NICHE MK1001223 Top Big End Repair Kit 12191-KCY-671 89MM 13101-KCY-670

( Brand: Niche ), ( Manufacturer Part Number: MK1001223 ), ( Type: Gasket Kit ), ( Items Included: Piston, Piston Rings, Wristpin ), ( Circlips: 2, Head Gasket, Base Gasket, O-ring, Ngk Spark Plug ), ( Placement On Vehicle: Front ), ( Oe/oem Part Number: 13103-kcy-670, 13102-kcy-670, 13101-kcy-670, 12251-mbv-013 ), ( Color: Gray ), ( Country Of Origin: China ), ( Universal Fitment: No ), ( Item Width: 8.5 ), ( Item Length: 11.5 ), ( Manufacturer Warranty: 2 Years ), ( California Prop 65 Warning: Warning, Which Is Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information, Visit Www.p65warnings.ca.gov ), ( Ipn: 12191-kcy-671 ), ( Compatible Type: Motorcycle ), ( Compatible Year Range: 1996-2004 ), ( Compatible Model: Xr400r )

Review NICHE 89mm Big Bore Top End Repair Kit For Honda fits XR400

Introducing the MK1001223 89mm Big Top End Repair Kit for Honda XR400 with part number 13101-KCY-670, a comprehensive solution for revitalizing your motorcycle's top end. This repair kit is meticulously designed to fit Honda XR400 models and promises to deliver exceptional value and durability.

The MK1001223 kit includes all the essential components needed to restore your engine's top end. The heart of this repair kit is the precision-machined, oversized 89mm piston. This piston is engineered to provide enhanced power and improved performance compared to the original OEM part. Its superior design features a flat top for optimal combustion efficiency and a reinforced skirt for increased strength and durability.

In addition to the piston, this repair kit also comes with a set of rings, including a compression ring, a ring gap tool, and an oil control ring. These rings are designed to ensure a perfect seal between the piston and the cylinder, ensuring optimal engine performance and longevity. The oil control ring is specifically designed to minimize oil consumption and improve engine efficiency.

Moreover, the MK1001223 kit includes a new set of piston pin and piston pin bushings. These components are essential for the proper functioning of the piston and are often worn out or damaged over time. The new bushings ensure a tight fit and reduce the friction between the piston pin and the cylinder, leading to smoother engine operation and reduced wear.

Lastly, the kit comes with a set of cylinder head gaskets and a cylinder head bolt kit. These components are crucial for maintaining the integrity of the engine and ensuring a proper seal between the cylinder head and the engine block. The new gaskets and bolts ensure a leak-free engine and provide peace of mind for the rider.

In summary, the MK1001223 89mm Big Top End Repair Kit for Honda XR400 is a complete solution for restoring your engine's top end. This kit includes all the necessary components for a successful repair, such as an oversized piston, rings, piston pin and bushings, and cylinder head gaskets and bolts. With this repair kit, you can expect improved engine performance, reduced wear, and increased durability for your Honda XR400.

MK1001223 89mm Big Top End Repair Kit for Honda XR400 (13101-KCY-670): A Detailed Analysis

The MK1001223 89mm Big Top End Repair Kit for Honda XR400 (13101-KCY-670) is a crucial component for those who own this motorcycle model and require engine repair. This kit aims to provide a complete solution for the top end of the engine, addressing common issues related to worn-out or damaged parts. In this analysis, we will discuss the key features, benefits, and potential drawbacks of this product to help you make an informed decision.

1. Contains all necessary parts for a top end rebuild, including piston, rings, gudges, and other related components.

2. Designed specifically for Honda XR400 models, ensuring proper fit and function.

3. High-quality materials and manufacturing processes to ensure longevity and performance.

1. Restores engine performance and efficiency: A worn-out top end can significantly impact engine performance, leading to decreased power output, poor fuel economy, and even engine damage. By replacing these parts, you can restore your engine's optimal performance and efficiency.

2. Saves time and money: Purchasing a complete repair kit instead of individual parts can save you time and money, as you won't have to search for each component separately. Additionally, having all the necessary parts on hand can help reduce labor costs.

3. Enhances engine durability: By investing in a high-quality repair kit, you can help extend the life of your engine and prevent future repair costs.

1. Cost: While the repair kit may save you money in the long run, the upfront cost can be substantial. However, considering the potential savings from avoiding individual part purchases and labor costs, this investment may still be worthwhile.

2. Installation complexity: Installing the new parts requires a certain level of mechanical skill and knowledge. If you're not confident in your abilities, you may need to hire a professional to complete the installation.

The MK1001223 89mm Big Top End Repair Kit for Honda XR400 (13101-KCY-670) is a valuable investment for those seeking to restore their engine's performance and efficiency. While the upfront cost may be high, the potential savings from eliminating individual part purchases and labor costs make it a worthwhile investment for serious Honda XR400 enthusiasts. Additionally, the high-quality materials and manufacturing processes used in the kit can help extend the life of your engine and prevent future repair costs.

If you own a Honda XR400 and suspect that your engine's top end needs repair, consider purchasing the MK1001223 89mm Big Top End Repair Kit (13101-KCY-670). This comprehensive kit contains all the necessary parts to restore your engine's performance and durability, making it a wise investment for any serious motorcycle enthusiast. However, be sure to weigh the upfront cost against the potential savings and consider your mechanical skills before making the purchase.

Details:

The custom designed Piston also helps increase power in the low to mid PMS. The Molly-coated performance Piston Kit increases the stock compression from 9.1:1 to 10:1. Providing you with the same reliability that you. Ve come to expect from factory parts at an incredible price. The high-performance gasket kit gives your engine more reliability and longevity.All of the parts included are direct replacement for easy, hassle-free installation with no modifications or adjustments needed.

NICHE 89mm Big Bore Top End Repair Kit for Honda XR400 13101-KCY-670:: Gasket Part Number: MK1001223, Includes: Piston, Piston Rings, Wristpin, Circlips 2, Head Gasket, Base O-Ring, NGK Spark Plug, Fits Vehicles: XR400R: 1996 -2004, TRX400 X 2X4: 2009 -2014, Sportrax 400 EX 1999 -2008. Included in this kit is: Piston, Piston Rings, Wristpin, Circlips 2, Spark Plug, Head Gasket, Base Gasket and O-Ring. This NICHE product includes a Limited Warranty. Everything has been engineered and tested to exceed original equipment standards performance.

part #: mk1001223 prices

• $29.95-$122.95

specifications pistondon:

• for makes: Honda
• brand: Niche
• mpn: Mk1001223
• type: Gasket Kit
• items included: Piston, Piston Rings, Wristpin
• circlips: 2, Head Gasket, Base Gasket, O-ring, Ngk Spark Plug
• placement on vehicle: Front
• oe/oem part number: 13103-kcy-670, 13102-kcy-670, 13101-kcy-670, 12251-mbv-013
• color: Gray
• country of origin: China
• universal fitment: No
• item width: 8.5
• item length: 11.5
• manufacturer warranty: 2 Years
• california prop 65 warning: Warning, Which Is Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information, Visit Www.p65warnings.ca.gov
• ipn: 12191-kcy-671
• compatible type: Motorcycle
• compatible year range: 1996-2004
• compatible model: Xr400r

shipping pistondon:

• type: Fixed
• cost: $0.00
• carrier: USPS, UPS
• service: USPS Ground Advantage, UPS 2nd Day Air, UPS Next Day Air Saver
• class: Standard, Expedited, One-day
• transit: 3-7 Days

payments pistondon:

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

returns pistondon:

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

general pistondon:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Gaskets, Seals Kits
• condition: New

offer pistondon:

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

seller pistondon:

• city: New Baltimore, Michigan
• # reviews: 195031
• rating: 99.4%

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