YAMAHA 537-11635-02 Nos Piston O/s 0.25 56.25MM

( Manufacturer Part Number: 537-11635-02 ), ( Part Type: Piston ), ( Country Of Origin: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: J8 Crp1-n Buk 36 )

Review YAMAHA Nos 1st O/s 0.25 56.25mm Piston fits MX125 YZ125 1976–1977

Introducing the Yamaha 1976-1977 MX125 YZ125 NO S O/S 0.25 56.25mm piston, a genuine replacement part for Yamaha's iconic off-road motorcycles from the late 1970s. This piston is meticulously engineered to deliver optimal performance and reliability for your MX125 or YZ125.

Measuring 56.25mm in bore diameter and designed for 0.25mm oversize piston rings, this piston is a direct fit for the original engine. The piston crown is shaped to provide an ideal compression ratio for maximum power output, while the skirt is robustly built to withstand the rigors of off-road racing.

Manufactured using high-quality materials and advanced manufacturing techniques, this piston is designed to provide superior durability and longevity. The piston ring grooves are precision machined to ensure a perfect seal, and the piston pin bore is accurately sized to ensure a snug fit with the piston pin.

Each piston undergoes rigorous testing to ensure it meets Yamaha's stringent quality standards. The result is a piston that delivers consistent performance, reliability, and durability, allowing you to enjoy your MX125 or YZ125 to its full potential.

Whether you're racing on the weekends or riding for fun, this piston is the perfect replacement part to keep your Yamaha motorcycle running at its best. So, if you're in need of a piston upgrade for your 1976-1977 Yamaha MX125 or YZ125, look no further than this genuine Yamaha 537-11635-02 0.25 56.25mm piston.

A Detailed Analysis of Buying a Yamaha MX125/YZ125 1976-1977 0.25 56.25mm Piston

The Yamaha MX125/YZ125 is a classic dirt bike model that was produced between 1976 and 1977. If you are planning to restore or upgrade this motorcycle, you might consider purchasing the 0.25 56.25mm piston (part number: Yamaha 537-11635-02). In this analysis, we'll discuss the potential pros and cons of buying this piston.

1. Authentic and Vintage: This piston is an original part for the 1976-1977 Yamaha MX125/YZ125, making it an excellent choice for owners who prefer to maintain the bike's originality.

2. Improved Performance: Upgrading the stock piston with a high-performance aftermarket piston, such as this one, can potentially lead to increased power and better engine efficiency.

3. Enhanced Durability: A new piston can help extend the engine's life, as worn-out pistons are a common cause of engine failure.

1. Cost: Original parts, especially for vintage motorcycles, can be quite expensive. If you are on a tight budget, you might consider purchasing aftermarket alternatives or rebuilding the existing piston.

2. Availability: Due to its age and limited production, finding this specific piston can be challenging. You may have to check with various suppliers or even import it from other countries, which can add to the cost and time involved.

3. Compatibility: Ensure that the piston is compatible with your specific engine configuration, as there might be minor differences between different versions of the MX125/YZ125.

The decision to buy a Yamaha 537-11635-02 1976-1977 0.25 56.25mm piston depends on your goals, budget, and the condition of your motorcycle. If you value authenticity and are looking to restore your bike to its original state, this piston is an excellent choice. On the other hand, if you're more focused on performance and cost-effectiveness, you might consider aftermarket alternatives or rebuilding the existing piston.

Before making a purchase, we recommend thoroughly researching the market, checking with various suppliers, and comparing prices and availability. Additionally, ensure that the piston is compatible with your engine configuration to avoid any potential compatibility issues. Ultimately, the decision comes down to your priorities, budget, and the specific requirements of your Yamaha MX125/YZ125 project.

Details:

Do you accept offers?, Some listings offers. This NOS genuine Yamaha 1st oversize 0.25mm, 56.25mm piston, part number 537-11635-02, is ideal for rebuilding your vintage MX125 or YZ125 engine. Do you combine shipping?, Yes. Look for the Make Offer button on listing page.

Item must be in original, uninstalled condition with no modifications. Spotlight: A Day Inside . Residential delivery with lift gate is available. Every part is one-of-a-kind.

We started with a single motorcycle dismantled in home garage. Larger items from $46.99. Please verify the part number and compatible model's before purchasing. To Watch.

4.8 out of 5 stars across 322 reviews. We review all reasonable offers promptly. FREE shipping on every order to the lower 48 states.: Are these genuine OEM parts?, Yes.

Ensures factory-spec performance and durability.

part #: 5371163502 prices

• $15.39-$24.99

specifications pistondon:

• for models: Mx125, Yz125
• for makes: Yamaha
• for years: 1976-1977
• mpn: 537-11635-02
• part type: Piston
• country of origin: United States
• manufacturer warranty: Unspecified Length
• storage location: J8 Crp1-n Buk 36

seller pistondon:

• city: Odessa, Florida
• rating: 99.4%
• # reviews: 221790

general pistondon:

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

shipping pistondon:

• type: Fixed
• class: Standard, Expedited, One-day
• service: USPS Ground Advantage, USPS Priority Mail, FedEx 2Day, Overnight
• transit: 4-8 Days
• carrier: USPS, FedEx
• cost: $0.00

returns pistondon:

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

offer pistondon:

• options: Ship-to-home
• quantity: 3
• sold: 0
• availability: In Stock
• best offers: True
• started: April 12, 2026

payments pistondon:

• other
• wallet: Google-pay
• credit card: Discover

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