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  3. YAMAHA 3SR-11631-00-95

YAMAHA 3SR-11631-00-95 Standard Piston

fits model: Yz125. make: Yamaha. year: 1990.

3sr-11631-00-95 Yamaha 1990 Yz125 Oem Standard Piston

( Manufacturer Part Number: 3SR-11631-00-95 ), ( Part Type: Piston ), ( Country Of Origin: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: K6 Mot-n Buk 22 )

Review YAMAHA Oem Standard Piston fits YZ125 1990

The Yamaha YZ125 Standard piston, model number 3SR-11631-00-95, is a high-performance replacement piston designed for the 1990 Yamaha YZ125 standard motorcycle. This piston is meticulously engineered to deliver optimal power and reliability for off-road racing and riding.

The piston is made of forged aluminum alloy, ensuring superior strength and durability. Its compact design provides excellent compression ratio for increased power output. The piston crown is engineered with a dish shape and a compression height that matches the original factory specifications. This ensures a perfect fit and optimal engine performance.

The piston ring package includes a compression ring, a ring groove seal, and two oil control rings. The rings are made of high-quality, heat-resistant materials, ensuring a tight seal and reliable engine performance. The piston rings are also designed to minimize friction and engine wear, extending the life of the engine.

The piston pin is made of chrome molybdenum steel and is precision machined to ensure a snug fit in the piston. The piston pin is also coated with a low-friction material to minimize wear and ensure smooth engine operation.

The piston skirt is designed with a honed surface finish that ensures a perfect fit in the cylinder bore. The skirt also includes a ribbed design that enhances the piston's rigidity and reduces engine vibration.

The piston is also compatible with the original factory connecting rod, making it a direct replacement for the stock piston. This makes installation easy and straightforward, saving time and effort for mechanics and riders.

Overall, the Yamaha YZ125 Standard piston, model number 3SR-11631-00-95, is a high-performance replacement piston that delivers optimal power and reliability for off-road racing and riding. Its precision engineering, high-quality materials, and perfect fit make it an essential upgrade for any Yamaha YZ125 standard motorcycle.

Pros and Cons of Buying a Yamaha YZ125 Standard Piston (Model 3SR-11631-00-95 from 1990)

I. Introduction

The Yamaha YZ125 Standard Piston (Model 3SR-11631-00-95) is a popular aftermarket upgrade for owners of the 1990 Yamaha YZ125 motorcycle. This piston offers enhanced performance and durability. In this analysis, we will discuss the advantages and disadvantages of purchasing this piston.

II. Pros

1. Improved Performance: This aftermarket piston is designed to offer better performance compared to the stock piston. It enables the engine to produce more power and torque, making the motorcycle more responsive and agile.

2. Enhanced Durability: The piston is made from high-quality materials, ensuring it lasts longer than the stock piston. The material's strength and resistance to wear and tear make it suitable for high-performance riding and racing.

3. Customization: Installing an aftermarket piston allows riders to customize their motorcycle and enhance its capabilities. This customization can help riders achieve better performance and a more personalized riding experience.

4. Cost-Effective: Although the initial investment for the aftermarket piston may be higher than the stock piston, the long-term savings can be substantial. The enhanced durability and performance may lead to fewer replacement costs and overall maintenance costs.

III. Cons

1. Installation Complexity: Installing the aftermarket piston requires a significant amount of time, expertise, and resources. It may involve removing the engine, cylinder head, and other related components.

2. Risk of Engine Damage: Installing an aftermarket piston may increase the risk of engine damage if not done correctly. Improper installation or the use of low-quality parts can lead to catastrophic engine failure.

3. Cost: The aftermarket piston may be more expensive than the stock piston. This cost can be a barrier for some riders, especially those on a tight budget.

4. Potential Power Increase: The increased power output of the aftermarket piston may not be suitable for all riders. Inexperienced riders may struggle to control the motorcycle effectively, potentially leading to accidents.

IV. Conclusion

The Yamaha YZ125 Standard Piston (Model 3SR-11631-00-95) offers several advantages, such as improved performance, enhanced durability, customization, and cost-effectiveness. However, it also presents challenges, such as installation complexity, the risk of engine damage, cost, and potential power increase.

V. Recommendation

If you are an experienced rider who values performance and durability, the Yamaha YZ125 Standard Piston (Model 3SR-11631-00-95) may be an excellent investment. Ensure you have the necessary expertise and resources to install the piston correctly, and only use high-quality parts to minimize the risk of engine damage.

For less experienced riders or those on a tight budget, the stock piston may be a more suitable option. If you decide to pursue an aftermarket piston, consider seeking professional assistance for installation to minimize the risk of engine damage.

Details:

Ensures original equipment quality and performance. The image to watch on YouTube. Spotlight: A Day Inside . Fits: Specifically designed for the 1990 Yamaha YZ125 dirt bike.

Yamaha Cruisers. This is a genuine Yamaha OEM standard size piston, ideal for rebuilding or maintaining the engine of your 1990 YZ125.

part #: 3sr116310095 prices

  • $50.00-$86.14

specifications pistondon:

  • for models: Yz125
  • for makes: Yamaha
  • for years: 1990
  • mpn: 3sr-11631-00-95
  • part type: Piston
  • country of origin: United States
  • manufacturer warranty: Unspecified Length
  • storage location: K6 Mot-n Buk 22

offer pistondon:

  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • availability: In Stock
  • started: March 26, 2026

general pistondon:

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

payments pistondon:

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seller pistondon:

  • rating: 99.4%
  • # reviews: 218079
  • city: Odessa, Florida

shipping pistondon:

  • cost: $0.00
  • class: Standard, Expedited, One-day
  • carrier: FedEx, USPS
  • type: Fixed
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  • service: FedEx Ground / FedEx Home Delivery, USPS Priority Mail, FedEx 2Day, Overnight

returns pistondon:

  • time: 30 Days
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for models: yz125, for makes: yamaha, for years: 1990, part type: piston, country of origin: united states, manufacturer warranty: unspecified length, storage location: k6 mot-n buk 22,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 11438139042462861,

Yamaha 3SR-11631-00-95 Is Similar To:

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3 offers $50.00–$86.14 USD
  • Offer #1: $86.14 price + $0.00 shipping estimate = $86.14* total. Fits: Specifically designed for the 1990 Yamaha YZ125 dirt bike This is a genuine Yamaha OEM standard size piston, ideal for rebuilding or maintaining the engine of your 1990 YZ125.FREE SHIPPING
  • Offer #2: $78.00 price + $9.05 shipping estimate = $87.05* total. There can be surface rust, loads of shelf dirt, and torn bags YAMAHA YZ125 1992.+$9.05 shipping
  • Offer #3: $50.00 price + $9.05 shipping estimate = $59.05* total.+$9.05 shipping

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