RACE-DRIVEN F-46870 Chain Sprocket 12/38

( Brand: Race-driven ), ( Part Type: Chain Sprocket ), ( Manufacturer Part Number: F-46870 ), ( Material: Stainless Steel )

Review RACE DRIVEN Yamaha Chain And Black Sprocket 12/38 fits RAPTOR YFM350 350 2004–2009

Yamaha YFM350 2004-2009 F-46870 12/38 Race-Driven Chain Sprocket

Introducing the F-46870 12/38 Race-Driven Chain Sprocket, an essential upgrade for your Yamaha YFM350 2004-2009 model ATV. Designed and engineered for off-road racing enthusiasts, this high-performance chain sprocket is engineered to deliver unparalleled durability, efficiency, and power transmission.

Crafted from premium quality billet aluminum, this chain sprocket boasts a robust and lightweight construction. The CNC machining process ensures precise dimensions, perfectly balanced weights, and smooth edge finishes, minimizing power loss and reducing vibrations.

The 12/38 tooth configuration offers a perfect balance between acceleration and top-end speed. This setup is ideal for riders seeking optimal power delivery and increased torque. The 12-tooth drive side sprocket efficiently transfers engine power to the wheels, while the 38-tooth driven side sprocket reduces the load on the drive chain, resulting in decreased wear and extended chain life.

This race-driven chain sprocket is compatible with the stock drive chain and comes with an O-ring seal to ensure a perfect fit. The O-ring seal effectively seals the sprocket from the elements, preventing water, mud, and debris from entering, which could potentially damage the internal components.

For added convenience, this high-performance chain sprocket is easy to install, thanks to its bolt-on design. Simply replace the stock sprocket with the new one, ensuring a secure fit by tightening the bolts to the recommended torque specifications.

In conclusion, the F-46870 12/38 Race-Driven Chain Sprocket is an excellent investment for any Yamaha YFM350 2004-2009 rider looking to enhance their ATV's performance, durability, and efficiency. Whether you're a weekend warrior or a professional racer, this upgraded chain sprocket will provide you with the confidence and reliability you need to tackle any terrain.

Pros and Cons of Buying a Yamaha YFM350 Raptor 12/38 Chain Sprocket (F-46870, 2004-2009)

The Yamaha YFM350 Raptor is a popular ATV model known for its durability and performance. Replacing the stock chain sprocket with an aftermarket one, such as the F-46870 model, can offer several benefits. In this article, we will discuss the pros and cons of buying this specific chain sprocket for your Yamaha Raptor.

1. Improved acceleration: A larger rear sprocket size, like 38 teeth, will result in a shorter final drive ratio. This translates to quicker acceleration and better overall performance.

2. Enhanced top end speed: The shorter final drive ratio also contributes to increased top end speed, making the ATV faster and more exhilarating to ride.

3. Better hill climbing ability: The improved torque and power output from the larger sprocket can help the Raptor conquer steep hills more efficiently.

4. Customization: Installing an aftermarket chain sprocket allows you to personalize your ATV and potentially improve its performance.

5. Durability: Aftermarket chain sprockets are often designed with better materials and manufacturing processes, ensuring longer lifespan and durability compared to stock parts.

1. Increased revs: With the shorter final drive ratio, the engine will need to rev higher to maintain the same speed. This can lead to increased engine wear and may not be suitable for all riding styles or conditions.

2. Reduced torque: The larger rear sprocket decreases the amount of torque produced by the engine, which may negatively impact the ATV's ability to pull heavy loads or climb steep inclines.

3. Noise: Upgrading to a larger sprocket may generate more noise due to increased engine RPMs and potentially less efficient power transfer.

4. Cost: Aftermarket chain sprockets can be more expensive than stock parts, and the cost of the installation process may also add to the overall expense.

The decision to buy a Yamaha YFM350 Raptor F-46870 2004-2009 12/38 chain sprocket depends on your riding style, preferences, and goals. If you prioritize acceleration, top end speed, and customization, this upgrade could be beneficial. However, if you frequently ride in conditions requiring heavy loads or steep inclines, the reduced torque and potential increased engine wear might outweigh the benefits. Ultimately, consider your riding style, budget, and the specific requirements of your ATV before making a purchase.

If you primarily ride on flat, open terrains and enjoy high speeds and acceleration, the Yamaha YFM350 Raptor F-46870 2004-2009 12/38 chain sprocket is a worthwhile investment. However, if you frequently encounter steep inclines or haul heavy loads, you may want to consider other upgrades or modifications that prioritize torque and durability. Always ensure you consult your vehicle's user manual and follow proper installation procedures when making any modifications.

part # f46870 price

• $60.45

specifications utvshift:

• for models: Yfm350, 350, Raptor
• for makes: Yamaha
• for years: 2004-2009
• brand: Race-driven
• part type: Chain Sprocket
• manufacturer part number: F-46870
• material: Stainless Steel

seller utvshift:

• # reviews: 120774
• rating: 99.8%

returns utvshift:

• policy: Returns Accepted
• time: 60 Days
• paid by: Seller

shipping utvshift:

• service: USPS Ground Advantage, FedEx 2Day, USPS Priority Mail, FedEx Standard Overnight
• cost: $0.00
• class: Standard, Expedited, One-day
• carrier: USPS, FedEx
• transit: 2-4 Days
• type: Calculated

general utvshift:

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

offer utvshift:

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

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