RACE-DRIVEN F-38436 Rear Sprocket 40T

( Brand: Race-driven ), ( Part Type: Sprocket ), ( Manufacturer Part Number: F-38436 )

Review RACE DRIVEN Yamaha 40t Rear Silver Sprocket fits BANSHEE YFZ350 350 2004–2006

The Yamaha YFZ350, also known as the Banshee, is a popular and high-performance ATV (All-Terrain Vehicle) produced by Yamaha between the years 2004 and 2006. One essential component of the YFZ350's drivetrain system is its 40T rear sprocket (item number: F-38436). This sprocket plays a crucial role in transmitting power from the engine to the wheels, enabling the ATV to traverse various terrains with ease.

The 40T rear sprocket is forged from robust and durable materials, ensuring reliable operation even in the most challenging conditions. Its 40 teeth provide an optimal gear ratio that strikes a perfect balance between power and speed, making it suitable for a wide range of riding styles and terrains.

Measuring approximately 11.2 inches (28.4 cm) in diameter and 10 inches (25.4 cm) in width, this sprocket is designed to fit perfectly on the YFZ350's rear drive shaft. Its tooth pitch is 0.75 inches (19.05 mm), and its hub diameter is 3.9 inches (9.9 cm). The sprocket's teeth are precision machined to ensure accurate engagement with the drive chain, minimizing wear and prolonging the lifespan of the drivetrain components.

The 40T rear sprocket is also designed with a spline drive interface, which securely connects it to the drive shaft and provides a strong connection that can handle the power output of the YFZ350's engine. The sprocket's splines are robust and well-engineered to prevent stripping, ensuring a reliable connection that can handle the rigors of off-road riding.

Additionally, the 40T rear sprocket is compatible with a variety of aftermarket drive chains, allowing users to customize their YFZ350's drivetrain system to better suit their riding preferences and requirements. Its robust and durable construction, combined with its optimal tooth count and precision machining, make it an essential upgrade for any serious YFZ350 off-road enthusiast.

In summary, the 40T rear sprocket (F-38436) is a crucial component of the Yamaha YFZ350's drivetrain system, responsible for transmitting power from the engine to the wheels. Its robust and durable construction, optimal tooth count, and precision machining make it an essential upgrade for any serious off-road rider, ensuring reliable operation and improved performance on various terrains.

The Yamaha YFZ350, also known as the Banshee, is a popular recreational off-road vehicle (ROV) produced by Yamaha between 2004 and 2006. One of the parts that can be upgraded for better performance is the rear sprocket. Here are the pros and cons of buying a 40T rear sprocket for a Yamaha YFZ350:

1. Faster top speed: A larger rear sprocket reduces the number of rotations per mile, allowing the vehicle to cover more ground with each rotation. This results in a faster top speed.

2. Better hill climbing: With fewer rotations per minute (RPM), the engine delivers more torque to the ground, making it easier to climb steep hills.

3. Enhanced acceleration: A larger rear sprocket reduces the load on the engine, allowing it to deliver more power to the wheels for better acceleration.

4. Customization: Installing a larger rear sprocket is a common modification among off-road enthusiasts, and it allows riders to personalize their vehicles to their preferences.

1. Reduced low-end torque: A larger rear sprocket increases the distance between the engine and the ground, reducing the amount of torque delivered to the wheels at lower RPMs. This can make it more difficult to maneuver the vehicle in tight spaces or when starting from a stop.

2. Increased engine wear: A larger rear sprocket reduces the number of RPMs at which the engine operates, but it also increases the load on the engine. This can lead to increased wear and tear on the engine components, potentially requiring more frequent maintenance or repairs.

3. Higher fuel consumption: A larger rear sprocket increases the engine load and requires more power to move the vehicle, resulting in higher fuel consumption.

4. More expensive: A larger rear sprocket is typically more expensive than a stock sprocket, adding to the cost of owning and maintaining the vehicle.

Installing a 40T rear sprocket on a Yamaha YFZ350 can provide several benefits, including increased top speed, better hill climbing ability, and enhanced acceleration. However, it also comes with some drawbacks, such as reduced low-end torque, increased engine wear, higher fuel consumption, and a higher cost. Ultimately, the decision to install a larger rear sprocket depends on the rider's preferences and priorities.

If you prioritize top speed and acceleration, and you are willing to accept the drawbacks, then installing a 40T rear sprocket on your Yamaha YFZ350 could be a worthwhile modification. However, if you value low-end torque and prefer a more fuel-efficient ride, then it may be best to stick with the stock sprocket. Regardless of your choice, make sure to consult your vehicle's owner's manual and consult with a qualified mechanic to ensure safe and proper installation.

part # f38436 price

• $34.98

specifications utvshift:

• for models: Yfz350, 350, Banshee
• for makes: Yamaha
• for years: 2004-2006
• brand: Race-driven
• part type: Sprocket
• manufacturer part number: F-38436

seller utvshift:

• rating: 99.8%
• # reviews: 20597

shipping utvshift:

• service: USPS Ground Advantage, FedEx 2Day
• type: Fixed
• class: Standard, Expedited
• carrier: USPS, FedEx
• cost: $0.00
• transit: 3-7 Days

general utvshift:

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

offer utvshift:

• started: May 25, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 10
• sold: 0

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

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• other
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