NAMURA FX-10042K Top End Repair Kit Piston M-001

( Brand: Namura ), ( Manufacturer Part Number: FX-10042K ), ( Part Type: Piston ), ( Image Note: Image Is For Reference Only, Actual Product May Vary Slightly. ), ( Ships From: Usa ), ( Oem Or Performance: Performance/aftermarket ), ( Vendor: Lionparts Powersports ), ( Handling Time: Approximately 1 Business Day )

Review NAMURA Top end Repair Kit Piston Honda Bore fits CRF250R STD 2016–2017

The Namura FX-10042K M-001 Top-End Repair Kit is specifically designed for the Honda CRF250R motorcycles of the 2016 and 2017 model years (standard version). This kit is a must-have for anyone looking to maintain or enhance the performance of their CRF250R.

The heart of this repair kit is the top-end piston. This is a high-quality, precision-machined component that is designed to provide superior durability and reliability. The piston is made from an advanced alloy that offers excellent heat resistance and strength. Its surface is treated with a special coating to reduce friction and improve engine efficiency.

The kit also includes new rings, which are essential for proper sealing of the engine cylinder. These rings are made from a high-performance material that ensures a tight seal and reduces the risk of oil leaks or combustion gases escaping. The kit includes both compression and oil control rings, ensuring a complete top-end rebuild.

The kit comes with a set of new gaskets, which are crucial for preventing leaks and ensuring a proper seal between engine components. These gaskets are made from a high-temperature material that can withstand the extreme pressures and temperatures of the engine.

The Namura FX-10042K M-001 Top-End Repair Kit is designed to be easy to install, with clear instructions provided in the package. The kit includes all the necessary hardware, making it a complete solution for a top-end rebuild of your Honda CRF250R.

In summary, this repair kit is an essential tool for anyone who wants to keep their Honda CRF250R running at its best. With high-quality components, easy installation, and a comprehensive design, the Namura FX-10042K M-001 Top-End Repair Kit is an excellent investment for any CRF250R owner.

The Namura FX-10042K M-001 top-end repair kit for the Honda CRF250R 2016-2017 standard model is a popular choice among motorcycle enthusiasts seeking to rebuild their bike's engine. Let's examine the potential pros and cons of purchasing this kit.

1. High-quality components: Namura is a well-known and reputable manufacturer of aftermarket motorcycle parts. This kit includes high-performance pistons, rings, and other top-end components designed to enhance engine power and efficiency.

2. OEM-like fit and finish: The Namura kit is engineered to fit and function like original equipment, ensuring a seamless integration with your Honda CRF250R.

3. Improved performance: Upgrading the top end of your engine with high-performance parts can lead to increased horsepower, torque, and overall engine response.

4. Cost-effective: While the upfront cost of the kit may be higher than some OEM alternatives, the potential performance gains and longevity of the parts can make it a cost-effective solution in the long run.

5. Easy installation: The kit includes detailed instructions and all necessary hardware, making the installation process relatively straightforward for most DIY motorcycle enthusiasts.

1. Higher upfront cost: Compared to some OEM alternatives, the Namura kit may carry a higher upfront cost, which could be a deterrent for some buyers.

2. Requires disassembly: Installing the kit involves taking apart the engine, which can be a time-consuming and labor-intensive process.

3. Risk of damaging components: Disassembling and reassembling the engine carries the risk of damaging components or introducing contaminants, which could impact engine performance.

4. Potential for engine modifications: Installing high-performance top-end components may encourage riders to modify other aspects of their engine, potentially leading to additional costs and complexities.

The Namura FX-10042K M-001 top-end repair kit for the Honda CRF250R 2016-2017 standard model offers several advantages, such as high-quality components, improved performance, and OEM-like fit and finish. However, it also comes with some drawbacks, including a higher upfront cost and the need for engine disassembly. Ultimately, the decision to purchase this kit depends on your individual priorities, budget, and technical capabilities.

If you're looking to enhance the performance of your Honda CRF250R and are comfortable with the disassembly process, the Namura FX-10042K M-001 top-end repair kit is a solid choice. However, if you're on a tight budget or prefer a more straightforward solution, consider researching other alternatives or consulting a professional mechanic for advice.

Details:

Our materials are explicitly selected for their temperature, oil, fuel, and coolant-resistant qualities as well tested using ASTM standards. Gaskets: Namura gaskets are manufactured to OE-specs, which means no trimming or fitment issues. Piston: MOS2 Teflon/Molybdenum Coated Skirts: A rolled on application process provides a bond that is 10 times stronger than other spray coatings. Clutch gaskets are available for certain applications.

Brand: Namura Part Number: FX-10042K, Fitment: 2016 2017 HONDA CRF250R Top-End Repair Kit For STD Bore. Each design is evaluated against rigid quality-control standards to ensure each set meets or exceeds OE performance. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures.

part #: fx10042k prices

• $75.00-$100.51

specifications pistondon:

• for models: Crf250r, Std
• for makes: Honda
• for years: 2016-2017
• brand: Namura
• mpn: Fx-10042k
• part type: Piston
• image note: Image Is For Reference Only, Actual Product May Vary Slightly.
• ships from: Usa
• oem or performance: Performance/aftermarket
• vendor: Lionparts Powersports
• handling time: Approximately 1 Business Day

general pistondon:

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

shipping pistondon:

• type: Calculated
• transit: 3-9 Days
• carrier: USPS
• service: USPS Ground Advantage, USPS Priority Mail, USPS Priority Mail Express
• cost: $0.00
• class: Standard, Expedited

payments pistondon:

• wallet: Paypal
• credit card: Mastercard
• other

seller pistondon:

• # reviews: 4294
• city: Eldred, Pennsylvania
• rating: 98.9%

returns pistondon:

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

offer pistondon:

• started: August 27, 2025
• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 3

Namura FX-10042K Is Similar To:

• Namura Technologies Nx-40080-4os 040 Over Bore Piston Kit For Yamaha 1993-2001 Yz80 48mm (41.2% similar) Manufactured by Namura. Made in Taiwan. Kit is for .040 over bore size - 48.00MM. Compression ratio of 8.2:1. Piston dome is anodized for superior heat resistance and longer lifespan. Piston is 47.95MM. Compatible with Yamaha model's below: 1993 YZ80. Kit includes piston, rings, pin...(August 11th, 2024)
• Namura Technologies Nx-30000-c Piston Kit Standard Bore 53.96mm (45.2% similar) Bore: 53.96MM, sizing: standard bore, MOS2 made with Teflon /molybdenum coated skirts - a rolled on application process provides a fits bond...(August 12th, 2024)
• Namura Technologies Nx-30004 Size A 53.94mm Piston Kit For Suzuki 2001-2003 Rm125 Standard Bore 54mm (46.4% similar) Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%. Machined smooth heads - reflects combustion heat and reduces carbon buildup, protecting the top of piston...(August 12th, 2024)
• Namura Technologies Nx-30025-b Piston Kit Standard Bore 66.95mm (43.8% similar) Anodized domes - increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized. Machined smooth heads...(August 13th, 2024)
• Namura Orna-ra418207-gs 2004 Honda Cr125 Dirt Bike Piston Rings 53.95mm (36.8% similar) I need to exchange an item. Parts without fitment are to be assumed universal and may require vehicle modification. 2004 honda CR125 dirt bike Namura piston rings 53.95MM: ring set contains: ring to match a single piston.: brand: Namura, model number: ORAN-RA418207-GS...(August 13th, 2024)
• Namura Nx-10051-2k Top End Repair Kit 0.50mm 39.5mm 10.0 1 Honda Z50r crf50f xr50r (52.8% similar) Everything for a top end rebuild in one box. Comes with enough components to service one engine. Namura top end repair kit 0.50MM 39.5MM 10.0:1 honda Z50R/CRF50F/XR50R: top-end repair kit can help improve the performance of your ride and keeping it running in peak condition...(August 14th, 2024)
• Namura Orna-ra418127-gs 2001-2002 Kawasaki Kx125 Dirt Bike Piston Rings 53.94mm (37.5% similar) Compatibility: Husqvarna cr 125 1998 - 2010 , 2012 2013 , wry 2007 , 2009 honda CR125R 2004 2007 , Kawasaki KX125 2005 , Suzuki RM125 1989 Yamaha YZ125 2014 .: brand: Namura, model number: ORAN-RA418127-GS. Parts without fitment are to be assumed universal and may require vehicle...(August 14th, 2024)
• Namura Technologies Nx-30016-b Piston Kit For Engine Pistons Kits Aw (34.9% similar) Namura NC-30016-B piston kit for engine pistons kits aw: status: in stock...(August 15th, 2024)
• Namura Technologies Nx-20013-b Piston Kit Standard Bore 48.46mm (45.2% similar) Bore: 48.46MM, sizing: standard bore, MOS2 made with Teflon /molybdenum coated skirts - a rolled on application process provides a fits bond that is 10 times stronger than other spray coatings. Actual product may differ from the item shown in photograph. Benefits include increased heat...(August 15th, 2024)
• Namura Nx-10252-2 Piston 71.46mm 0.50mm nx-10252-2 For Honda Crf250f 2019-2022 (50% similar) Piston kits are sold per cylinder. Note: image is for reference only, actual product may vary slightly depending on your specific application. Namura piston 71.46MM 0.50MM #NC-10252-2 for honda CRF250F 2019 -2022: why replace your cylinder when you can the piston a fraction of...(August 16th, 2024)
• Namura Orna-ra426399-gs 2000-2012 Suzuki Drz 400-big Bore Dirt Bike Piston Rings 93.96mm (35.5% similar) 2000-2012 Suzuki Dr 400-BIG bore dirt bike Namura piston rings 93.96MM: ring set contains: ring to match a single piston. This is helpful if you are buying multiple items.: brand: Namura, model number: ORAN-RA426399-GS. I need to exchange an item. Parts without fitment...(August 17th, 2024)