( Brand: Namura Technologies ), ( Manufacturer Part Number: MN/8W29 ), ( Compatible Year: 2011 2010 ), ( Compatible Model: Sportsman 850 Efi Touring Eps ), ( Bundle Description: 1 Pc Genuine Namura Top End Repair Kits ), ( Type: Top End Repair Kits ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )
Review NAMURA TECHNOLOGIES Mn/8w29 Top End Repair Kit Polaris Vi fits SPORTSMAN EFI TOURING 850 2010–2011
The Namura MN/8W29 Top End Repair Kit is specifically designed for the 2010-2011 Polaris Sportsman 850 EFI Touring VI. This repair kit is an essential solution for anyone looking to breathe new life into their ATV's engine.
The kit includes a comprehensive array of high-quality, OEM-grade components to address common top end wear and tear. The heart of this repair kit is the new set of pistons, rings, and piston pins, meticulously engineered to provide optimal engine performance and efficiency.
The cylinders in this kit are precision-machined to ensure a perfect fit and finish, ensuring a seamless installation process. The cylinders come pre-bored with the correct bore size, eliminating the need for additional boring saving you time and resources.
The kit also includes new piston crowns, which feature an updated design for improved combustion efficiency and reduced engine wear. Additionally, the kit comes with new piston rings and piston ring grooves, ensuring a proper seal and preventing oil leaks.
The connecting rods in the Namura MN/8W29 Top End Repair Kit are also replaced with new ones, ensuring a strong and reliable connection between the pistons and crankshaft. These rods are manufactured using high-strength materials to provide superior durability and longevity.
The kit also includes new gaskets and seals, ensuring a leak-free installation and proper sealing of the engine components. The gaskets are designed to provide a perfect seal while withstanding the extreme temperatures and pressures encountered in an ATV engine.
The Namura MN/8W29 Top End Repair Kit is a comprehensive solution for anyone looking to restore their Polaris Sportsman 850 EFI Touring VI engine to its former glory. With high-quality, OEM-grade components and a straightforward installation process, this kit is an excellent investment for any ATV enthusiast.
In summary, the Namura MN/8W29 Top End Repair Kit for the 2010-2011 Polaris Sportsman 850 EFI Touring VI is a complete solution for addressing top end engine wear and tear. The kit includes new pistons, rings, piston pins, cylinders, piston crowns, connecting rods, gaskets, and seals, ensuring a reliable and efficient engine performance. The precision-machined components provide a perfect fit, and the straightforward installation process saves you time and resources.
The Namura MN/8W29 Top End Repair Kit for 2010-2011 Polaris Sportsman 850 EFI Touring VI can be a valuable investment for those looking to repair or maintain their ATV's engine. Here are some pros and cons to consider before making a purchase:
Pros:1. Comprehensive Kit: The Namura MN/8W29 Top End Repair Kit includes all the necessary components for a top end rebuild, such as pistons, rings, cylinder liners, and gaskets.
2. High-Quality Materials: Namura uses high-quality materials in their repair kits, ensuring a durable and long-lasting repair.
3. Easy Installation: The kit comes with clear instructions and pre-sized components, making the installation process relatively easy for most DIY mechanics.
4. Cost-Effective: Compared to the cost of having a professional shop do the repair, buying the kit and doing it yourself can save you money in the long run.
5. Improved Performance: A top end rebuild can result in improved engine performance, such as increased horsepower and torque.
Cons:1. Time-Consuming: A top end rebuild can be a time-consuming process, requiring several hours to complete.
2. Requires Special Tools: Some of the procedures involved in the top end rebuild may require special tools, which may need to be purchased separately.
3. Risk of Damage: There is a risk of damaging other components during the rebuild process, which could result in additional repair costs.
4. Learning Curve: If you are not experienced in engine rebuilds, there may be a learning curve involved in completing the repair yourself.
In conclusion, the Namura MN/8W29 Top End Repair Kit for 2010-2011 Polaris Sportsman 850 EFI Touring VI can be a worthwhile investment for those looking to save money on repairs and improve their ATV's performance. However, it requires a significant time investment and some specialized tools, and there is a risk of damaging other components during the repair process. Ultimately, the decision to purchase the kit depends on your mechanical skills, availability of time and resources, and your comfort level with engine repairs. If you are unsure about your ability to complete the repair yourself, it may be best to consider having a professional shop do the work.
part # mn8w29 price
- $240.83
specifications atvsienna:
- for models: Efi, Touring, 850, Sportsman
- for makes: Polaris
- for years: 2010-2011
- brand: Namura Technologies
- manufacturer part number: MN/8W29
- compatible year: 2011 2010
- compatible model: Sportsman 850 Efi Touring Eps
- bundle description: 1 Pc Genuine Namura Top End Repair Kits
- type: Top End Repair Kits
- core charge: Free No Core Charge
- fitment type: Direct Replacement
offer atvsienna:
- quantity: 1
- options: Ship-to-home
- started: December 12, 2025
- availability: In Stock
- sold: 0
returns atvsienna:
- policy: Returns Accepted
- time: 30 Days
- paid by: Seller
seller atvsienna:
- rating: 98.3%
- # reviews: 14690
general atvsienna:
- ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts
- condition: New
payments atvsienna:
- credit card: Mastercard
- wallet: Google-pay
- other
shipping atvsienna:
- cost: $0.00
- service: Standard
- transit: 4-8 Days
- class: Standard
- type: Fixed
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1 offer $240.83 USD
- Offer #1: $240.83 price + free delivery = $240.83* total.FREE SHIPPING