WISECO PK1202 Top End Piston Kit 193564151353 47.50MM

( Brand: Wiseco ), ( Manufacturer Part Number: PK1202 ), ( UPC: 193564151353 ), ( C.a.r.b. Notice: Not Legal For Sale Or Use In California ), ( Bore Actual: 47.50mm ), ( Bore Oversize: Std ), ( Bore Size: 47.50 Mm ), ( Displacement: 85cc ), ( Note: Ceramic Composite Bore ), ( Stroke: 47.8mm ), ( Type: Piston Kit )

Review WISECO Top End Piston Kit 47.50mm Bore For Yamaha fits YZ85 STD 2002–2020

Introducing the WiseCO 193564151353 Top End Piston Kit for the 2002 Yamaha YZ85 motorcycle, a high-performance upgrade for your engine. This piston kit, with a bore size of 47.50mm, is part number PK1202 in WiseCO's extensive catalog.

The WiseCO piston kit is meticulously engineered to provide optimal power and efficiency for your YZ85. Each piston is crafted from forged aluminum alloy, ensuring superior strength and durability. The piston crown is designed with a polished, dish shape to enhance combustion efficiency and promote even fuel distribution.

Moreover, the piston kit comes with matching piston rings. These rings are precision-manufactured from high-quality, heat-resistant materials to minimize friction and ensure a perfect seal between the piston and cylinder walls. This results in improved power transfer, reduced engine wear, and enhanced overall engine performance.

The piston kit also includes new piston pin, wrist pin retainer, and piston pin bushing. These components are engineered to work seamlessly with the new piston, ensuring a proper fit and smooth operation.

Furthermore, the piston kit comes with a set of new cylinder head gaskets. These gaskets are designed to provide a reliable seal between the engine block and cylinder head, preventing coolant and oil leaks and ensuring a proper compression seal.

Installing the WiseCO 193564151353 Top End Piston Kit in your Yamaha YZ85 is a straightforward process. The kit includes all necessary hardware, making it a convenient and cost-effective solution for upgrading your engine. With this piston kit, you can expect enhanced horsepower, improved engine response, and overall improved performance for your Yamaha YZ85.

Wiseco 193564151353 Top End Piston Kit for 2002-2007 Yamaha YZ85: Pros, Cons, and Conclusion

The Wiseco 193564151353 Top End Piston Kit (std pk1202) is a popular aftermarket piston solution for the 2002-2007 Yamaha YZ85. This kit offers several advantages, but it also comes with some potential drawbacks. In this article, we will discuss the pros and cons of buying this piston kit.

1. Enhanced Performance: The Wiseco piston kit is designed to provide improved power and torque, making it an excellent choice for riders looking to boost their bike's performance.

2. Durability: Wiseco pistons are renowned for their durability and high-quality construction. This kit includes a new piston, ring set, and wrist pin, ensuring a long-lasting solution for your engine.

3. Customizability: Wiseco offers various piston designs to cater to different riding styles and power goals. This kit comes in a standard configuration, but custom pistons can be ordered for specific applications.

4. Improved Compression: The Wiseco piston kit offers increased compression, which can lead to better engine efficiency and increased power output.

1. Cost: The Wiseco piston kit is more expensive than OEM alternatives. However, the potential performance gains and increased durability may justify the investment for some riders.

2. Installation: Installing the piston kit requires some mechanical knowledge and skills. If you are not confident in your abilities, it is recommended to have a professional mechanic perform the installation.

3. Compatibility: Ensure the kit is compatible with your specific Yamaha YZ85 model and year before purchasing. While the kit is designed for 2002-2007 models, there may be minor differences that require additional parts or modifications.

The Wiseco 193564151353 Top End Piston Kit (std pk1202) for the 2002-2007 Yamaha YZ85 offers several advantages, including enhanced performance, durability, and customizability. However, it comes with some potential drawbacks, such as cost and installation complexity. If you are looking to significantly improve your bike's power output and durability, this piston kit may be a worthwhile investment. However, ensure that you are prepared for the installation process and that the kit is compatible with your specific model and year.

If you are confident in your mechanical abilities and are looking for a high-performance piston solution for your Yamaha YZ85, the Wiseco 193564151353 Top End Piston Kit (std pk1202) is an excellent choice. Ensure that you have all the necessary tools and information before installing the kit, and consider ordering custom pistons if you have specific power goals in mind.

Details:

Modified Parts that alter the emissions control related performance from original part they are replacing, These may have catalysts in them but perform differently equipment or require alteration elimination of other components such as oxygen sensors. B1012 - Top End Bearing 14 x 18 16.2mm. Each piston is built from race proven designs that are chosen by the top teams in all forms of racing including Supergrass, Motocross, GNCC, Super bike, and more. Full exhaust systems installed on vehicles that did not originally contain a catalyst and whereby the design allows re installation original function of any other emissions control related components are also considered replacement parts.

EO number and will arrive with appropriate labels to indicate the approved status. Check the shipping calculator for estimated costs. 805M04750 - Yamaha YZ85 '02-19 Polite 1869CS. Some items are made to order and can have longer lead times; check the shipping details for an estimate.

Wiseco complete top end Piston Kits are offered for nearly every popular motorcycle application. These parts do not require approval as long they are used on public highways. High Performance ring kit and alloy pin included with each piston for extended life sustained power. PK1202: Includes The Following Components1869CS - 47.50mm Ring.

Labeling a product as being for Racing Only or Closed Course Competition is not sufficient it to be included under this classification. Competition or Racing Vehicle Parts that are used exclusively in competition on race only vehicles. This means that if a vehicle was not originally equipped with catalyst and all other emissions related controls were connected such as oxygen sensors are reconnected, then the part is considered Replacement Part. Replacement Parts that have the same function and affect on emissions as they are replacing.

It must be a competition vehicle and not used at any time on public highway. If the vehicle has a catalyst and installation of part does not remove catalyst, all other emissions related controls are reconnected, then this is considered replacement. Ask a question at the bottom of. Slip on mufflers in applications whereby the catalyst is not contained original muffler an example of a replacement part.

CW14 - 14mm Round Wire Locks Set of Two.

specifications pistondon:

• for models: Yz85, Std
• for makes: Yamaha
• for years: 2002-2020
• brand: Wiseco
• mpn: Pk1202
• upc: 193564151353
• c.a.r.b. notice: Not Legal For Sale Or Use In California
• bore actual: 47.50mm
• bore oversize: Std
• bore size: 47.50 Mm
• displacement: 85cc
• note: Ceramic Composite Bore
• stroke: 47.8mm
• type: Piston Kit

offer pistondon:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: January 27, 2026
• sold: 0

general pistondon:

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

payments pistondon:

• wallet: Google-pay
• other
• credit card: Visa

shipping pistondon:

• transit: 2-6 Days
• cost: $0.00
• service: Standard
• type: Fixed
• class: Standard

seller pistondon:

• # reviews: 108766
• rating: 99.8%
• city: Lebec, California

returns pistondon:

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

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