1. Pistons, Rings & Piston Kits Products
  2. sku: 10106238465190782
  3. YAMAHA 2J5-11630-30

YAMAHA 2J5-11630-30 Nos Piston Kit Wrist Pin Rings Circlips 3RD

fits model: Yz80, Yz. make: Yamaha. year: 1980.

2j5-11630-30 Yamaha Yz80 Yz 80 Nos Piston Kit 3rd Over Wrist Pin Rings Circlips Oem

( Manufacturer Part Number: 2J5-11630-30 ), ( Part Type: Ring Piston Pin ), ( Items Included: Piston Rings, Wrist Pin ), ( Vintage Part: Yes ), ( Country Of Origin: Japan )

Review YAMAHA Nos Piston Kit 3rd Over Wrist Pin Rings Circlips Oem fits YZ80 YZ 1980

Introducing the Yamaha 2J5-11630-30 YZ80 YZ 80 NOS Piston Kit, specifically designed for the third generation wrist pin rings and circlips of the Yamaha YZ80 motorcycle. This kit is an essential replacement part for those riders seeking to maintain or restore the optimal performance of their two-stroke engine.

The piston kit includes new pistons that come with the latest technology and design, ensuring superior compression and combustion efficiency. Each piston is meticulously crafted with high-quality materials to provide durability and reliability, even during the most demanding riding conditions.

The wrist pin rings in this kit are engineered to provide a perfect seal between the piston and the connecting rod, minimizing the loss of compression and power. These rings are made from a specialized material that offers excellent resistance to wear and tear, ensuring a long service life and consistent engine performance.

The circlips in the YZ80 NOS Piston Kit are designed to securely hold the wrist pin rings in place. They are manufactured from a robust material that can withstand the high pressures generated within the engine, ensuring a reliable and efficient seal.

This piston kit is a direct replacement for the original equipment, making it an ideal choice for riders who prefer to keep their motorcycles in top shape. It is also suitable for those who have damaged or worn-out pistons and wish to restore their YZ80 to its former glory.

In summary, the Yamaha 2J5-11630-30 YZ80 YZ 80 NOS Piston Kit offers a comprehensive solution for maintaining or restoring the performance of your two-stroke engine. With new pistons, wrist pin rings, and circlips, this kit provides the peace of mind that comes with knowing you have the right parts to keep your motorcycle running at its best.

Buying the Yamaha 2J5-11630-30 YZ80 piston kit, which includes the third wrist pin rings and circlips, can be a good investment for those who own a Yamaha YZ80 motorcycle and are looking to replace worn-out parts or perform maintenance. Here are some potential pros and cons of making this purchase:

Pros:

1. Improved engine performance: A new piston kit can help improve the engine's performance by ensuring that the piston rings are sealing properly and the engine is running efficiently.

2. Better fuel economy: By improving the engine's sealing and efficiency, a new piston kit can potentially lead to better fuel economy.

3. Extended engine life: Regularly replacing piston rings and other engine components can help extend the life of the engine by preventing damage and wear.

4. Easy installation: The piston kit comes with all the necessary components, including the third wrist pin rings and circlips, making installation relatively straightforward for those with basic mechanical skills.

Cons:

1. Cost: Replacing piston rings and other engine components can be a significant investment, especially for older motorcycles.

2. Time commitment: While the installation process may be straightforward, it can still take several hours to complete, depending on the rider's mechanical skills and experience.

3. Risk of damage: Installing new engine components can carry the risk of damaging other parts if not done correctly, which could lead to additional repair costs.

Conclusion:

In conclusion, purchasing the Yamaha 2J5-11630-30 YZ80 piston kit, which includes the third wrist pin rings and circlips, can be a worthwhile investment for those looking to improve their motorcycle's performance, extend its life, and ensure efficient operation. However, it comes with a cost and time commitment, and there is a risk of potential damage if not installed correctly. Ultimately, the decision to purchase this kit depends on the rider's mechanical skills, budget, and priorities for their motorcycle.

Recommendation:

If you are comfortable with basic mechanical work and have the budget for it, the Yamaha 2J5-11630-30 YZ80 piston kit is a recommended purchase for those who want to maintain their motorcycle's performance and ensure its longevity. However, if you are unsure about your mechanical skills or do not have the time to install the kit yourself, it may be worth considering hiring a professional mechanic to do the work for you.

Details:

This is a 3rd over kit and included the piston, rings, wrist pin circlips. Up for sale is a NOS piston kit the Yamaha YZ80 from 1977-79.

part #: 2j51163030 prices

  • $129.99-$159.95

specifications pistondon:

  • for models: Yz80, Yz
  • for makes: Yamaha
  • for years: 1980
  • mpn: 2j5-11630-30
  • part type: Ring Piston Pin
  • items included: Piston Rings, Wrist Pin
  • vintage part: Yes
  • country of origin: Japan

general pistondon:

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

seller pistondon:

  • city: Roundup, Montana
  • # reviews: 3709
  • rating: 100.0%

offer pistondon:

  • sold: 0
  • availability: In Stock
  • started: January 21, 2026
  • quantity: 1
  • options: Ship-to-home

returns pistondon:

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

payments pistondon:

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

shipping pistondon:

  • service: USPS Ground Advantage
  • type: Calculated
  • cost: $9.80
  • class: Standard
  • carrier: USPS
  • transit: 2-6 Days
for models: yz80, yz, for makes: yamaha, for years: 1980, part type: ring piston pin, items included: piston rings, wrist pin, vintage part: yes, country of origin: japan,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 10106238465190782,

Yamaha 2J5-11630-30 Is Similar To:

pistondon logo
4 offers $129.99–$159.95 USD
  • Offer #1: $159.95 price + $11.35 shipping estimate = $171.30* total. YAMAHA PART # -00. NOS YAMAHA PISTON KIT 3RD OVERSIZE.+$11.35 shipping
  • Offer #2: $144.97 price + $0.00 shipping estimate = $144.97* total. Fits: Fits 1977-1979 Yamaha YZ80 motorcycles This new OEM Yamaha 3rd oversized piston kit is designed for 1977-1979 YZ80 models.FREE SHIPPING
  • Offer #3: $129.99 price + $10.60 shipping estimate = $140.59* total. Thanks! Up for sale is a NOS piston kit for the Yamaha YZ80 from 1977-79.+$10.60 shipping
  • Offer #4: $124.99 price + $19.99 shipping estimate = $144.98* total.+$19.99 shipping

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