body if needed. This eliminates the need to source individual parts separately.

3. **Improved Performance and Reliability** A properly rebuilt carburetor can restore optimal fuel mixture, leading to better throttle response, smoother idling, and improved engine efficiency. If your bike was running poorly due to a worn carb, this kit can significantly improve performance.

4. **Cost-Effective Alternative to Replacement** While a new carburetor might cost more, a repair kit is often cheaper than buying a complete new unit. This makes it a practical choice if your carburetor is still structurally sound but just worn out.

5. **Prevents Future Issues** If your carburetor was failing due to clogged jets, worn seals, or vacuum leaks, repairing it now can prevent more serious engine problems down the line, such as fouled spark plugs, hesitation, or even long-term damage.

6. **Easier Maintenance** Since the kit includes fresh gaskets and seals, reassembling the carburetor is cleaner and less prone to leaks compared to using old, degraded parts.

7. **Warranty Coverage** If purchased from an authorized Yamaha dealer or a reputable aftermarket supplier, the kit may come with a warranty, providing peace of mind against defects.

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1. **Skill and Time Required** Rebuilding a carburetor requires precision, patience, and some mechanical knowledge. If you lack experience, you may struggle with tasks like cleaning jets, checking valve seals, or reassembling components properly. A poorly done job can lead to performance issues or even damage.

2. **Potential for Mistakes** Even with instructions, common errors like incorrect jet sizing, improper gasket placement, or failing to clean carburetor passages can result in poor fuel delivery, rough idling, or stalling. Some riders may need to disassemble and reassemble the carb multiple times before getting it right.

3. **Additional Tools Needed** A carburetor rebuild may require specialized tools such as carburetor cleaning solvents, a jet cleaning tool, a torque wrench (for precise tightening), and possibly a vacuum gauge to check for leaks. If you don t already own these, purchasing them adds to the overall cost.

4. **Risk of Contamination** If the carburetor was removed from a dirty engine or if parts are not cleaned thoroughly before reassembly, debris can clog jets or passages, negating the benefits of the repair. This requires meticulous cleaning during the process.

5. **Not a Permanent Fix for Underlying Issues** If the carburetor s body is cracked, warped, or severely corroded, a repair kit won t solve structural problems. In such cases, a full carburetor replacement may be necessary.

6. **Time-Consuming Process** Rebuilding a carburetor can take several hours, especially for a beginner. This downtime means your bike won t be rideable until the job is completed, which may be inconvenient if you rely on it daily.

7. **Quality Variability (Non-OEM Kits)** While this is an OEM kit, some aftermarket alternatives may use lower-quality materials. However, since this is a Yamaha part, quality should be consistent with the original.

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The **Yamaha carburetor repair kit (799410300793)** is a solid choice for riders looking to restore their 2004 2009 YFZ450 s carburetor without the expense of a full replacement. It offers **OEM compatibility, improved performance, and cost savings** if the carburetor is otherwise in good condition. However, it requires **time, patience, and some mechanical skill** to install correctly. If you re comfortable with carburetor maintenance or are willing to learn, this kit is a practical and effective solution.

For those who lack experience, hiring a professional mechanic may be worth the extra cost to ensure a proper rebuild. If the carburetor is beyond repair due to physical damage, a new unit might be the better long-term investment.

- **If you re confident in your mechanical abilities** and have the time to dedicate to the project, **purchase the repair kit** and follow Yamaha s service manual or a trusted online guide (such as those from *Yamaha Owners Manuals* or *Motorcycle Mechanics Forum*) for step-by-step instructions.

- **If you re unsure about the condition of your carburetor** (e.g., if it s leaking excessively or has visible damage), consider **inspecting it first** or consulting a mechanic before committing to the repair.

- **If you prefer convenience and don t mind paying more**, a **new OEM or high-quality aftermarket carburetor** (e.g., from *Keihin* or *Walbro*) may be a safer option, especially if you re not comfortable with carburetor rebuilds.

- **For best results**, clean the carburetor thoroughly before rebuilding, use fresh gaskets, and test the bike afterward with a **vacuum gauge** to ensure proper sealing and fuel delivery.

Ultimately, this repair kit is **ideal for experienced riders or those willing to invest time in learning**, while a replacement may be preferable for those seeking a hassle-free solution.

Details:

Fit for: 2004 2009 Yamaha YFZ 450 Four-Wheeler's. USA Stock Free Shipping. Included in this kit:chamber gasket,needle valve,jet needle, e clip,air screw,air spring,main jet #90,main #155,main #70,slow #48,slow #40, o ring,washer,screw throttle,spring throttle,nozzle,top cover gasket.

specifications speakerpartgo:

• brand: Autoparts
• part type: Kit
• upc: 799410300793
• compatible with vehicle type: Atv
• specific uses for product: Performance

offer speakerpartgo:

• availability: In Stock
• started: May 27, 2026
• options: Ship-to-home
• sold: 0
• quantity: 1

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• policy: No Returns

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• # reviews: 1240
• city: Miami, Florida
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• cost: $0.00
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• type: Fixed
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• condition: New

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