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  3. YAMAHA 5T8-11601-40

YAMAHA 5T8-11601-40 Oversized Piston Rings 1.00MM 4TH

fits model: Yz80. make: Yamaha. year: 1980–1982.

5t8-11601-40 Yamaha 1980-1982 Yz80 Oem 1.00mm Oversized 4th Over Piston Rings

( Manufacturer Part Number: 5T8-11601-40 ), ( Part Type: Ring Piston ), ( Country Of Origin: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: K7 Mot-n Buk 49 Bin 3 )

Review YAMAHA Oem 1.00mm Oversized 4th Over Piston Rings fits YZ80 1980–1982

Introducing the Yamaha 5T8-11601-40 1.00mm Oversized 4th Piston Rings, specifically designed for use in Yamaha YZ80 motorcycles manufactured between 1980 and 1982. These piston rings are an essential upgrade for those looking to enhance their engine's performance and durability.

These oversized piston rings boast a diameter of 1.00mm larger than the stock rings, allowing for a tighter piston-to-cylinder fit. This results in reduced piston slap, improved sealing, and better compression, leading to increased power and torque.

Made from high-quality, heat-resistant materials, these piston rings are engineered to withstand the rigors of high-performance riding. They are designed to provide superior resistance to wear and tear, ensuring a longer lifespan compared to standard piston rings.

Each piston ring features a precise, machined finish that ensures accurate engagement with the cylinder wall. This results in a perfect seal, minimizing the risk of oil leaks and reducing the amount of oil consumption.

These piston rings are also designed to accommodate larger piston pin diameters, allowing for a more robust connection between the piston and the connecting rod. This leads to improved power transfer and increased engine efficiency.

Installing these oversized piston rings is a straightforward process, and they are compatible with the stock piston and cylinder setups in Yamaha YZ80 motorcycles from 1980 to 1982. It is important to note that the installation process may require the use of specialized tools and techniques, and it is recommended that the installation be performed by a professional mechanic or experienced DIY enthusiast.

In summary, the Yamaha 5T8-11601-40 1.00mm Oversized 4th Piston Rings are an excellent investment for anyone looking to maximize the performance and durability of their Yamaha YZ80 motorcycle from 1980 to 1982. These high-quality piston rings offer improved sealing, better compression, and increased power and torque, making them an essential upgrade for any serious rider.

Buying Yamaha 5T8-11601-40 1.980-1.982 YZ80 1.00mm oversized 4th piston rings can have both advantages and disadvantages, depending on the specific circumstances of the motorcycle owner. Here are some potential pros and cons:

Pros:

1. Improved Engine Performance: Oversized piston rings can provide better sealing, reducing engine blowby and improving combustion efficiency. This can lead to increased horsepower and torque, resulting in better overall performance.

2. Increased Durability: The oversized rings can help prevent piston scuffing and ring groove wear, which can extend the lifespan of the engine.

3. Reduced Engine Wear: By reducing engine blowby, oversized piston rings can help reduce overall engine wear and tear, which can save money on maintenance and repairs in the long run.

Cons:

1. Cost: Oversized piston rings can be more expensive than standard piston rings. This can be a significant investment for some motorcycle owners.

2. Installation Complexity: Installing oversized piston rings can be a more complex process than installing standard rings. It may require specialized tools and techniques, which can add to the cost and time involved.

3. Potential for Damage: Installing oversized piston rings incorrectly can cause damage to the engine. It is important to follow the manufacturer's instructions carefully to avoid any potential issues.

Conclusion:

The decision to buy Yamaha 5T8-11601-40 1.980-1.982 YZ80 1.00mm oversized 4th piston rings depends on the individual motorcycle owner's priorities and circumstances. If the owner is looking for improved engine performance, increased durability, and reduced engine wear, then oversized piston rings may be a worthwhile investment. However, if the owner is concerned about the cost, installation complexity, or potential for damage, then they may want to consider other options. Ultimately, it is important to carefully weigh the pros and cons before making a decision.

Recommendation:

If the motorcycle owner is confident in their mechanical abilities and has a good understanding of the installation process, then oversized piston rings could be a good investment for improved engine performance and durability. However, if the owner is unsure about their abilities or is concerned about the cost and potential for damage, they may want to consider consulting a professional mechanic or dealing shop for advice and assistance. Alternatively, they could consider other options, such as using standard piston rings or upgrading other engine components to achieve similar performance benefits.

Details:

Yamaha MX / ATV. This genuine Yamaha OEM 1.00mm oversized piston ring set 5T8-11601-40 is designed for the 4th overbore on select 1980 1982 50cc and 80cc dirt bikes mini. Fits: Fits various Yamaha 50cc and 80cc model's from 1980 -1982. Yamaha Cruisers.

Essential for engine rebuilds requiring a larger bore. The image to watch on YouTube. Spotlight: A Day Inside .

part #: 5t81160140 prices

  • $14.95-$24.99

specifications pistondon:

  • for models: Yz80
  • for makes: Yamaha
  • for years: 1980-1982
  • mpn: 5t8-11601-40
  • part type: Ring Piston
  • country of origin: United States
  • manufacturer warranty: Unspecified Length
  • storage location: K7 Mot-n Buk 49 Bin 3

returns pistondon:

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

general pistondon:

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

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  • service: USPS Ground Advantage, USPS Priority Mail, FedEx 2Day, Overnight
  • cost: $0.00
  • class: Standard, Expedited, One-day
  • transit: 6-9 Days
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  • type: Fixed

offer pistondon:

  • started: February 12, 2026
  • quantity: 1
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

seller pistondon:

  • city: Odessa, Florida
  • # reviews: 209782
  • rating: 99.3%
for models: yz80, for makes: yamaha, for years: 1980-1982, part type: ring piston, country of origin: united states, manufacturer warranty: unspecified length, storage location: k7 mot-n buk 49 bin 3,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 10571422291591663,

Yamaha 5T8-11601-40 Is Similar To:

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5 offers $14.95–$24.99 USD
  • Offer #1: $19.79 price + $6.58 shipping estimate = $26.37* total. Model lists are for reference only and may not be complete.+$6.58 shipping
  • Offer #2: $24.99 price + $0.00 shipping estimate = $24.99* total. This genuine Yamaha OEM 1.00mm oversized piston ring set ( ) is designed for the 4th overbore on select 1980-1982 Yamaha 50cc and 80cc dirt bikes and mini bikes.FREE SHIPPING
  • Offer #3: $14.95 price + $4.95 shipping estimate = $19.90* total.+$4.95 shipping
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  • Offer #5: $49.95 price + $8.75 shipping estimate = $58.70* total. 1978 YZ80E CRANKSHAFT PISTON YZ80E. NOS YAMAHA PISTON RING SET 1MM OVERSIZE.+$8.75 shipping

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