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  3. NAMURA ORNA-RA419707-WX

NAMURA ORNA-RA419707-WX Piston Kit Bike 55.98MM

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

Orna-ra419707-wx Namura 1991-2006 Yamaha Dtr 125r Dirt Bike Piston Kit 55.98mm

( Brand: Namura ), ( Manufacturer Part Number: ORNA-RA419707-WX ), ( Part Type: Piston )

Review NAMURA Yamaha Dirt Bike Piston Kit 55.98mm fits 125R DTR 1991–2006

The Namura ORNA-RA419707-WX piston kit is specifically designed for the Yamaha DTR 125R motorcycle model produced between the years 1991 and 2006. This piston kit is an essential upgrade for riders seeking improved engine performance and durability.

The kit includes four new pistons, each precision-engineered to ensure a perfect fit and optimal engine functionality. The pistons have a bore size of 55.98mm, making them an ideal replacement for the original pistons. Each piston is made from high-quality forged aluminum alloy, ensuring superior strength and heat resistance.

The piston crowns are designed with a domed shape to provide better combustion efficiency and power output. The skirt area of the pistons is ribbed, which reduces the weight and enhances the overall engine performance. The piston rings are also included in the kit, ensuring a proper seal and preventing oil leakage.

The piston kit comes with all necessary hardware for installation, including new piston pins and ring compressors. The installation process is straightforward, and the kit is compatible with both the air-cooled and liquid-cooled versions of the Yamaha DTR 125R.

Installing this piston kit on your Yamaha DTR 125R motorcycle will provide several benefits, including increased horsepower, improved torque, better fuel efficiency, and enhanced overall engine performance. Additionally, the high-quality materials used in the production of these pistons ensure long-lasting durability, reducing the need for frequent replacements.

In conclusion, the Namura ORNA-RA419707-WX piston kit is an excellent investment for any Yamaha DTR 125R motorcycle owner looking to enhance engine performance and durability. With its high-quality materials, precise fit, and easy installation process, this piston kit is the ideal solution for riders seeking to get the most out of their motorcycle.

Pros and Cons of Buying a Namura OR-A419707-WX Piston Kit for a 1991-2006 Yamaha DTR 125R

**Pros:**

1. Enhanced engine performance: Replacing the stock piston with a new aftermarket piston kit can lead to improved engine performance, including increased horsepower and torque.

2. Durability: A high-quality piston kit can help increase the lifespan of the engine, as it is designed to withstand the rigors of riding and high temperatures.

3. Cost-effective: In the long run, investing in a piston kit can save money, as it may prevent the need for more expensive engine repairs or replacements.

4. Improved fuel efficiency: A well-designed piston kit can lead to improved fuel efficiency, resulting in longer rides between fuel stops and potentially lower fuel costs.

5. Customization: Installing a performance piston kit can be a way to customize the bike and enhance its power output, making it more enjoyable to ride.

**Cons:**

1. Installation complexity: Installing a piston kit requires a certain level of mechanical expertise, and the process can be time-consuming and complex.

2. Cost: Piston kits can be expensive, and the cost of the kit does not include the labor costs for installation.

3. Risk of damage: Installing a piston kit incorrectly can result in damage to the engine or other components, potentially leading to costly repairs.

4. Potential for increased noise: High-performance piston kits can result in increased engine noise, which may be a concern for some riders.

5. Voiding of warranty: Installing aftermarket parts like a piston kit may void the manufacturer's warranty on the bike, which should be considered before making the purchase.

**Conclusion:**

The decision to purchase a Namura OR-A419707-WX piston kit for a 1991-2006 Yamaha DTR 125R depends on various factors, including the rider's mechanical expertise, budget, and desired outcome. The pros of the piston kit include potential engine performance improvements, durability, cost-effectiveness, improved fuel efficiency, and customization. However, the cons include the installation complexity, cost, risk of damage, potential for increased noise, and the possibility of voiding the manufacturer's warranty.

If the rider is mechanically inclined, has the necessary tools and experience, and is willing to take on the installation process, the benefits of the piston kit may outweigh the cons. On the other hand, if the rider lacks mechanical expertise or is not comfortable with the installation process, it may be wiser to consider having the work done by a professional or opting for a less complex modification. Ultimately, it is essential to weigh the pros and cons carefully and consider the potential risks and rewards before making the purchase.

**Recommendation:**

If the rider decides to proceed with the purchase, it is essential to ensure that they are buying a high-quality piston kit from a reputable supplier. Doing thorough research on the available options, reading reviews, and consulting with knowledgeable sources can help ensure that the investment in the piston kit results in a positive outcome. Additionally, it may be wise to consider investing in a professional installation to minimize the risks of damage or installation errors.

Details:

This is helpful if you are buying multiple items. 1991 2006 Yamaha DTR 125R Dirt Bike Namura Piston Kit 55.98mm: Compatibility: 125R, Size: 55.98mm. I need to exchange an item. Parts without fitment are to be assumed universal and may require vehicle modification.

Credit or Debit Card.: Brand: Namura, model Number: ORNA-RA419707-WX.

part #: ornara419707 price

  • $42.23

specifications pistondon:

  • for models: 125r, Dtr
  • for makes: Yamaha
  • for years: 1991-2006
  • brand: Namura
  • mpn: Orna-ra419707-wx
  • part type: Piston

returns pistondon:

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

general pistondon:

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

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  • type: Fixed

offer pistondon:

  • sold: 0
  • availability: In Stock
  • quantity: 2
  • started: February 19, 2025
  • options: Ship-to-home

seller pistondon:

  • rating: 99.3%
  • # reviews: 62438
  • city: Indiana, US
for models: 125r, dtr, 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: 4535254506403502,

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