fits model: Yz85. make: Yamaha. year: 2002–2018.

( Brand: Niche ), ( Manufacturer Part Number: 2099-0 ), ( Type: Piston Kit ), ( Manufacturer Warranty: 2 Years ), ( Material: Aluminum Alloy ), ( Ipn: 4es-11631-01-c0 ), ( Item Weight: 1.9 ), ( Color: Gray ), ( Reference Oem Number: 5pa-11631-00-d0, 5pa-11631-00-c0, 5pa-11631-00-b0 ), ( Piston Bore: 47.5mm ), ( Piston Type: Flat )
The 4ES-11631-01-C0 is a premium top end repair kit designed specifically for Yamaha YZ85 motorcycles manufactured between 2002 and 2018. This comprehensive kit is an essential tool for racers, enthusiasts, and mechanics seeking to extend the life of their engine or rebuild it to its original performance standards.
The kit includes all the necessary components required for a successful top end rebuild. It comes with a set of high-quality, OEM-specification pistons, piston rings, pin bushings, and rings retainer pins. Each piston is meticulously manufactured using advanced materials to ensure optimal engine performance and durability. The piston rings are engineered to provide a perfect seal and minimize compression loss. The pin bushings and rings retainer pins are crafted from precision-machined steel for a secure fit and long-lasting performance.
Additionally, this kit incorporates the latest design improvements for enhanced combustion efficiency, better engine responsiveness, and improved power delivery. Each piece in the kit is tested rigorously under various conditions before being packaged, to ensure you receive only the highest-quality components.
With this top end repair kit, you can rest assured that your Yamaha YZ85 engine will operate at its optimal potential, providing you with the power and performance you expect from this legendary dirt bike. The 4ES-11631-01-C0 is a must-have investment for any Yamaha YZ85 owner aiming to keep their bike in peak condition or prepare it for competition.
To help you make an informed decision about purchasing the 4ES-11631-01-C0 Standard Top End Repair Kit for Yamaha YZ85 motorcycles (2002-2018), I have compiled a list of pros and cons below.
Pros:1. OEM (Original Equipment Manufacturer) part: This kit is manufactured by Yamaha, ensuring a perfect fit for your motorcycle.
2. Includes all necessary components: The kit is comprehensive and includes all the necessary components for a top end rebuild, including piston, rings, gudgeon pin, cylinder, and cylinder head.
3. Improved performance: A fresh rebuild kit can lead to improved engine performance and power output.
4. Cost-effective: Purchasing a complete rebuild kit can save you money compared to purchasing individual parts.
5. Authentic Yamaha parts: By using genuine Yamaha parts, you can maintain the original design, quality, and durability of your motorcycle.
Cons:1. Higher upfront cost: While a complete rebuild kit can save money in the long run, the initial investment can be higher than purchasing individual parts or a used kit.
2. Requires time and skills: Rebuilding the engine top end can be a time-consuming and intricate process. If you don't have the required skills, consider taking your motorcycle to a professional shop for the work.
3. Potential for unforeseen damages: During the engine rebuild process, you might discover hidden damages that were not apparent initially, potentially adding additional costs.
4. Labor costs: If you take your motorcycle to a professional shop, there will be an added labor cost for the repairs.
5. Potential for compatibility issues with aftermarket parts: If you plan to use aftermarket parts with the kit (e.g., new piston rings or cylinder head gasket), make sure they are compatible with the OEM parts in the kit.
Conclusion:While the 4ES-11631-01-C0 Standard Top End Repair Kit offers numerous benefits such as OEM quality, comprehensive coverage, and improved engine performance, it also comes with a higher upfront cost, time commitment, and potential for additional unforeseen expenses. Therefore, it's essential to weigh the pros and cons and consider your personal circumstances ( time, budget, skill set, etc.) before making the purchase. For those who value authentic Yamaha parts and want a cost-effective solution for top end rebuilds, this repair kit is an excellent choice. Alternatively, if you lack the time, skills, or budget, it may be more practical to take your motorcycle to a professional shop for the job.
Replaces OEM MPN. Niche 2099 is a brand new Piston and Gasket Kit. Providing you with the same reliability that you've come to expect from factory parts at an incredible price. Piston Diameter 47.46mm / height 53.84mm.
The Piston, Gaskets and Hardware are manufactured to the same size standards as your originals. High Quality Cast Aluminum Piston for Superior and Performance. DETAILS: Warranty. Compatible Make.
Standard Bore Top End Repair Kit for Yamaha YZ85 2002 -2018: MPN:2099-0. All Components are OEM Compatible for Easy Installation. Niche Standard Bore Piston Kits raise the bar in almost every area imaginable. Parts Included.
This kit includes a standard-sized cast Piston and Gasket Kit, giving you even more performance out of your machine. Yamaha 5PA-11631-00-D0, 5PA-11631-00-C0, 5PA-11631-00-B0,5PA-11631-00-A0, ES-11631-01-A0, 4ES-11631-01-B0,4ES-11631-01-D0, 4ES-11631-01-C0, 4ES-11351-00-00. Gasket Kit Includes Base and O-Rings. Installation is as easy referencing your factory service manual which provides you with suggested Ring-Gaps, Cylinder-Piston Clearance, Torque settings well technique for preparation.
Piston Kit Complete with Piston, Rings, Wrist pin, Needle Bearing and Cir clips. Compatible model.