RACE-DRIVEN F-21571 Rear Sprocket 40

( Brand: Race-driven ), ( Part Type: Sprocket ), ( Manufacturer Part Number: F-21571 )

Review RACE DRIVEN Yamaha 40 Tooth Rear Silver Sprocket fits RAPTOR YFM350 350 2006

Introducing the Race-Driven F-21571 2006 Yamaha Raptor 350 YFM350 40 Rear Sprocket, an essential upgrade for your high-performance off-road vehicle. This aftermarket sprocket is specifically designed for the 2006 Yamaha Raptor 350 model, offering improved power transfer and enhanced torque.

Crafted from premium materials, this 40 tooth sprocket boasts superior strength and durability. Its robust construction is perfect for demanding off-road conditions, ensuring reliable performance and extended lifespan. The tooth design is meticulously engineered to minimize wear and tear, ensuring smooth power transmission from the engine to the rear wheel.

Installing this Race-Driven sprocket offers numerous benefits for your Yamaha Raptor 350. With a larger rear sprocket, you can expect increased ground clearance, allowing you to tackle more challenging terrain with confidence. Additionally, the larger sprocket results in a shorter final drive ratio, providing quicker acceleration and more responsive handling.

This Race-Driven F-21571 sprocket is easy to install, requiring no special tools or modifications to your Raptor 350. Its OEM-style design ensures a seamless integration with your vehicle, while its high-quality finish adds a touch of style to your off-road machine.

Upgrading your Yamaha Raptor 350 with this Race-Driven 40 tooth rear sprocket not only enhances your vehicle's performance but also guarantees peace of mind, knowing that you're riding on a premium component designed for the most demanding off-road conditions.

In summary, the Race-Driven F-21571 2006 Yamaha Raptor 350 YFM350 40 Rear Sprocket is a must-have upgrade for any serious off-road enthusiast. Its superior strength, durability, and performance benefits make it an indispensable addition to your Raptor 350, transforming your vehicle into an even more formidable off-road machine.

Buying a race-driven Yamaha Raptor 350 (YFM350) with a 40 rear sprocket involves considering several pros and cons that can significantly impact your decision. Here's a list of potential advantages and disadvantages:

1. Enhanced Power Delivery: A larger rear sprocket reduces the number of rotations per mile, allowing the engine to deliver more power to the wheels. This can result in improved acceleration and top speed.

2. Better Off-Road Performance: A larger rear sprocket can help increase ground clearance, making it easier to navigate difficult terrains. It can also improve traction and maneuverability in off-road conditions.

3. Customization: Installing a race-driven 40 rear sprocket can be an excellent option for those who want to customize their ATV for better performance and handling.

4. Competitive Edge: For racers, a larger rear sprocket can provide a competitive edge by allowing for quicker acceleration and higher top speeds on the track.

1. Increased Engine Stress: A larger rear sprocket can put more stress on the engine, potentially leading to increased wear and tear. This can result in higher maintenance costs and a shorter engine lifespan.

2. Reduced Fuel Efficiency: The increased power delivery and acceleration provided by a larger rear sprocket can result in decreased fuel efficiency. This can lead to higher fuel costs and more frequent refueling.

3. Safety Concerns: A larger rear sprocket can make the ATV more difficult to control, particularly in challenging off-road conditions or at high speeds. This can increase the risk of accidents and injuries.

4. Cost: Installing a race-driven 40 rear sprocket on a Yamaha Raptor 350 can be an expensive modification, particularly if you factor in the cost of the sprocket, labor, and any necessary modifications to other components.

In conclusion, buying a race-driven Yamaha Raptor 350 with a 40 rear sprocket can offer several advantages, including improved power delivery, better off-road performance, and increased customization options. However, there are also potential disadvantages, including increased engine stress, reduced fuel efficiency, safety concerns, and high cost.

If you're an experienced off-road rider or racer, and you're willing to invest in the necessary modifications and maintenance, then a larger rear sprocket could be a worthwhile investment. However, if you're a casual rider looking for a reliable and fuel-efficient ATV, then this modification may not be for you.

Ultimately, the decision to buy a race-driven Yamaha Raptor 350 with a 40 rear sprocket depends on your riding style, experience level, budget, and priorities. Consider all of the pros and cons carefully before making your decision.

part # f21571 price

• $31.66

specifications utvshift:

• for models: Yfm350, 350, Raptor
• for makes: Yamaha
• for years: 2006
• brand: Race-driven
• part type: Sprocket
• manufacturer part number: F-21571

offer utvshift:

• quantity: 10
• started: November 12, 2025
• availability: In Stock
• options: Ship-to-home
• sold: 0

general utvshift:

• condition: New
• ATV, Side-by-Side UTV Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain Parts

returns utvshift:

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

payments utvshift:

• credit card: Diners-club
• other
• wallet: Paypal

shipping utvshift:

• service: FedEx 2Day
• type: Fixed
• cost: $0.00
• class: Expedited
• transit: 2-3 Days
• carrier: FedEx

seller utvshift:

• rating: 99.9%
• # reviews: 1992 2

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