1. Pistons, Rings & Piston Kits Products
  2. sku: 12507490603424663
  3. YAMAHA 3JE-11631-00-94

YAMAHA 3JE-11631-00-94 Nos Piston

fits model: Yz250, Yz, Std, 250. make: Yamaha. year: 1988–1990.

3je-11631-00-94 Yamaha Nos 1988-1990 Yz250 Yz 250 Oem Piston Std

( Manufacturer Part Number: 3JE-11631-00-94 ), ( Part Type: Piston ), ( Country Of Origin: United States ), ( Manufacturer Warranty: 30 Day ), ( Storage Location: J8 Crp1-n Buk 14 )

Review YAMAHA Nos Oem Piston fits YZ250 YZ STD 250 1988–1990

Introducing the Yamaha 3JE-11631-00-94 standard piston, designed specifically for Yamaha YZ250 motorcycles manufactured between 1988 and 1990. This high-performance piston is an essential component for maintaining the optimal operation of your two-stroke engine.

The 3JE-11631-00-94 piston is meticulously engineered using only the finest materials to ensure durability and reliability. It features a forged aluminum construction that provides superior strength while keeping weight to a minimum. The piston skirt is designed with an optimized profile to ensure a perfect seal with the cylinder bore, reducing friction and enhancing power delivery.

The piston crown is designed with a unique combustion chamber shape that optimizes the fuel-air mixture for efficient combustion. This results in increased power and torque, providing a more responsive and agile riding experience. The piston crown also features a precision-machined surface finish that ensures a smooth, even combustion process for consistent engine performance.

The 3JE-11631-00-94 piston is also designed with a balanced structure that minimizes vibrations and reduces engine stress. This not only enhances the overall riding experience but also helps extend the life of other engine components.

Installing this piston is a straightforward process that can be done with basic tools and some mechanical know-how. It comes complete with all necessary hardware, including piston rings and clips, making it a convenient and cost-effective solution for keeping your Yamaha YZ250 running at its best.

In summary, the Yamaha 3JE-11631-00-94 standard piston is a high-quality, forged aluminum component designed specifically for Yamaha YZ250 motorcycles manufactured between 1988 and 1990. It features an optimized design that enhances power and torque, reduces friction, and minimizes engine stress, making it an essential upgrade for any serious off-road enthusiast.

Buying a Yamaha YZ250 1988-1990 Piston (Standard): A Comprehensive Analysis

Introduction:

The Yamaha YZ250 is a legendary motorcycle known for its superior performance and durability. If you're considering buying a new piston for this bike model, here are some pros and cons that might help you make an informed decision.

Pros:

1. Superior Performance: A new piston can significantly improve the performance of your Yamaha YZ250. The standard piston is designed to offer optimal power output, efficiency, and reliability.

2. Enhanced Durability: A new piston can extend the life of your engine. The material used in modern pistons is much stronger than earlier versions, meaning you'll be able to ride harder and longer without worrying about engine failure.

3. Improved Fuel Efficiency: A new piston can help improve your bike's fuel efficiency. This is especially important for vintage motorcycles like the Yamaha YZ250, which can be thirsty.

4. Better Compatibility: The Yamaha 3JE-11631-00-94 piston is specifically designed for the 1988-1990 YZ250 model, ensuring perfect fitment and compatibility.

Cons:

1. Cost: A new piston can be a significant investment. Depending on your location and the seller, the cost of a new piston for a Yamaha YZ250 can range from $200 to $500 or more.

2. Installation Complexity: Installing a new piston requires specialized knowledge and tools. If you're not confident in your ability to install the piston yourself, you may need to pay for professional installation, adding to the overall cost.

3. Potential Performance Variation: While a new piston can improve performance, there is always a risk of variation in performance due to factors like manufacturing tolerance, engine condition, and rider skill.

Conclusion:

In conclusion, buying a new Yamaha YZ250 1988-1990 piston (standard) can offer significant benefits, such as improved performance, durability, and fuel efficiency. However, it also comes with drawbacks, such as cost and installation complexity. Ultimately, the decision to buy a new piston depends on your personal preferences, budget, and riding goals. If you value superior performance and longevity, a new piston might be a worthwhile investment. But if you're on a tight budget or prefer to keep your bike in its original condition, you might choose to stick with the stock piston.

Recommendation:

If you've decided to buy a new piston for your Yamaha YZ250, make sure to purchase it from a reputable dealer or seller to ensure quality and compatibility. Additionally, consider having it installed by a professional to ensure proper installation and minimize the risk of performance variation. Happy riding!

Details:

Spotlight: A Day Inside . Please verify the part number and compatible model's before purchasing. Every part is one-of-a-kind. Yamaha MX / ATV.

Item must be in original, uninstalled condition with no modifications. Do you accept offers?, Some listings offers. Larger items from $46.99. New Old Stock NOS Yamaha OEM standard piston for 1988 1990 YZ250 model's, ensuring original factory quality and fitment.

4.8 out of 5 stars across 322 reviews. We review all reasonable offers promptly.: Are these genuine OEM parts?, Yes. Look for the Make Offer button on listing page.

To Watch. This genuine Yamaha part is essential for engine rebuilds or maintenance. FREE shipping on every order to the lower 48 states. Do you combine shipping?, Yes.

We started with a single motorcycle dismantled in home garage.

part #: 3je116310094 prices

  • $94.94-$103.89

specifications pistondon:

  • for models: Yz250, Yz, Std, 250
  • for makes: Yamaha
  • for years: 1988-1990
  • mpn: 3je-11631-00-94
  • part type: Piston
  • country of origin: United States
  • manufacturer warranty: 30 Day
  • storage location: J8 Crp1-n Buk 14

general pistondon:

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

seller pistondon:

  • city: Odessa, Florida
  • # reviews: 231103
  • rating: 99.5%

returns pistondon:

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

shipping pistondon:

  • service: FedEx Ground / FedEx Home Delivery, USPS Priority Mail, FedEx 2Day, Overnight
  • class: Standard, Expedited, One-day
  • carrier: FedEx, USPS
  • type: Fixed
  • transit: 5-9 Days
  • cost: $0.00

offer pistondon:

  • availability: In Stock
  • sold: 0
  • quantity: 1
  • options: Ship-to-home
  • best offers: True
  • started: May 21, 2026

payments pistondon:

  • wallet: Apple-pay
  • credit card: Discover
  • other
for models: yz250, yz, std, 250, for makes: yamaha, for years: 1988-1990, part type: piston, country of origin: united states, manufacturer warranty: 30 day, storage location: j8 crp1-n buk 14,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 12507490603424663,

Yamaha 3JE-11631-00-94 Is Similar To:

pistondon logo
3 offers $94.94–$103.89 USD
  • Offer #1: $103.89 price + $0.00 shipping estimate = $103.89* total. Yamaha MX / ATV. This genuine Yamaha part is essential for engine rebuilds or maintenance.FREE SHIPPING
  • Offer #2: $94.95 price + $0.00 shipping estimate = $94.95* total. D's Cycle Connection.FREE SHIPPING
  • Offer #3: $94.94 price + $7.05 shipping estimate = $101.99* total. Location: JH11-25A.+$7.05 shipping

Copyright © pistondon.com