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  3. NAMURA ORNA-RA420677-WX

NAMURA ORNA-RA420677-WX Dtre Piston Kit Bike 57.48MM

fits model: 125r, 57. make: Yamaha. year: 1991–2006.

Orna-ra420677-wx Namura 1991-2006 Yamaha Dtre 125r Dirt Bike Piston Kit 57.48mm

( Brand: Namura ), ( Manufacturer Part Number: ORNA-RA420677-WX ), ( Part Type: Piston )

Review NAMURA Yamaha Dtre Dirt Bike Piston Kit 57.48mm fits 125R 57 1991–2006

Namura OR-A420677 WX Piston Kit for Yamaha DTRE 125R (1991-2006)

Description:

The Namura OR-A420677 WX piston kit is an excellent replacement solution for the Yamaha DTRE 125R motorcycles manufactured between 1991 and 2006. This piston kit is designed with high-quality materials and meticulous craftsmanship to ensure optimal engine performance and longevity.

The piston itself is a forged aluminum alloy piece, engineered to provide superior strength and durability. The compact size of this piston measures 57.48mm in diameter, making it an ideal fit for the Yamaha DTRE 125R engine. The piston skirt is designed with a minimal clearance to the cylinder wall for reduced friction and improved power delivery.

The piston kit also includes a piston ring set to ensure a proper seal within the cylinder. The compression rings are designed to provide maximum compression efficiency, while the oil control rings help minimize oil consumption and engine wear. The piston ring grooves are precision machined for a perfect fit and even ring gap.

The piston pin is a high-strength steel component, designed to handle the intense loads and pressures within the engine. It features a roller design for reduced friction and improved engine efficiency. The piston pin retaining clips are included in the kit for easy installation.

This piston kit is an excellent option for riders looking to restore their vintage Yamaha DTRE 125R motorcycle to its former glory. It is also suitable for riders who require a replacement piston kit due to engine wear or damage. With its high-quality materials and precise engineering, the Namura OR-A420677 WX piston kit is sure to provide reliable and consistent performance for years to come.

The Namura OR-A420677-WX piston kit for the Yamaha DTRE 125R bike with a 57.48mm bore size is an aftermarket replacement for the original equipment manufacturer (OEM) piston. Here are some potential pros and cons of purchasing this piston kit:

Pros:

1. Cost-effective: Aftermarket piston kits like this one are generally more affordable than OEM pistons.

2. Availability: Aftermarket piston kits are more readily available than OEM pistons, especially for older models like the Yamaha DTRE 125R.

3. Performance: Some aftermarket piston kits offer improved performance, such as increased power and torque.

4. Customization: Aftermarket piston kits may offer more options for customization, allowing riders to tailor the engine to their specific riding style.

Cons:

1. Quality concerns: Aftermarket piston kits may not be of the same quality as OEM pistons, which could lead to issues such as premature failure or reduced performance.

2. Compatibility: Aftermarket piston kits may not be 100% compatible with the bike, which could lead to issues with fitment or function.

3. Warranty: Aftermarket piston kits usually do not come with a warranty, unlike OEM pistons.

4. Installation: Installing aftermarket piston kits can be more complex than installing OEM pistons, requiring more time and expertise.

Ending conclusion:

The decision to purchase a Namura OR-A420677-WX piston kit for the Yamaha DTRE 125R bike with a 57.48mm bore size ultimately depends on the rider's priorities and preferences. If cost savings and availability are the most important factors, then an aftermarket piston kit may be the best choice. However, if quality, compatibility, and warranty are more important, then an OEM piston may be a better investment. It's essential to carefully consider these factors and potentially consult with a mechanic or trusted expert before making a decision.

Details:

1991 2006 Yamaha DTRE 125R Dirt Bike Namura Piston Kit 57.48mm: Compatibility: 125R, Size: 57.48mm. I need to exchange an item. Credit or Debit Card. This is helpful if you are buying multiple items.

Brand: Namura, model Number: ORNA-RA420677-WX. Parts without fitment are to be assumed universal and may require vehicle modification.

part #: ornara420677 price

  • $27.20

specifications pistondon:

  • for models: 125r, 57
  • for makes: Yamaha
  • for years: 1991-2006
  • brand: Namura
  • mpn: Orna-ra420677-wx
  • part type: Piston

offer pistondon:

  • quantity: 8
  • started: November 24, 2025
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

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  • type: Fixed
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returns pistondon:

  • policy: Returns Accepted
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seller pistondon:

  • city: Indiana, US
  • # reviews: 70720
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general pistondon:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
  • condition: New
for models: 125r, 57, for makes: yamaha, for years: 1991-2006, part type: piston,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 9033464520798791,

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1 offer $27.20 USD
  • Offer #1: $27.20 price + $0.00 shipping estimate = $27.20* total. Credit or Debit Card Compatibility: 1991-2006 Yamaha DTRE 125R.FREE SHIPPING

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