1. Pistons, Rings & Piston Kits Products
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  3. YAMAHA 1A1-11610-40

YAMAHA 1A1-11610-40 Nos Piston Ring Set

fits model: Rd400. make: Yamaha. year: 1976–1978.

1a1-11610-40 Yamaha Nos 1976-1978 Rd400 Piston Ring Set Oem

( Manufacturer Part Number: 1A1-11610-40 ), ( Part Type: Ring Piston ), ( Country Of Origin: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: J8 Crp1-n Buk 16 Bin 2 )

Review YAMAHA Nos Piston Ring Set Oem fits RD400 1976–1978

Introducing the Yamaha 1A1-11610-40 piston ring set, an essential component for maintaining the performance and longevity of your 1976-1978 RD400 motorcycle engine. This piston ring set is engineered to meet the exacting standards of Yamaha and is specifically designed for use during routine engine rebuilds or when replacing worn-out components.

The kit includes four piston rings: two compression rings and two oil control rings. The compression rings are crucial for sealing the combustion chamber and ensuring efficient transfer of power from the piston to the crankshaft. The oil control rings, on the other hand, are responsible for preventing oil from escaping between the piston and cylinder walls.

Each piston ring in this set is precision-crafted from high-quality materials. The compression rings are made from a durable, heat-resistant alloy that can withstand the extreme pressures and temperatures generated during engine operation. The oil control rings are made from a low-friction material that minimizes energy loss and ensures optimal oil control.

The piston rings in this set are also designed to fit perfectly in the RD400 engine. The inner diameter and the thickness of the rings have been carefully measured and manufactured to ensure a snug fit in the piston grooves. Proper ring fit is essential for efficient engine performance and prolonged engine life.

Additionally, the piston ring set comes with detailed installation instructions to ensure a smooth and successful ring installation process. These instructions outline the necessary tools, techniques, and precautions to minimize the risk of damage to the engine components during installation.

In summary, the Yamaha 1A1-11610-40 piston ring set is an indispensable upgrade for your 1976-1978 RD400 motorcycle. By utilizing high-quality materials and a precise fit, this piston ring set helps ensure optimal engine performance and prolonged engine life. With detailed installation instructions, you can confidently perform this essential engine rebuild task yourself, saving time and money on professional services.

Buying a Yamaha RD400 piston ring set from the years 1976-1978 (model number 1A1-11610-40) can be a worthwhile investment for those restoring or working on their vintage motorcycles. Here are some potential pros and cons to consider before making a purchase:

Pros:

1. Authenticity and Originality: These piston rings are original parts manufactured by Yamaha for the RD400 model during the specified period. Installing original parts can enhance the value of a vintage motorcycle and ensure proper fit and function.

2. Improved Performance: Worn or incorrect piston rings can lead to power loss, engine knocking, and other performance issues. Installing new, correctly-sized piston rings can help restore power and improve overall engine performance.

3. Longer Engine Life: Worn or damaged piston rings can cause damage to other engine components, such as the cylinder walls and piston skirts. Installing new piston rings can help prevent these issues and extend the life of the engine.

Cons:

1. Cost: Original piston rings for vintage motorcycles can be expensive, especially when purchasing a set for multiple cylinders. The cost may be a significant consideration for some buyers.

2. Availability: Finding original Yamaha RD400 piston rings from the specified period can be challenging. They may be hard to locate in local shops or may require ordering from specialized suppliers.

3. Installation Complexity: Installing piston rings can be a complex process that requires specific tools and expertise. It may be necessary to hire a professional mechanic or engine builder to ensure proper installation.

Conclusion:

Buying a set of original Yamaha RD400 piston rings from the years 1976-1978 can be a worthwhile investment for those restoring or working on their vintage motorcycles. These rings can help enhance the value of the bike, improve performance, and extend engine life. However, the cost, availability, and installation complexity may be significant considerations for some buyers.

Recommendation:

If you are in the process of restoring or working on a Yamaha RD400 from the specified period and are experiencing performance issues or have worn piston rings, it may be worth considering the purchase of a new set of original Yamaha RD400 piston rings. Be sure to research reputable suppliers and consider the cost, availability, and installation complexity before making a purchase. Alternatively, you may consider rebuilt or aftermarket piston rings as a more cost-effective alternative. Ultimately, the decision should be based on your specific needs, budget, and expertise.

Details:

NOS OEM Yamaha piston ring set for 1976-1978 RD400 model's. Yamaha MX / ATV. Fits: 1976-1978 Yamaha RD400 Piston Ring Set. Essential for engine rebuilds to restore compression and performance.

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part #: 1a11161040 prices

  • $40.95-$59.00

specifications pistondon:

  • for models: Rd400
  • for makes: Yamaha
  • for years: 1976-1978
  • mpn: 1a1-11610-40
  • part type: Ring Piston
  • country of origin: United States
  • manufacturer warranty: Unspecified Length
  • storage location: J8 Crp1-n Buk 16 Bin 2

seller pistondon:

  • rating: 99.3%
  • # reviews: 206973
  • city: Odessa, Florida

general pistondon:

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

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offer pistondon:

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  • quantity: 1
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  • started: January 26, 2026
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for models: rd400, for makes: yamaha, for years: 1976-1978, part type: ring piston, country of origin: united states, manufacturer warranty: unspecified length, storage location: j8 crp1-n buk 16 bin 2,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 10204817134151663,

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