NAMURA FX-40045K2 Top End Repair Kit Gas 94.95MM 12.5 Yamaha/gas

( Brand: Namura ), ( Manufacturer Part Number: FX-40045K2 )

Review NAMURA Top End Repair Kit 94.95mm Size 12.5 #fx-40045k2 For Yamaha/gas Gas

Introducing the Namura FX-40045K2 Top End Repair Kit, specifically designed for Yamaha and Gas Gas motorcycles with a cylinder bore of 94.95mm and a stroke length of 12.5mm. This comprehensive repair kit includes all the essential components needed to refurbish the upper part of your engine, ensuring optimal performance and longevity.

The kit comes with high-quality piston rings, consisting of a compression ring, an oil control ring, and two piston rings. These rings are meticulously engineered to provide an excellent seal between the piston and the cylinder wall, reducing blow-by and minimizing engine oil consumption. The piston rings are precision-machined to ensure a perfect fit and are made from a durable, heat-resistant material for enhanced durability.

Additionally, the Namura FX-40045K2 Top End Repair Kit includes a piston pin, piston pin bushings, and a piston pin retaining clip. The piston pin is made from a strong, wear-resistant material to ensure reliable operation, while the piston pin bushings provide a snug fit to minimize friction and wear. The piston pin retaining clip securely holds the piston pin in place, preventing it from coming loose during engine operation.

Moreover, the repair kit comes with a set of piston rings groove sealing compound and a piston ring compressor tool. The sealing compound is applied to the cylinder wall to ensure a proper seal between the rings and the cylinder, preventing any gas or oil leakage. The piston ring compressor tool makes the installation process easier and more efficient, ensuring that the piston rings are installed evenly and correctly.

This top-end repair kit is an excellent choice for motorcycle enthusiasts and mechanics looking to restore their Yamaha or Gas Gas engines to their former glory. With its high-quality components and ease of installation, the Namura FX-40045K2 Top End Repair Kit is a must-have for any workshop or garage.

The Namura FX-40045K2 Top End Repair Kit is designed for Yamaha and Gas Gas motorcycles with a 94.95mm x 12.5 bore and stroke. This repair kit includes various parts to help fix issues with the top end of the engine. Here are some potential pros and cons of purchasing this repair kit:

1. Comprehensive: This repair kit includes a wide range of parts, such as piston rings, piston pin, and connecting rod bushings, making it a one-stop solution for top end engine repair.

2. OEM Quality: Namura is a well-known supplier of OEM (original equipment manufacturer) parts, ensuring that the components in this repair kit are of high quality and will fit properly.

3. Cost-effective: Purchasing individual replacement parts for the top end of the engine can be expensive. A repair kit like this can save money in the long run.

1. Complex Repair: Top end engine repair can be a complex and time-consuming process, requiring specialized tools and knowledge. This repair kit does not include labor or installation instructions.

2. May Not Include All Needed Parts: Depending on the specific issue with the engine, additional parts may be required beyond what is included in this repair kit.

3. Potential for Damage: Working on the engine involves disassembling various components, increasing the risk of damaging other parts if not done properly.

The Namura FX-40045K2 Top End Repair Kit is a comprehensive solution for repairing the top end of Yamaha and Gas Gas motorcycles. Its OEM quality components ensure proper fit and function, and the cost-effectiveness can save money compared to purchasing individual replacement parts. However, top end engine repair can be complex and time-consuming, and this repair kit does not include labor or installation instructions. Additionally, there is a risk of damaging other engine components during the repair process. Ultimately, the decision to purchase this repair kit depends on the individual's mechanical skills, availability of specialized tools, and willingness to invest time and effort into the repair.

If you are comfortable working on motorcycles and have the necessary tools and knowledge, the Namura FX-40045K2 Top End Repair Kit can be a cost-effective solution for repairing the top end of your Yamaha or Gas Gas motorcycle. However, if you are uncertain about your mechanical abilities or do not have the necessary tools, it may be best to consult a professional mechanic to ensure the repair is done properly and safely.

Details:

Top end gasket kit. Piston comes with rings. Comes with enough components to service one engine. Everything for a top end rebuild in one box.

NOTE: Image is for reference only, actual product may vary slightly depending on your specific application. Namura Top End Repair Kit 94.95mm Size A 12.5:1 #FX-40045K2 for Yamaha/Gas: top-end repair kit can help improve the performance of your ride and keeping it running in peak condition.

part #: fx40045k2 prices

• $152.99-$181.86

specifications pistondon:

• for makes: Yamaha
• brand: Namura
• mpn: Fx-40045k2

seller pistondon:

• # reviews: 643174
• city: Grand Rapids, Michigan
• rating: 99.5%

offer pistondon:

• started: October 21, 2025
• quantity: 2
• sold: 0
• availability: In Stock
• options: Ship-to-home

returns pistondon:

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

payments pistondon:

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

shipping pistondon:

• transit: 2-4 Days
• service: UPS Ground
• carrier: UPS
• cost: $0.00
• class: Standard
• type: Fixed

general pistondon:

• condition: New
• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits

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