YAMAHA Nos Piston 4TH O/s 558-11638-01-00

( Manufacturer Part Number: 558-11638-01 ), ( Part Type: Piston ), ( Country Of Origin: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: J8 Crp1-n Buk 36 )

Review YAMAHA Nos Piston 4th O/s Oem fits DT100 MX100 1974–1983

Yamaha DT100 MX100 NOS Piston (4th Overhead, 558-11638-01)

This product is an authentic, new old stock (NOS) piston specifically designed for the Yamaha DT100 MX100 motorcycle models produced between 1974 and 1983. The piston in question is the fourth overhead type, identified by the part number 558-11638-01.

The piston is manufactured by Yamaha with the utmost precision and care, ensuring optimal performance and durability. It is designed to fit perfectly into the engine and work harmoniously with other components. The piston's surface is coated with a high-quality, durable material that provides excellent resistance to wear and tear.

This NOS piston is a valuable find for collectors, restorers, and enthusiasts of vintage Yamaha motorcycles. By using an authentic, original piston, you can ensure that your DT100 MX100 remains true to its original specifications and maintains its authenticity.

Moreover, this piston is an excellent replacement option for those who are looking to restore their classic Yamaha motorcycle to its former glory or for those who require a spare part for their bike. The piston comes in its original packaging, ensuring that it remains in pristine condition until it is ready to be installed.

In conclusion, this Yamaha DT100 MX100 NOS Piston (4th Overhead, 558-11638-01) is a must-have for anyone who owns or is restoring a Yamaha DT100 MX100 motorcycle produced between 1974 and 1983. Its authenticity, durability, and precision make it an essential component for maintaining the performance and integrity of your vintage motorcycle.

The Yamaha DT100 MX100 NOS Piston 4th Overhead (part number 558-11638-01) is a replacement piston designed for Yamaha DT100 and MX100 motorcycles manufactured between 1974 and 1983. Here are some pros and cons of buying this piston to help you make an informed decision.

1. OEM Quality: This piston is an original equipment manufacturer (OEM) part, which means it is manufactured by Yamaha and is designed to meet the original specifications of the motorcycle.

2. Durability: The piston is made of high-quality materials, which ensures it can withstand the rigors of off-road riding and last for a long time.

3. Improved Performance: A new piston can help improve the performance of the engine by ensuring a proper seal and reducing compression loss.

4. Easy Installation: The piston comes with all necessary hardware for installation, making it a straightforward process for most DIY mechanics.

1. Cost: OEM parts can be more expensive than aftermarket alternatives, which may deter some buyers.

2. Availability: OEM parts may be harder to find than aftermarket parts, especially for older motorcycles like the DT100 and MX100.

3. Limited Customization: Since this is an OEM part, it may not offer any customization options beyond what came standard on the motorcycle.

In conclusion, the Yamaha DT100 MX100 NOS Piston 4th Overhead (part number 558-11638-01) is a high-quality replacement part that offers durability, improved performance, and easy installation. However, it comes with a higher price tag compared to aftermarket alternatives and may be harder to find. Ultimately, the decision to buy this piston depends on your budget, availability, and preference for OEM parts.

If you value OEM quality and are willing to pay a premium for it, then this piston is a solid choice. However, if you are on a tight budget or prefer aftermarket options, then you may want to consider alternative solutions. Overall, the decision is yours to make based on your specific needs and priorities.

Details:

A genuine NOS Yamaha 4th oversize piston, perfect for rebuilding the engine of your vintage DT100 or MX100. Spotlight: A Day Inside . The image to watch on YouTube. Fits: This NOS 4th oversize piston fits 1974-1983 Yamaha DT100 and 1978-1983 MX100 motorcycles.

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part #: 5581163801 prices

• $30.00-$64.95

specifications pistondon:

• for models: Dt100, Mx100
• for makes: Yamaha
• for years: 1974-1983
• mpn: 558-11638-01
• part type: Piston
• country of origin: United States
• manufacturer warranty: Unspecified Length
• storage location: J8 Crp1-n Buk 36

general pistondon:

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

returns pistondon:

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

shipping pistondon:

• carrier: USPS, FedEx
• service: USPS Ground Advantage, USPS Priority Mail, FedEx 2Day, Overnight
• cost: $0.00
• class: Standard, Expedited, One-day
• type: Fixed
• transit: 3-7 Days

payments pistondon:

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

offer pistondon:

• started: February 3, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• best offers: True
• sold: 0

seller pistondon:

• # reviews: 208419
• city: Odessa, Florida
• rating: 99.3%

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