RENTHAL MN-V71K Rear Ultralight Sprocket Drive Qc MN/V71K

( Brand: Renthal ), ( Manufacturer Part Number: MN/V71K ), ( Compatible Year: 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 ), ( Bundle Description: 1 Pc Genuine Renthal Ultralight Rear Sprockets ), ( Type: Ultralight Rear Sprockets ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review RENTHAL Mn/v71k Ultralight Rear Sprocket Yamaha Drive Qc fits YFZ450R 2009–2018

The Renthal MN/V71K Ultralight Rear Sprocket is an excellent upgrade for the 2009-2018 Yamaha YFZ450R ATVs. This high-performance sprocket is designed to provide a significant weight reduction, contributing to improved acceleration and overall agility.

Manufactured using a combination of advanced materials and techniques, the MN/V71K Ultralight Rear Sprocket is engineered to deliver durability and reliability. Its primary component is a CNC-machined, high-tensile aluminum alloy hub, which not only reduces weight but also enhances strength and rigidity.

The sprocket teeth are precision-cut using a computer numerical control (CNC) machine from a high-strength, heat-treated steel material. This ensures a perfect tooth profile for optimal power transfer and efficient transmission. The teeth are also treated with a hard anodized coating that offers superior resistance to wear and tear.

The Renthal MN/V71K Ultralight Rear Sprocket boasts a unique and innovative spline design, which provides a secure and snug fit to the drive shaft. This design eliminates any potential play or wobble, ensuring smooth and reliable operation. Additionally, the spline design allows for quick and easy removal and installation.

Another notable feature of this sprocket is its compatibility with various chain sizes. The Renthal MN/V71K Ultralight Rear Sprocket comes in various pitches, including 420, 440, and 450, making it a versatile option for various riding styles and terrain conditions.

In summary, the Renthal MN/V71K Ultralight Rear Sprocket is an exceptional upgrade for the Yamaha YFZ450R ATVs. Its ultralight design, durability, precision-cut teeth, innovative spline design, and compatibility with various chain sizes make it a top choice for riders seeking improved acceleration, agility, and overall performance.

The Renthal MN/V71K ultralight rear sprocket is a popular aftermarket option for the Yamaha YFZ450R (2009-2018) quad bike. Below are the potential pros and cons of investing in this component.

1. Weight Reduction: The ultralight design of the Renthal MN/V71K sprocket can help reduce unsprung weight, resulting in improved acceleration and handling.

2. Durability: Renthal is known for manufacturing high-quality components, ensuring the sprocket can withstand heavy usage and rough terrain.

3. Customizability: The lightweight sprocket can be used in conjunction with other performance upgrades, allowing riders to fine-tune their YFZ450R for their specific riding style and preferences.

1. Cost: The Renthal MN/V71K ultralight rear sprocket typically comes with a higher price tag compared to stock or aftermarket alternatives.

2. Installation: Installing the new sprocket may require additional tools and expertise, potentially increasing the overall cost and time investment.

3. Potential Chain Wear: A lighter sprocket may put more strain on the chain, potentially increasing the frequency of chain replacement.

In conclusion, the Renthal MN/V71K ultralight rear sprocket offers several advantages, such as weight reduction, durability, and customizability, but comes with potential drawbacks, such as increased cost, installation challenges, and potential chain wear. Ultimately, the decision to purchase this component depends on an individual rider's priorities, budget, and riding style.

If you value improved acceleration and handling and are willing to invest in a high-quality, durable component, the Renthal MN/V71K ultralight rear sprocket may be a worthwhile investment for your Yamaha YFZ450R (2009-2018). However, if you are budget-conscious or prefer a lower-maintenance option, you may want to consider alternative, more affordable aftermarket sprockets or the stock component.

part # mnv71k price

• $84.15

specifications utvshift:

• for models: Yfz450r
• for makes: Yamaha
• for years: 2009-2018
• brand: Renthal
• manufacturer part number: MN/V71K
• compatible year: 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009
• bundle description: 1 Pc Genuine Renthal Ultralight Rear Sprockets
• type: Ultralight Rear Sprockets
• core charge: Free No Core Charge
• fitment type: Direct Replacement

shipping utvshift:

• service: Standard
• cost: $0.00
• class: Standard
• transit: 4-10 Days
• type: Fixed

general utvshift:

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

returns utvshift:

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

payments utvshift:

• wallet: Paypal
• other
• credit card: Discover

seller utvshift:

• # reviews: 16014
• rating: 98.6%

offer utvshift:

• options: Ship-to-home
• quantity: 1
• started: January 13, 2026
• sold: 0
• availability: In Stock

Renthal MN-V71K Is Similar To:

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• Renthal 765442080958 520 Grooved Front Sprocket 14t #450 520-14gp Fits Honda Trx400 (39.3% similar) $36.39–$38.57. (February 13th, 2025)