YAMAHA 1W5-11610-40 Nos Piston Ring Set 1.00MM

( Manufacturer Part Number: 1W5-11610-40 ), ( Part Type: Ring Piston ), ( Country Of Origin: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: K6 Mot-n Buk 34 Bin 1 )

Review YAMAHA Nos 1.00mm Oversize Piston Ring Set Oem fits IT250 1977–1981

Introducing the Yamaha 1W5-11610-40 piston ring set, specifically designed for use in IT250 engines manufactured between 1977 and 1981. This set comprises four piston rings, each engineered to ensure optimal engine performance and longevity.

The first ring in this set is the compression ring, which seals the combustion chamber and facilitates the transfer of combustion forces to the piston. Crafted from high-quality material with a thickness of 1.00mm, this ring is meticulously manufactured to provide an excellent seal and enhance overall engine efficiency.

The second ring in the set is the oil control ring. This essential component is responsible for preventing oil from leaking into the combustion chamber during engine operation. Made of the same 1.00mm thick material, the oil control ring effectively regulates oil flow and maintains the necessary engine lubrication levels.

The third component in the Yamaha 1W5-11610-40 piston ring set is the oil scraper ring. Positioned between the piston and the cylinder wall, this ring is designed to scrape excess oil from the cylinder walls and send it back to the sump for recirculation. The oil scraper ring's precise design and manufacturing ensure that the engine maintains an adequate oil supply while minimizing oil consumption.

Lastly, the fourth ring in the set is the piston pin oiler ring. This ring is located at the bottom of the piston and helps maintain the lubrication of the piston pin. The 1.00mm thick piston pin oiler ring provides a consistent oil film, ensuring smooth piston movement and reducing wear and tear on the piston pin.

This Yamaha piston ring set is a must-have for engine rebuild projects or routine maintenance on IT250 engines from the designated period. Each ring is meticulously manufactured to ensure a perfect fit, and the use of high-quality materials guarantees their durability and effectiveness. By upgrading your engine with this piston ring set, you can improve its overall performance and extend its lifespan.

A Detailed Analysis of Buying a Yamaha 1W5-11610-40 NOS Piston Ring Set for IT250 (1977-1981)

This analysis aims to provide an unbiased assessment of the decision to purchase a Yamaha 1W5-11610-40 NOS (New Old Stock) piston ring set for IT250 motorcycles manufactured between 1977 and 1981.

1. Authenticity: NOS parts are original and have not been used, ensuring they maintain their original quality and fit.

2. Durability: Yamaha is known for its high-quality components, and these piston rings are no exception. They are designed to provide reliable performance and longevity.

3. Restoration projects: For those restoring vintage motorcycles, using NOS parts like the 1W5-11610-40 piston ring set can add authenticity and value to the project.

4. Availability: NOS parts are often still available for older motorcycles, making it easier to find the necessary components for repairs or upgrades.

1. Cost: NOS parts can be more expensive than used or aftermarket parts due to their scarcity and original condition.

2. Limited availability: NOS parts may only be available from specific dealers or online marketplaces, limiting convenience for buyers.

3. Compatibility: Ensure that the NOS piston rings are compatible with the specific engine condition and modifications before installation.

The decision to purchase a Yamaha 1W5-11610-40 NOS piston ring set for IT250 motorcycles depends on individual priorities and circumstances. For those pursuing authenticity in their restoration projects or those who value original components, the benefits of using NOS parts may outweigh the additional cost. However, for those seeking the most cost-effective solution, aftermarket or used piston rings may be a more suitable option.

Before making a purchase, carefully consider the goals of your project, the condition of your engine, and your budget. Research various sources for the availability and pricing of the Yamaha 1W5-11610-40 NOS piston ring set, and weigh the pros and cons against alternative options. If authenticity and originality are key priorities, then investing in a NOS piston ring set may be the best choice for your IT250 motorcycle restoration project.

Details:

Item must be in original, uninstalled condition with no modifications. FREE shipping on every order to the lower 48 states. Every part is one-of-a-kind. Do you accept offers?, Some listings offers.

4.8 out of 5 stars across 322 reviews. Do you combine shipping?, Yes. Ensures proper engine compression and performance for compatible model's. We review all reasonable offers promptly.

Larger items from $46.99. Yamaha MX / ATV. Please verify the part number and compatible model's before purchasing. New Old Stock NOS Yamaha OEM piston ring set for 1.00mm oversize.

Are these genuine OEM parts?, Yes. The image to watch on YouTube. Spotlight: A Day Inside . Look for the Make Offer button on listing page.

We started with a single motorcycle dismantled in home garage. Residential delivery with lift gate is available.

part #: 1w51161040 prices

• $30.97-$51.97

specifications pistondon:

• for models: It250
• for makes: Yamaha
• for years: 1977-1981
• mpn: 1w5-11610-40
• part type: Ring Piston
• country of origin: United States
• manufacturer warranty: Unspecified Length
• storage location: K6 Mot-n Buk 34 Bin 1

general pistondon:

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

offer pistondon:

• sold: 0
• options: Ship-to-home
• quantity: 1
• started: March 29, 2026
• availability: In Stock

payments pistondon:

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

seller pistondon:

• city: Odessa, Florida
• # reviews: 218776
• rating: 99.4%

returns pistondon:

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

shipping pistondon:

• transit: 4-8 Days
• type: Fixed
• service: USPS Ground Advantage, USPS Priority Mail, FedEx 2Day, Overnight
• class: Standard, Expedited, One-day
• cost: $0.00
• carrier: USPS, FedEx

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