YAMAHA 444-11631-00-98 Nos Standard Piston 56MM

( Machine Type: Dual Sport Motorcycle, Off-road Motorcycle, Street Motorcycle ), ( Piston Diameter: 56 ), ( Material: Aluminum Alloy ), ( Vintage Part: Yes ), ( Engine Type: 2-stroke ), ( Type: Piston ), ( Unit Type: Unit ), ( Oe/oem Part Number: 444-11631-00-98 ), ( Country Of Origin: Japan ), ( Performance Part: No ), ( UPC: 444116310098 )

Review YAMAHA Nos Oem Standard Bore Piston 56mm fits DT125 STD 1974–1975

Introducing the Yamaha DT125 NOS Standard piston from the year 1974-1975, part number 444-11631-00-98. This authentic vintage motorcycle component is a must-have for enthusiasts restoring or building a classic Yamaha DT125.

The piston is designed to fit standard DT125 engines, specifically those with a bore size of 56mm. It is a new old stock (NOS) item, meaning it is an original part that has been newly acquired and has not been used before. This piston retains all its original specifications and features, ensuring a perfect fit and optimal performance when installed.

The piston is crafted from high-quality aluminum alloy, providing excellent heat dissipation and durability. Its compact and lightweight design contributes to the engine's power and efficiency. The piston crown is precisely machined to provide optimal combustion chamber shape and size for the DT125's air-cooled, two-stroke, single-cylinder engine.

The piston ring grooves are designed to accommodate standard piston rings, ensuring a proper seal between the piston and the engine cylinder. The piston pin bore is correctly sized to accept the standard piston pin, ensuring a snug fit and minimal play.

This NOS piston is a valuable addition to any DT125 restoration project or for those looking to upgrade their existing engine. It is a testament to Yamaha's engineering excellence and commitment to performance during the 1970s. By installing this authentic piston, you can ensure that your DT125 retains its original character and maintains its classic appeal.

In summary, the Yamaha DT125 NOS Standard piston, part number 444-11631-00-98, is an original, high-quality component designed for use in 1974-1975 DT125 engines with a 56mm bore size. It is a new old stock item, ensuring optimal performance and a perfect fit. The piston is made from high-quality aluminum alloy and is precisely machined for a snug fit with standard DT125 components.

The Yamaha DT125 (Model number: 444-11631-00-98) is a classic motorcycle produced by Yamaha in 1974 and 1975. This standard version comes with a 56mm piston. Here are some pros and cons that might help you decide if buying this motorcycle is the right choice for you.

1. Authenticity and Nostalgia: The DT125 is a classic motorcycle with a rich history. Owning one can bring a sense of pride and nostalgia, especially for those who grew up with motorcycles from this era.

2. Affordability: Older motorcycles like the DT125 are generally more affordable than newer models. Parts may be more readily available due to the large user base, making repairs and maintenance more cost-effective.

3. Simplicity: Older motorcycles like the DT125 are known for their simplicity. They have fewer electronic components, making them easier to work on and less prone to modern technology-related issues.

4. Fun Factor: Riding a classic motorcycle can be an exciting and enjoyable experience. The DT125's lightweight design and agile handling make it a blast to ride.

1. Lack of Modern Conveniences: Older motorcycles like the DT125 do not have modern conveniences like fuel injection, ABS, or electric starters. This can make them less practical for daily use, especially in cold weather or long commutes.

2. Safety Concerns: Older motorcycles may not meet the latest safety standards. Brakes, suspension, and tires may not be as effective as those on newer motorcycles.

3. Limited Availability: Finding a Yamaha DT125 in good condition may be challenging, especially if you're looking for a specific year, color, or condition.

4. Maintenance and Repairs: While parts may be more readily available for older motorcycles like the DT125, they may be harder to find or more expensive due to their age. Additionally, the motorcycle may require more frequent maintenance and repairs due to its age.

In conclusion, the Yamaha DT125 (Model number: 444-11631-00-98) can be an excellent choice for those looking for an affordable, fun, and authentic motorcycle experience. However, it may not be the best choice for those who require modern conveniences, safety features, or who have limited time for maintenance and repairs. Ultimately, the decision to buy this motorcycle depends on your personal preferences, riding style, and priorities. If you're willing to put in the time and effort to maintain and repair an older motorcycle, the DT125 could be an excellent addition to your garage.

Details:

Again, these are just suggestions of what it may fit. Special packaging requests. Volume pricing. REAL OE Yamaha Parts.

NEW OLD STOCK never used or bolted on machine, but may have storage wear, shelf aging, missing packaging part tag. Every item gets the care and attention it deserves. Most items are open to reasonable offers. OEM aftermarket used parts vary in condition we show detailed photos.

Bin: DTP #2 LP/C 021926. Discount bundles on multiple items. Part # 444-11631-00-98. Packaging When Applicable Item may show some normal wear from handling, age, and long-term storage.

Need more detail. Means brand new, never used, but does not qualify for pristine, show room, or perfect condition and you should expect this when purchasing most NOS items. Vintage rare, New Used, aftermarket accessories. Items will vary in condition and opinions do too.

Vintage Yamaha New Old Stock - OEM Piston. Got a parts stash. Please see photos to ascertain actual item condition.

Precise measurements. We price based on condition, rarity, demand, and fair market value. Items paid separately won't be combined or canceled for shipping discounts. Model kits, die casts, 3D prints, random picks finds, and a whole lot more.

As with many NOS parts that are still available today, some, but not all, may have some sort of minor to moderate storage / shelf packaging item wear or deterioration, since they been in for multiple years instances, decades. Absolutely NO SURPRISES. All parts are garage kept in a sealed, dry, climate-controlled space. Coupon specials.

We ll work hard to come an amicable resolution for both parties. Hope to deal soon. Condition Quality: What you see is what get.

Or old inventory. STD or Stock Bore. We got $$$ and buy em ALL. Want a better look at certain spot.

part #: 444116310098 prices

• $19.09-$39.99

specifications pistondon:

• for models: Dt125, Std
• for makes: Yamaha
• for years: 1974-1975
• machine type: Dual Sport Motorcycle, Off-road Motorcycle, Street Motorcycle
• piston diameter: 56
• material: Aluminum Alloy
• vintage part: Yes
• engine type: 2-stroke
• type: Piston
• unit type: Unit
• oe/oem part number: 444-11631-00-98
• country of origin: Japan
• performance part: No
• upc: 444116310098

payments pistondon:

• credit card: Visa
• wallet: Apple-pay
• other

general pistondon:

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

shipping pistondon:

• transit: 5-11 Days
• type: Fixed
• class: Standard
• cost: $7.95
• service: Standard

offer pistondon:

• sold: 0
• options: Ship-to-home
• started: February 19, 2026
• best offers: True
• availability: In Stock
• quantity: 2

seller pistondon:

• rating: 99.2%
• # reviews: 2243
• city: Edgewater, Florida

returns pistondon:

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

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