RENTHAL MN-B2AA Rear Ultralight Sprocket MN/B2AA

( Brand: Renthal ), ( Manufacturer Part Number: MN/B2AA ), ( Compatible Year: 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 ), ( Compatible Model: Yfm350x Warrior ), ( 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/b2aa Ultralight Rear Sprocket Yamaha Ma fits WARRIOR YFM350X 1989–2003

Introducing the Renthal MN/B2AA Ultralight Rear Sprocket, an exceptional upgrade for your 1989-2003 Yamaha YFM350X Warrior. This high-performance sprocket is designed to provide superior strength and durability while significantly reducing unsprung weight for improved handling and acceleration.

The Ultralight Rear Sprocket from Renthal is manufactured using a 7075 T6 aluminum alloy, known for its high strength-to-weight ratio. This material ensures that the sprocket is robust enough to withstand the rigors of off-road riding, yet light enough to contribute to a more agile and responsive vehicle. Weighing in at approximately 1.2 lbs (545g), this sprocket is a noticeable reduction from the stock sprocket's weight, resulting in a more responsive and nimble ATV.

The Renthal MN/B2AA Ultralight Rear Sprocket features a 28-tooth design, which is suitable for most riding styles and conditions. The tooth profiles are carefully engineered for optimal power transfer and quiet operation. The sprocket also comes with a 1.25" (32mm) pitch, ensuring compatibility with most aftermarket and OEM drive chains.

Installation of the Ultralight Rear Sprocket is straightforward and can be completed using common hand tools. The sprocket comes with a new, high-quality 520 O-ring chain and an adjustment tool, making it a complete kit for your ATV upgrade. Additionally, Renthal offers a comprehensive range of drive chain components to ensure a perfect fit and optimal performance.

In summary, the Renthal MN/B2AA Ultralight Rear Sprocket is an excellent choice for riders seeking improved handling, acceleration, and reduced unsprung weight for their Yamaha YFM350X Warrior. Its robust construction from high-strength aluminum alloy, sleek design, and easy installation make it an essential upgrade for off-road enthusiasts.

Renthal MN/B2AA Ultralight Rear Sprocket for 1989-2003 Yamaha YFM350X Warrior: Pros, Cons, and Conclusion

The Renthal MN/B2AA Ultralight Rear Sprocket is a popular aftermarket option for the 1989-2003 Yamaha YFM350X Warrior. In this analysis, we will discuss the benefits and drawbacks of using this product to help you make an informed decision.

1. Weight Reduction: The primary advantage of the Renthal MN/B2AA Ultralight Rear Sprocket is its lightweight design. By reducing unsprung weight, the sprocket can improve acceleration, responsiveness, and overall handling.

2. Durability: Renthal is a reputable manufacturer known for producing high-quality components. The MN/B2AA Ultralight Rear Sprocket is no exception, offering excellent durability and resistance to wear and tear, ensuring long-lasting performance.

3. Compatibility: This sprocket is specifically designed for the Yamaha YFM350X Warrior, ensuring a perfect fit and eliminating the need for any modifications.

4. Customization: Upgrading to a lighter sprocket can be a part of a broader customization project, allowing riders to fine-tune their ATVs to their preferences and riding styles.

1. Cost: The Renthal MN/B2AA Ultralight Rear Sprocket is more expensive than OEM alternatives. However, its benefits, such as weight reduction and increased performance, may justify the investment for some riders.

2. Installation: Installing the sprocket may require some mechanical skills and tools. Riders who are not confident in their abilities may consider hiring a professional or seeking assistance from a knowledgeable friend or mechanic.

3. Potential Impact on Top Speed: While the lightweight sprocket can improve acceleration and responsiveness, it may slightly decrease top speed due to the reduced gear ratio. However, this is generally a desirable trade-off for the enhanced performance in the powerband.

The Renthal MN/B2AA Ultralight Rear Sprocket offers several advantages for the 1989-2003 Yamaha YFM350X Warrior, including weight reduction, improved handling, and increased durability. Its drawbacks, such as cost and installation requirements, may be outweighed by the benefits for riders who prioritize acceleration, responsiveness, and overall performance.

If you're looking to enhance the performance of your Yamaha YFM350X Warrior and are willing to invest in a high-quality, lightweight rear sprocket, the Renthal MN/B2AA Ultralight Rear Sprocket is a solid choice. It can provide noticeable improvements in acceleration, responsiveness, and handling, making your riding experience more enjoyable and engaging.

part # mnb2aa price

• $94.90

specifications utvshift:

• for models: Yfm350x, Warrior
• for makes: Yamaha
• for years: 1989-2003
• brand: Renthal
• manufacturer part number: MN/B2AA
• compatible year: 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991
• compatible model: Yfm350x Warrior
• bundle description: 1 Pc Genuine Renthal Ultralight Rear Sprockets
• type: Ultralight Rear Sprockets
• core charge: Free No Core Charge
• fitment type: Direct Replacement

payments utvshift:

• credit card: Mastercard
• other
• wallet: Google-pay

returns utvshift:

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

shipping utvshift:

• service: Standard
• class: Standard
• transit: 3-5 Days
• type: Fixed
• cost: $0.00

offer utvshift:

• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: November 16, 2025
• sold: 0

general utvshift:

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

seller utvshift:

• rating: 98.1%
• # reviews: 13601

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