YAMAHA 25Y-11601-10-00 Nos Piston Ring Set O/s 0.25MM

( Manufacturer Part Number: 25Y-11601-10-00 ), ( Type: Piston Ring Set ), ( Items Included: Piston Rings ), ( Country Of Origin: Japan )

Review YAMAHA New Nos Piston Ring Set 1st O/s 0.25mm fits IT250 YTZ250

The Yamaha 25Y-11601-10-00 NOS (New Old Stock) piston ring set is specifically designed for outboard two-stroke engines with a compression height of 0.25mm, such as the IT250 and YTZ250 models. This ring set is a replacement option for those in need of engine maintenance or rebuild.

Each piston ring in this set is meticulously crafted to ensure optimal engine performance. The top compression ring is designed to seal the combustion chamber effectively, while the second compression ring provides additional compression and sealing. The oil control ring is responsible for maintaining proper oil distribution and preventing oil leakage.

These rings are manufactured using high-quality materials to ensure durability and reliability. The top and second compression rings are made of a heat-resistant alloy, while the oil control ring is made of a specialized material that provides excellent oil control and wear resistance.

The dimensions of these piston rings are precisely engineered to fit perfectly into the engine cylinder. The outside diameter of the top compression ring measures approximately 61.2mm, while the inside diameter is 59.5mm. The second compression ring has an outside diameter of approximately 60.9mm and an inside diameter of 58.9mm. The oil control ring has an outside diameter of approximately 61.2mm and an inside diameter of 59.8mm.

Installing these piston rings requires attention to detail and proper installation techniques to ensure a proper seal and optimal engine performance. It is recommended to use a piston ring compressor and follow the manufacturer's instructions carefully during installation.

In summary, the Yamaha 25Y-11601-10-00 NOS piston ring set is a high-quality replacement option for outboard two-stroke engines with a compression height of 0.25mm. These rings are meticulously crafted using high-quality materials and are precisely engineered to fit perfectly into the engine cylinder. With proper installation, these piston rings will help ensure optimal engine performance and reliability.

Piston Ring Set (Yamaha 25Y-11601-10-00 for IT250 and YTZ250) - Pros, Cons, and Conclusion

The Yamaha 25Y-11601-10-00 piston ring set is a crucial component for the overhaul of IT250 and YTZ250 engines. In this analysis, we will discuss the advantages, disadvantages, and provide a concluding recommendation.

1. Designed specifically for Yamaha IT250 and YTZ250 engines.

2. Ensures a perfect fit, optimizing engine performance.

3. Manufactured by Yamaha, ensuring OEM (Original Equipment Manufacturer) quality.

4. Helps in reducing engine wear and tear, and improving engine life.

5. May lead to improved fuel efficiency and power output due to better sealing.

1. Purchase of this piston ring set may require engine disassembly, which can be a time-consuming and labor-intensive process.

2. The cost of the piston ring set may be significant for some users, especially if they are not planning a major engine overhaul.

3. Replacing piston rings may not necessarily solve engine performance issues caused by other factors, such as worn valves or a faulty fuel system.

The Yamaha 25Y-11601-10-00 piston ring set is an essential component for maintaining the performance and longevity of IT250 and YTZ250 engines. Although it comes with some drawbacks, such as the need for engine disassembly and the cost, the benefits, including improved engine efficiency and sealing, make it a worthwhile investment for those planning an engine overhaul.

If you are experiencing engine issues or planning a major engine overhaul on your Yamaha IT250 or YTZ250, consider investing in the Yamaha 25Y-11601-10-00 piston ring set. This OEM product ensures a perfect fit and optimizes engine performance while improving engine life. However, it is essential to ensure that other potential issues, such as worn valves or a faulty fuel system, are addressed as well.

Details:

FITS THE FOLLOWING Yamaha model's LOCATION C104: 1986: 1983: YTZ250 Teri-Z.

part #: 25y116011000 prices

• $19.99-$96.99

specifications pistondon:

• for models: It250, Ytz250
• for makes: Yamaha
• mpn: 25y-11601-10-00
• type: Piston Ring Set
• items included: Piston Rings
• country of origin: Japan

shipping pistondon:

• service: USPS Ground Advantage
• cost: $5.10
• carrier: USPS
• type: Fixed
• transit: 5-11 Days
• class: Standard

seller pistondon:

• rating: 99.8%
• city: Saugerties, New York
• # reviews: 806

payments pistondon:

• credit card: Visa
• other
• wallet: Paypal

general pistondon:

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

offer pistondon:

• quantity: 2
• availability: In Stock
• sold: 0
• started: January 2, 2026
• options: Ship-to-home
• best offers: True

returns pistondon:

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

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