1. Pistons, Rings & Piston Kits Products
  2. sku: 10401828417856751
  3. VERTEX 23129A

VERTEX 23129A Forged Big Piston Kit 603765021336

fits model: Wr, 250. make: Yamaha. year: 2005–2013.

23129a Vertex New Forged Big Bore Piston Kit For Yamaha Wr 250 F 2005-2013

( Brand: Vertex ), ( Manufacturer Part Number: 23129A ), ( Part Type: Piston ), ( Country Of Origin: Italy ), ( California Prop 65 Warning: California Proposition 65 Warning ), ( Manufacturer Warranty: 1 Year ), ( UPC: 603765021336 )

Review VERTEX New Forged Big Bore Piston Kit For Yamaha fits WR 250 2005–2013

Introducing the Vertex 23129A Forged Big Piston Kit, specifically designed for Yamaha WR250 models from 2005 to 2013. This high-performance piston kit is an excellent upgrade for riders seeking increased power, improved durability, and enhanced engine performance.

The Forged Big Piston Kit is meticulously crafted using premium forged pistons, ensuring superior strength and rigidity compared to cast pistons. These pistons are engineered with a low compression height, which allows for a more efficient combustion process, ultimately delivering more power to the wheels.

This kit also includes lightweight, forged connecting rods that provide better balance and reduced vibration, leading to a smoother and more responsive engine. The piston pins are made from high-tensile steel, ensuring a strong connection between the piston and the connecting rod.

The piston kit is designed with a close tolerance to the engine bore, ensuring optimal sealing and minimizing the risk of oil leaks. The piston rings are made from high-quality materials, providing excellent compression and preventing excessive oil consumption.

The Vertex 23129A Forged Big Piston Kit also includes new piston ring grooves, which are precision-machined to ensure perfect fitment and optimal performance. The kit includes all necessary hardware, making installation a straightforward process for experienced mechanics.

In summary, the Vertex 23129A Forged Big Piston Kit is an excellent upgrade for Yamaha WR250 riders seeking increased power, improved durability, and enhanced engine performance. This high-quality kit is meticulously crafted using premium forged pistons, lightweight forged connecting rods, and high-quality piston rings, ensuring optimal sealing and minimal oil consumption. With its close tolerance to the engine bore, this kit delivers a smooth and responsive engine, making every ride more enjoyable.

Pros and Cons of Buying a Vertex 23129A Forged Big Piston Kit for Yamaha WR250 (2005-2013)

1. Performance Enhancement:

Pro: This kit can help increase power output by around 10-15% due to the forged pistons' higher compression ratio.

Con: Higher compression ratio requires premium fuel and a well-maintained engine to prevent knocking.

2. Durability:

Pro: Forged pistons are stronger and more durable than stock pistons, reducing the risk of engine damage in extreme off-road conditions.

Con: The higher durability comes with a higher price tag.

3. Engine Longevity:

Pro: The forged piston kit can contribute to a longer engine life by reducing wear and tear on the pistons.

Con: Installing the kit may require additional modifications, such as a new clutch or camshaft, which can add to the overall cost.

4. Customizability:

Pro: The Vertex 23129A kit offers users the ability to customize their engine to their specific riding style and needs.

Con: Customization might not be necessary for all riders, and the additional work and cost may not be worth it for those who are satisfied with their stock performance.

5. Installation Complexity:

Pro: Installing a forged piston kit can potentially improve the overall riding experience and satisfaction with the motorcycle.

Con: The installation process is complex and requires specialized tools and knowledge. It might be best to seek professional help to ensure proper installation.

6. Cost:

Pro: The performance gains and increased durability can make the investment worthwhile for serious off-road riders.

Con: The cost of the kit itself, as well as the potential additional costs for modifications and professional installation, can be a significant barrier for some buyers.

In conclusion, the decision to buy a Vertex 23129A Forged Big Piston Kit for a Yamaha WR250 (2005-2013) depends on the rider's personal needs and budget. Those who prioritize performance, durability, and customizability may find the investment worthwhile. However, for those who are content with their stock performance and are not willing to invest in the additional costs, this kit may not be the best choice. Ultimately, it's essential to weigh the pros and cons and consider the long-term benefits before making a purchase.

Recommendation: If you're a serious off-road rider looking to improve your motorcycle's performance and durability, the Vertex 23129A Forged Big Piston Kit could be a worthwhile investment. However, carefully consider the additional costs for modifications and professional installation, and ensure that you have the necessary knowledge and tools to maintain the upgraded engine.

Details:

Total-power-parts retains the right to refuse any request made by you. The cost of foreign products and services may fluctuate. This will usually be Total Power Parts or may in some cases a third party. Unit Type, Part Item Condition New, MPN 23129A, voltage , Rotation, Amperage, Starter Clock, Teeth, Pulley Class, Regulator, Fan Color, Gear ID, OD, KW, Pinion/Splines Warranty.

New Vertex Forged Big Bore Piston Kit 23129A For Yamaha WR 250 F 2005 2013 Menu. Specifications:: Forged Big Bore Piston Kit, Compression Ratio: 12.5:1, Cylinder Diameter: 80mm, Displacement: 270 cc, 79.960mm, Size Over Standard: 3.0mm.

part #: 23129a prices

  • $213.13-$260.96

specifications pistondon:

  • for models: Wr, 250
  • for makes: Yamaha
  • for years: 2005-2013
  • brand: Vertex
  • mpn: 23129a
  • part type: Piston
  • country of origin: Italy
  • california prop 65 warning: California Proposition 65 Warning
  • manufacturer warranty: 1 Year
  • upc: 603765021336

general pistondon:

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

returns pistondon:

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

shipping pistondon:

  • cost: $0.00
  • class: Standard, Expedited
  • service: Standard, Expedited
  • transit: 6-6 Days
  • type: Fixed

offer pistondon:

  • started: February 4, 2026
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

seller pistondon:

  • rating: 99.7%
  • # reviews: 162162
  • city: Portland, Tennessee

payments pistondon:

  • wallet: Google-pay
  • other
  • credit card: Diners-club
for models: wr, 250, for makes: yamaha, for years: 2005-2013, part type: piston, country of origin: italy, california prop 65 warning: california proposition 65 warning, manufacturer warranty: 1 year,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 10401828417856751,

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5 offers $213.13–$260.96 USD
  • Offer #1: $260.96 price + $0.00 shipping estimate = $260.96* total. New Vertex Forged Big Bore Piston Kit For Yamaha WR 250 F 2005-2013.FREE SHIPPING
  • Offer #2: $213.13 price + $57.03 shipping estimate = $270.16* total. PISTONE VERTEX 79,96mm 4T BB YAMAHA YZ250F Big Bore Compr. PISTON VERTEX 79,96mm 4T BB YAMAHA YZ250F Big Bore Compr.+$57.03 shipping
  • Offer #3: $213.13 price + $57.03 shipping estimate = $270.16* total. 13,5:1 2007- 270cc (set ring) PISTON VERTEX 79,96mm 4T BB YAMAHA WR250F Big Bore Compr.+$57.03 shipping
  • Offer #4: $213.13 price + $57.03 shipping estimate = $270.16* total. 13,5:1 2005-2014 270cc (set ring).+$57.03 shipping
  • Offer #5: $314.37 price + $26.82 shipping estimate = $341.19* total. - Fitted in many oem bikes as STD. PISTON KIT VERTEX 80.0 A YAMAHA WR/YZ 250 05-14, VERTEX OS +3.00 BIG BORE COMPR 13,5:1.+$26.82 shipping

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