YAMAHA 500-11637-02-00 Nos Piston 3RD O/s 75-76 85.75

( Engine Type: 2-stroke ), ( Type: Piston ), ( Piston Diameter: 85.75 ), ( Country/region Of Manufacture: Japan ), ( UPC: 500116370200 )

Review YAMAHA Nos Genuine 3rd O/s Piston 75-76 85.75 fits DT400 DT250

Yamaha 500-11637-02-00 Third Overhead Piston Set for DT400 and DT250 (75-76)

The Yamaha 500-11637-02-00 is a high-quality piston set designed specifically for the DT400 and DT250 motorcycles manufactured between 75-76. This piston set is an essential upgrade for riders seeking superior engine performance, reliability, and durability.

Each piston in this set is meticulously engineered using advanced materials and manufacturing techniques. The piston crown is made of forged aluminum alloy, ensuring optimal heat transfer and strength. The skirt is designed with a thin-walled construction, reducing weight and enhancing the efficiency of the engine. Moreover, the piston rings are made of durable, heat-resistant material to ensure consistent compression and minimize wear and tear.

Additionally, these pistons come with oversized piston pins, providing better support and reducing the risk of bending or breaking. Furthermore, they feature a piston pin retaining ring for added security and durability.

The Yamaha 500-11637-02-00 piston set is compatible with DT400 and DT250 engines produced between 75-76. Installing these pistons in your motorcycle will result in improved power output, increased fuel efficiency, and enhanced overall engine performance. Moreover, they promise to reduce engine noise and vibration, providing a smoother, more enjoyable riding experience.

In conclusion, the Yamaha 500-11637-02-00 third overhead piston set for DT400 and DT250 is an ideal upgrade for riders looking to enhance their motorcycle's performance, reliability, and durability. These high-quality pistons are expertly crafted to meet the highest standards, ensuring optimal engine operation and long-lasting performance.

The Yamaha 500-11637-02-00 third overhaul kit for DT400 and DT250 models from the years 1975-76 includes a number of parts, most notably the number 85 piston. Let's examine the potential advantages and disadvantages of purchasing this kit.

1. Comprehensive Kit: This kit includes a wide range of parts needed for an overhaul, making it a convenient and cost-effective solution for those looking to rebuild their engines.

2. OEM Quality: As this is an original equipment manufacturer (OEM) kit, it ensures that all parts are of high-quality and designed specifically for the Yamaha DT400 and DT250 models.

3. Long-Term Savings: By investing in a high-quality overhaul kit like this one, you may save money in the long run by avoiding costly repairs and replacement parts down the line.

4. Improved Performance: A freshly rebuilt engine can result in improved performance, including increased power and better fuel efficiency.

1. Cost: The price point of this kit may be prohibitive for some, especially those on a tight budget.

2. Availability: Depending on your location and the availability of parts, it may be difficult to find this specific kit or individual components.

3. Time Commitment: Rebuilding an engine is a time-consuming process and requires a significant investment of time and effort.

In conclusion, the Yamaha 500-11637-02-00 third overhaul kit for DT400 and DT250 models offers several advantages, including comprehensive coverage, OEM quality, potential long-term savings, and improved performance. However, it may also come with disadvantages such as cost, availability, and time commitment. Ultimately, the decision to purchase this kit depends on your individual circumstances, budget, and level of mechanical expertise.

If you are comfortable with the time and financial investment required for a engine rebuild and value the benefits of OEM parts and improved performance, this kit may be a worthwhile investment for you. On the other hand, if you have limited resources or are uncertain about your ability to complete the project, it may be more practical to consider alternative options such as buying a rebuilt engine or seeking professional repair services.

Details:

The Genuine Yamaha 3rd O/S Piston is a high-quality replacement part designed specifically for 2-Stroke engines. Just a bit dusty from being on my shelf. Piston does not come with a box. Made in Japan, this piston has a diameter of 85.75mm, making it perfect fit for DT400 and DT250 model's from 1975-1976.

It is in new unused condition. With the OE/OEM part number 500-11637-02-00 and manufacturer 500-11637-02- this piston ensures a precise fit reliable performance for your motorcycle or scooter engine.

part #: 500116370200 prices

• $50.00-$147.95

specifications pistondon:

• for models: Dt400, Dt250
• for makes: Yamaha
• engine type: 2-stroke
• type: Piston
• piston diameter: 85.75
• country/region of manufacture: Japan
• upc: 500116370200

payments pistondon:

• other
• wallet: Paypal
• credit card: Visa

offer pistondon:

• sold: 0
• availability: In Stock
• quantity: 1
• started: August 17, 2025
• options: Ship-to-home

general pistondon:

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

shipping pistondon:

• transit: 4-9 Days
• service: UPS Ground
• carrier: UPS
• cost: $8.56
• type: Calculated
• class: Standard

returns pistondon:

• policy: No Returns

seller pistondon:

• city: Castaic, California
• rating: 100.0%
• # reviews: 561

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