fits model: Yfm90, Grizzly, Raptor. year: 2016–2023.

( Brand: Balls ), ( Manufacturer Part Number: 26-1564 ), ( Part Type: Carburetor )
The **Balls 26-1564 Carburetor Kit** is a meticulously engineered performance upgrade designed specifically for the **Yamaha YFM90 Grizzly (2019-2023)** and **Raptor 16 (2016-2023)** models, catering to riders seeking enhanced throttle response, improved fuel efficiency, and a more refined power delivery. This high-performance kit replaces the stock carburetor with a precision-machined, high-flow unit that optimizes air-fuel mixture for both stock and modified engines, ensuring a seamless transition from idle to full throttle. Crafted from durable materials, the kit features a robust body with a **15mm throttle body** and **15mm air intake**, allowing for greater airflow while maintaining structural integrity under high RPM conditions. The kit includes a **comprehensive set of jets and needles**, including a **primary jet (26), pilot jet (15), and a full set of pilot needles**, allowing for fine-tuned adjustments to suit varying riding conditions, from cruising to aggressive trail riding. The **Balls carburetor** is known for its reliability and ease of installation, with a straightforward design that eliminates the need for complex modifications, making it an ideal choice for both DIY enthusiasts and professional mechanics. Whether you're looking to boost power output, improve fuel economy, or simply refine the engine s performance, this kit delivers a noticeable upgrade in throttle smoothness and overall engine responsiveness. Perfect for riders who demand precision and performance without compromising on durability, the **Balls 26-1564 Carburetor Kit** is a must-have for anyone serious about maximizing the potential of their Yamaha YFM90 Grizzly or Raptor 16.
### **Pros and Cons of buying a Balls 26-1564 Carburetor Kit for YFM90 Grizzly (19-23) and Raptor 16-23 Racing**
#### **Pros:**1. **Performance Gains** The Balls carburetor kit is designed to improve throttle response, power delivery, and overall engine efficiency. It is optimized for high-performance applications, which can result in better acceleration and smoother operation compared to stock setups.
2. **Compatibility** The kit is specifically engineered for the Yamaha YFM90 engine found in the Grizzly (19-23) and Raptor 16-23 models. This means it should fit without major modifications, reducing the risk of compatibility issues.
3. **Durability and Quality** Balls is a well-known brand in the off-road and racing community, known for producing high-quality carburetor components. The kit likely includes precision-machined parts, ensuring longevity and reliability under demanding conditions.
4. **Adjustability** Many carburetor kits offer tunability, allowing riders to fine-tune fuel delivery for different riding conditions (e.g., high altitude, heavy loads, or aggressive throttle use). This flexibility can help optimize performance for specific applications.
5. **Support for Racing Modifications** If you plan to use the bike in racing or aggressive riding, this kit may complement other performance upgrades (e.g., exhaust, clutch, or suspension modifications) by providing consistent fuel delivery under high-stress conditions.
6. **Ease of Installation** Since the kit is designed for these specific models, installation should be relatively straightforward compared to aftermarket parts that require extensive modifications.
7. **Potential Fuel Efficiency Improvements** A well-tuned carburetor can optimize fuel-air mixtures, potentially reducing fuel waste and improving overall efficiency, especially if the stock carburetor was running rich or poorly calibrated.
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#### **Cons:**1. **Cost** High-performance carburetor kits are typically more expensive than stock or basic aftermarket alternatives. The price may be a significant investment, especially if you re on a budget or only need minor performance improvements.
2. **Learning Curve** Tuning a carburetor requires an understanding of fuel-air ratios, jet sizing, and engine behavior. If you re not familiar with carburetor adjustments, you may need to spend time learning or hire a professional, adding to the cost.
3. **Potential for Overcomplicating the Bike** If your primary use is casual riding, a high-performance carburetor kit may be overkill. The stock carburetor might already suffice for everyday use, and the extra cost may not justify the gains.
4. **Maintenance Requirements** Carburetors require regular cleaning and maintenance to prevent clogging or improper fuel delivery. If you neglect maintenance, the kit could underperform or fail, leading to further expenses.
5. **Risk of Voiding Warranty** If your bike is still under warranty, installing an aftermarket carburetor kit may void coverage, especially if the manufacturer considers it a non-OEM modification.
6. **Compatibility with Other Mods** If you ve made other modifications (e.g., exhaust, camshafts, or ignition upgrades), the carburetor kit may need additional tuning to ensure everything works harmoniously. Mismatched components can lead to poor performance or engine damage.
7. **Time-Consuming Tuning Process** Achieving optimal performance may require multiple adjustments and test rides. This can be time-consuming, especially if you re not experienced with carburetor tuning.
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### **Conclusion:**The **Balls 26-1564 carburetor kit** is a strong choice for Yamaha YFM90 owners looking to enhance performance, particularly for racing, aggressive riding, or high-demand applications. It offers significant benefits in power, throttle response, and tunability, backed by a reputable brand. However, it is not a necessary upgrade for casual riders or those on a tight budget, as the stock carburetor may already meet their needs.
If you decide to proceed, be prepared for the learning curve, maintenance requirements, and potential additional costs for tuning or professional installation. For best results, pair this kit with other complementary modifications (e.g., exhaust, clutch, or suspension) and invest time in learning how to properly adjust the carburetor.
### **Recommendation:**- **Buy if:** You plan to use the bike for racing, track days, or aggressive off-road riding and want noticeable performance gains. You re willing to invest in tuning and maintenance.
- **Skip if:** You primarily use the bike for casual riding, are on a budget, or prefer simpler, lower-cost modifications. Consider other performance upgrades (e.g., exhaust, air filter, or ignition) first if you re unsure about carburetor tuning.
- **Consider alternatives:** If the Balls kit is too expensive, explore other high-quality carburetor brands (e.g., Walbro, Keihin, or Mikuni) that may offer similar performance at a lower cost. Always ensure compatibility with your specific model.