NAMURA NA-40005-2K Top End Repair Kit 0.50MM 83.45MM

( Brand: Namura ), ( Manufacturer Part Number: NA-40005-2K ), ( Warranty Details: See Manufacturer )

Review NAMURA Top End Repair Kit 0.50mm 83.45mm #na-40005-2k Yamaha

Namura NA-40005-2K Top End Repair Kit for Yamaha Engines (0.50mm, 83.45mm)

The Namura NA-40005-2K Top End Repair Kit is an essential solution for Yamaha engine enthusiasts and mechanics seeking to restore the performance of their engines. This comprehensive kit is specifically designed to cater to engines with a cylinder bore size of 83.45mm and a valve clearance of 0.50mm.

The kit includes a meticulously selected range of high-quality components, ensuring a precise and accurate repair process. Each item is engineered to maintain the optimal performance and longevity of your Yamaha engine.

1. Valve clearance adjusting shims: These shims are critical for fine-tuning the clearance between the intake and exhaust valves and the piston heads. They are precision-machined for a perfect fit and are available in various thicknesses to accommodate different engine specifications.

2. Valve guide seals: These seals are designed to ensure a tight seal between the valve stem and the guide. They are made of a durable material that can withstand the high temperatures and pressures within the engine.

3. Valve springs: The Namura NA-40005-2K kit comes with high-tensile valve springs that provide the necessary force to properly seat the valves and maintain optimal engine performance.

4. Valve retainers: These components hold the valves in place within the cylinder head. They are made of strong, heat-resistant materials that can withstand the rigors of engine operation.

5. Valve tappets: The Namura NA-40005-2K kit includes new valve tappets, which help to regulate the movement of the valves and maintain a consistent engine idle.

Installing the components in the Namura NA-40005-2K Top End Repair Kit is a straightforward process, making it an ideal solution for both experienced mechanics and engine enthusiasts. Each component is clearly labeled for easy identification and comes packaged in protective materials to ensure they arrive in pristine condition.

By choosing the Namura NA-40005-2K Top End Repair Kit for your Yamaha engine, you are investing in a reliable and efficient solution that will help restore your engine to its peak performance. With its high-quality components and straightforward installation process, this kit is a must-have for any Yamaha engine owner.

Pros and Cons of buying a Namura NA-40005-2K Top End Repair Kit for a Yamaha Engine

The Namura NA-40005-2K Top End Repair Kit is designed for Yamaha engines with a 0.50mm oversize piston and a 83.45mm bore size. In this analysis, we will discuss the advantages and disadvantages of purchasing this repair kit to help you make an informed decision.

1. Comprehensive Repair Solution: This repair kit includes all the necessary components to rebuild the top end of a Yamaha engine, such as piston rings, piston pins, cylinder bore repair rings, and cylinder head gasket.

2. High-Quality Materials: Namura is a reputable brand known for producing top-tier engine repair components. The materials used in this repair kit are designed for durability and performance.

3. Cost-Effective: Purchasing a repair kit instead of individual components can save you money in the long run, as you can reuse some components, such as the crankshaft and connecting rods.

4. Easy Installation: The repair kit comes with clear instructions and diagrams, making the installation process easier for the average DIY mechanic.

1. Upfront Cost: The cost of the repair kit can be a significant investment, especially for those on a tight budget. However, it is essential to consider the long-term savings and performance benefits.

2. Requires Extensive Labor: A top-end engine rebuild involves removing the cylinder head, pistons, and associated components. This process can be time-consuming and labor-intensive, requiring a considerable investment of time and effort.

3. Potential for Unforeseen Damages: During the disassembly process, it is possible to discover hidden damages that may require additional repairs, increasing the overall cost.

The Namura NA-40005-2K Top End Repair Kit offers a comprehensive solution for rebuilding the top end of a Yamaha engine. Its high-quality materials, cost-effectiveness, and ease of installation make it an attractive option for those seeking to restore their engine's performance. However, the upfront cost and labor requirements are significant considerations. Ultimately, if you are committed to restoring your engine to its optimal condition, this repair kit can be a worthwhile investment.

If you are considering purchasing the Namura NA-40005-2K Top End Repair Kit for your Yamaha engine, weigh the pros and cons carefully. Assess your budget, time commitment, and mechanical abilities to determine if this repair kit is the best solution for your needs. If you decide to proceed, ensure that you have all the necessary tools and follow the instructions carefully for optimal results.

part # na400052k prices

• $96.87-$115.16

specifications atvsienna:

• for makes: Yamaha
• brand: Namura
• manufacturer part number: NA-40005-2K
• warranty details: See Manufacturer

shipping atvsienna:

• service: UPS Ground
• transit: 3-6 Days
• type: Fixed
• cost: $0.00
• carrier: UPS
• class: Standard

general atvsienna:

• ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts
• condition: New

payments atvsienna:

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

seller atvsienna:

• rating: 99.8%
• # reviews: 714780

offer atvsienna:

• options: Ship-to-home
• started: May 16, 2026
• availability: In Stock
• quantity: 2
• sold: 0

returns atvsienna:

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

Namura NA-40005-2K Is Similar To:

• Yamaha 22k-11311-02 Genuine 1985-2008 Badger Moto-4 Raptor 80 Cylinder Jug Namura Piston Kit (14.6% similar) $32.89–$59.95. (October 21st, 2024)
• Namura Atpi-su591963-69 2003-2008 Suzuki Ltz400 Atv Piston Kit 11.3 1 Std Comp / 89.96mm (32.5% similar) $93.50–$107.61. (December 13th, 2024)
• Namura Technologies 9361-n411300-atv Piston Kit-std Bore 96.57mm For 2011-2014 Polaris Sportsman 550 Eps (36.4% similar) $84.76–$137.26. (December 15th, 2024)
• Namura Ra-40003 Connecting Rod For 2002-05 Yamaha Yfm660r Raptor (45.6% similar) $89.95–$137.65. (December 16th, 2024)
• Namura Atpi-po378843-32 2003-2013 Polaris Boss 330 Atv Piston Kit 79.45mm (37.2% similar) $82.40. (December 16th, 2024)
• Namura Atpi-ho578307-62 1998-2004 Honda Trx450 Fe Foreman Atv Piston Kit 90.96mm (34.2% similar) $95.19. (December 19th, 2024)
• Namura Na-40001-4 .040 Over Bore Piston Kit For Yamaha 1987-2006 Banshee 350 Yfz350 65.00mm (38% similar) $79.71–$155.16. (December 20th, 2024)
• Namura Na-10042-8 No Pin .080 Over Bore Piston Kit For Honda Fits Rancher 420 88.5mm -no Wrist Pin (38.8% similar) $69.99–$106.51. (December 21st, 2024)
• Namura Technologies Na-30000-4k Piston Kit 1.00mm Oversize To 66.97mm 186-30004 (46.4% similar) $76.73–$92.19. (December 24th, 2024)
• Namura Na-40010f Missing Piece Gasket Kit For Yamaha Rhino 660 And Grizzly Missing Piece (35% similar) $59.95–$103.88. (December 25th, 2024)
• Namura Na-50081-bk1 Top End Repair Kit 79.96mm Size B #na-50081-bk1 Polaris (66.7% similar) $176.15–$215.16. (December 26th, 2024)