fits model: 350, Banshee. make: Yamaha. year: 2002.

( Manufacturer Part Number: 2GU-11631-00-94 ), ( Type: Piston )
The Yamaha 2GU-11631-00-94 motor block piston is a crucial component of the Banshee 350 engine, manufactured by Yamaha Motor Co. Ltd. This piston assembly is specifically designed for the 2002 model year of the Yamaha Banshee ATV, making it an essential replacement part for those who own or work on this particular all-terrain vehicle.
The motor block piston is the heart of the engine, responsible for transmitting the force generated by the explosion of the fuel-air mixture in the cylinders to the crankshaft, thereby propelling the vehicle forward. The 2GU-11631-00-94 piston is a forged aluminum alloy piston that offers both strength and lightweight characteristics. The piston's crown is engineered with a dish shape to improve combustion efficiency and power output.
The piston also features a compression height of 132.5mm, a total piston height of 162.2mm, and a piston pin diameter of 23mm. Additionally, it comes with a piston ring set that includes a compression ring, an oil control ring, and a top ring. These rings help maintain the proper seal between the piston and cylinder walls, ensuring efficient engine performance and minimizing oil consumption.
The piston's skirt is designed with a gudgeon pin bore of 22mm and a piston pin bore of 23mm, which accommodates the connecting rod that connects the piston to the crankshaft. The piston pin is made of chrome molybdenum steel, providing excellent strength and durability.
The Yamaha 2GU-11631-00-94 motor block piston is a precision-manufactured component that requires precise installation to ensure optimal engine performance. It is recommended to follow the manufacturer's instructions carefully when installing this part. Proper installation includes using the correct amount of piston ring compressor pressure, aligning the piston rings correctly, and ensuring the piston is seated correctly in the cylinder bore.
In summary, the Yamaha 2GU-11631-00-94 motor block piston is a critical component of the 2002 Yamaha Banshee 350 engine. Its forged aluminum alloy construction, efficient combustion design, and precise manufacturing make it a reliable and high-performing replacement part for those who require it. Proper installation is essential to ensure optimal engine performance and longevity.
The Yamaha Banshee 350 is a popular ATV model known for its durability and power. Replacing a motor block piston can be an essential repair for this vehicle. In this article, we will discuss the pros and cons of buying a Yamaha 2002 Banshee 350 engine motor block piston (part number: 2GU-11631-00-94) to help you make an informed decision.
Pros:1. OEM Quality: This motor block piston is an original equipment manufacturer (OEM) part, ensuring optimal fit and function.
2. Durability: Yamaha is known for producing high-quality parts that can withstand the rigors of off-road riding.
3. Improved Performance: A new motor block piston can lead to improved engine performance, including better fuel efficiency and increased horsepower.
4. Peace of Mind: Installing an OEM part guarantees that any warranty coverage for your Yamaha Banshee 350 remains intact.
5. Compatibility: This motor block piston is specifically designed for the 350cc engine of the 2002 Yamaha Banshee, ensuring a perfect fit.
Cons:1. Cost: OEM parts can be more expensive compared to aftermarket alternatives.
2. Availability: Depending on the supplier, availability of OEM parts can be limited, potentially leading to longer wait times for repairs.
3. No Performance Upgrades: An OEM motor block piston does not provide any performance upgrades, unlike aftermarket options.
4. No Cosmetic Upgrades: This part is primarily focused on functionality rather than aesthetics.
Conclusion:When considering buying a Yamaha 2002 Banshee 350 engine motor block piston (part number: 2GU-11631-00-94), it's essential to weigh the pros and cons. The OEM quality, durability, improved performance, and peace of mind offered by this part are significant advantages. However, the higher cost, potential limited availability, and lack of performance or cosmetic upgrades are potential drawbacks. Ultimately, if you prioritize the reliability and functionality offered by an OEM part, the benefits outweigh the cons for your Yamaha Banshee 350 repair.
Recommendation:If you are looking for a reliable, high-performing motor block piston for your Yamaha Banshee 350, the OEM part (2GU-11631-00-94) is the best choice. Ensure you purchase it from a reputable supplier to ensure availability and competitive pricing.
Removed From: 2002 Yamaha Banshee 350 YFZ350 with miles, Please review all pictures to assess the condition of item. 2002 YAMAHA BANSHEE 350 OEM ENGINE MOTOR BLOCK PISTON, This piston is in very good condition and shows normal signs of wear. M-force race crafts.