RACE-DRIVEN F-15391 Ring Chain Sprocket 15/40 102L

( Brand: Race-driven ), ( Part Type: Ring Chain Sprocket ), ( Manufacturer Part Number: F-15391 ), ( Material: Stainless Steel )

Review RACE DRIVEN Blue O ring Chain And Silver Sprocket 15/40 Yamaha fits YFZ450R 450R YFZ 2009–2012

Introducing the Race-Driven F-15391 O-Ring Chain Sprocket, specifically designed for Yamaha YFZ450R and YFZ450 models from 2009 to 2012. This high-performance sprocket is an essential upgrade for those seeking improved power delivery, increased efficiency, and enhanced durability for their off-road vehicle.

The F-15391 O-Ring Chain Sprocket boasts a robust design, featuring a precision-machined billet aluminum construction. This material selection not only ensures superior strength but also provides a significant weight reduction compared to stock sprockets. As a result, it contributes to better power-to-weight ratio and increased agility on the trails.

The sprocket comes with an integrated O-ring chain, which is an excellent upgrade from the stock chain. This O-ring chain offers numerous benefits, such as reduced power loss, improved chain retention, and extended chain life. The O-ring seals the chain, preventing dirt and debris from entering the rollers, securing the chain in place, and minimizing power loss due to chain slack.

This Race-Driven F-15391 O-Ring Chain Sprocket is engineered to fit perfectly on the Yamaha YFZ450R and YFZ450 models from 2009 to 2012, ensuring a seamless installation process. The sprocket is compatible with the stock chain adjusters and comes with new bolts for a secure fit.

Additionally, the sprocket includes a 15-tooth design with a 1.125 pitch, ensuring compatibility with the stock drive clutch and O-ring chain. The tooth profile is carefully engineered for optimal power transfer and minimal wear.

In summary, the Race-Driven F-15391 O-Ring Chain Sprocket is an excellent upgrade for your Yamaha YFZ450R or YFZ450 from 2009 to 2012. It offers improved power delivery, enhanced durability, reduced power loss, and a weight reduction for better agility on the trails.

Pros and Cons of Buying a Race-Driven F-15391 O-Ring Chain Sprocket 15/40 for a 2009-2012 Yamaha YFZ450R

a. Enhanced Performance: This high-performance sprocket is designed for racing applications, allowing for increased power transfer and improved acceleration.

b. Durability: The race-driven sprocket is typically made from stronger materials, ensuring longer-lasting use, especially under heavy racing conditions.

c. Precision Manufacturing: The manufacturing process for these sprockets is usually more precise, resulting in a perfect fit and smooth chain operation.

a. Cost: Race-driven sprockets are typically more expensive than their stock counterparts due to the higher-quality materials and manufacturing processes.

b. Not Suitable for Street Use: These sprockets are designed for racing applications and not recommended for street use due to their aggressive tooth design and increased power transfer capabilities.

The decision to buy a Race-Driven F-15391 O-Ring Chain Sprocket 15/40 for a 2009-2012 Yamaha YFZ450R depends on your specific needs and riding style. If you're an avid racer looking for improved performance and durability, this sprocket could be a worthwhile investment. However, if you're a casual rider or plan on using your ATV for street riding, it may not be the best choice due to its increased cost and unsuitability for such conditions.

For those seeking a balance between cost and performance, a high-quality, aftermarket performance sprocket may be a suitable alternative. These sprockets offer improvements in durability and performance compared to stock sprockets, but typically come at a lower cost than their race-driven counterparts. Ultimately, carefully consider your riding style, budget, and goals before making a decision.

part # f15391 prices

• $74.75-$159.95

specifications utvshift:

• for models: Yfz450r, 450r, Yfz
• for makes: Yamaha
• for years: 2009-2012
• brand: Race-driven
• part type: Ring Chain Sprocket
• manufacturer part number: F-15391
• material: Stainless Steel

seller utvshift:

• rating: 99.7%
• # reviews: 118576

returns utvshift:

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

general utvshift:

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

offer utvshift:

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

shipping utvshift:

• service: USPS Ground Advantage, FedEx 2Day, USPS Priority Mail, FedEx Standard Overnight
• class: Standard, Expedited, One-day
• cost: $0.00
• type: Calculated
• carrier: USPS, FedEx
• transit: 4-6 Days

payments utvshift:

• wallet: Paypal
• credit card: Visa
• other

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