POLARIS 1UY-17161-01-00 Pinion Gear 6TH 29T AY6

( Manufacturer Part Number: 1UY-17161-01-00 ), ( Type: Gear )

Review POLARIS Oem 6th Pinion Gear 29t Ay6 fits TRAIL BOSS 250 1990

The Polaris 1YU-17161-01-00 1990 Trail Boss 250 6th Pinion Gear 29T, manufactured by Aycar Performance Products, is a high-quality replacement component for the Polaris Trail Boss 250 ATV model from the year 1990. This pinion gear is an essential part of the drivetrain system, responsible for transferring power from the transmission to the final drive.

This Aycar Performance Products pinion gear is specifically designed for the Polaris Trail Boss 250, ensuring a perfect fit and seamless integration into the vehicle's powertrain. The gear is manufactured using premium materials, such as hardened and tempered steel, which provide enhanced durability and resistance to wear and tear.

The 29T pitch of this pinion gear offers improved torque and power delivery to the final drive, resulting in better acceleration and overall performance. The Aycar Performance Products pinion gear is also engineered to provide quieter operation compared to the original equipment, ensuring a more enjoyable riding experience.

Installation of this pinion gear is straightforward, making it a popular choice among ATV enthusiasts and mechanics alike. It comes with all necessary hardware for installation, including new seals to ensure a proper seal and prevent any potential leaks.

In summary, the Polaris 1YU-17161-01-00 1990 Trail Boss 250 6th Pinion Gear 29T by Aycar Performance Products is a reliable and robust replacement component for the drivetrain system of the 1990 Polaris Trail Boss 250 ATV. It offers enhanced durability, improved performance, and quieter operation, making it a worthwhile investment for any Trail Boss 250 owner.

Pros and Cons of Buying a Polaris 1990 Trail Boss 250 6th Pinion Gear 29T (Ay6)

The Polaris Trail Boss 250 is a popular all-terrain vehicle (ATV) model, and the 6th pinion gear 29T (Ay6) is a vital component of its drivetrain. Replacing this gear may be necessary due to wear or damage. In this article, we will discuss the pros and cons of buying this specific part.

1. Improved Performance: A new 29T pinion gear can enhance the ATV's overall performance by improving its torque and power output. This can result in a smoother and more responsive riding experience.

2. Enhanced Durability: The Polaris 29T pinion gear is designed to be robust and long-lasting. It is manufactured using high-quality materials, ensuring that it can withstand the rigors of off-road riding.

3. OEM (Original Equipment Manufacturer) Part: By purchasing an OEM part directly from Polaris, you can ensure that the gear is a perfect fit for your ATV, and it comes with the manufacturer's warranty.

4. Reliability: As this is an OEM part, you can trust its reliability and consistent performance. It is specifically engineered to work seamlessly with the other components of the Trail Boss 250.

1. Cost: Replacing the 6th pinion gear with an OEM part can be quite expensive compared to aftermarket alternatives. The high cost may be a deterrent for some buyers.

2. Availability: Depending on the availability of the part from Polaris dealers or distributors, it may take some time to receive the gear. This could result in a longer downtime for your ATV.

3. Installation Complexity: Installing the pinion gear can be a complex process, and it may require specialized tools and knowledge. If you are not confident in your ability to install the part yourself, it is recommended to have it installed by a professional.

The Polaris 1990 Trail Boss 250 6th Pinion Gear 29T (Ay6) is a high-quality OEM part that can significantly improve the performance and durability of your ATV. While it comes with some disadvantages such as cost and availability, the pros typically outweigh the cons. If you prioritize the reliability and consistent performance of your ATV, investing in an OEM part like this one is a wise decision.

If you are in the market for a new 6th pinion gear for your Polaris Trail Boss 250 and are looking for the best possible performance and reliability, we recommend purchasing the OEM Polaris 29T pinion gear (Ay6). While it may come with a higher price tag and longer wait times, the benefits it provides in terms of improved performance, enhanced durability, and reliability make it a worthwhile investment for any serious off-road enthusiast.

part # 1uy171610100 prices

• $60.19-$109.99

specifications utvshift:

• for models: 250, Trail, Boss
• for makes: Polaris
• for years: 1990
• manufacturer part number: 1UY-17161-01-00
• type: Gear

seller utvshift:

• rating: 99.2%
• # reviews: 24228

shipping utvshift:

• cost: $0.00
• class: Expedited
• carrier: USPS
• service: USPS Priority Mail
• type: Fixed
• transit: 5-12 Days

general utvshift:

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

payments utvshift:

• other
• credit card: Visa
• wallet: Paypal

returns utvshift:

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

offer utvshift:

• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• best offers: True
• started: September 12, 2025

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