1. Pistons, Rings & Piston Kits Products
  2. sku: 8035059761582751
  3. VERTEX VTK23928A-1

VERTEX VTK23928A-1 Top End Piston Kit 603765105937

fits model: 125. make: Ktm. year: 2002–2006.

Vtk23928a-1 Vertex New Top End Piston Kit For Ktm 125 Exc 2002-2006

( Brand: Vertex ), ( Manufacturer Part Number: VTK23928A-1 ), ( Part Type: Piston ), ( Country/region Of Manufacture: Italy ), ( California Prop 65 Warning: California Proposition 65 Warning ), ( Manufacturer Warranty: 1 Year ), ( UPC: 603765105937 )

Review VERTEX New Top End Piston Kit For Ktm Exc fits 125 2002–2006

Introducing the Vertex VTL-23928A-1 Top End Piston Kit, specifically designed for KTM 125 EXC motorcycles manufactured between 2002 and 2006. This piston kit is an excellent choice for riders seeking top-tier performance and reliability.

The piston itself is a high-quality forged piece, crafted from aluminum alloy for optimal strength and durability. Its top profile is designed with a dished shape, which helps to increase combustion efficiency and power output. Moreover, the piston skirt features a precision-machined finish that ensures a perfect fit within the engine's cylinder, reducing friction and enhancing engine performance.

The piston kit also includes a new ring set that consists of a compression ring, an oil control ring, and a top ring. These rings are made from high-performance materials, ensuring a tight seal and efficient combustion process. The compression ring is designed to maximize power output, while the oil control ring minimizes oil consumption and prevents oil leakage.

Another notable feature of this piston kit is its piston pin, which is made from high-strength steel and is precision-machined to ensure a perfect fit within the piston. The piston pin is also designed with a full-floating arrangement, which reduces friction and wear, leading to improved engine efficiency and longevity.

The piston kit comes complete with all necessary hardware, including piston clips and piston ring groove seals. The piston clips securely hold the piston rings in place, while the piston ring groove seals help to prevent oil leakage.

Installing the Vertex VTL-23928A-1 Top End Piston Kit on your KTM 125 EXC motorcycle is a straightforward process. The kit includes detailed installation instructions, and the piston and ring installation process can be done using common hand tools.

In summary, the Vertex VTL-23928A-1 Top End Piston Kit is an exceptional upgrade for KTM 125 EXC motorcycles from 2002 to 2006. It offers improved performance, durability, and reliability, making it an excellent investment for riders seeking to get the most out of their motorcycle.

Vertex VTX23928A-1 Top End Piston Kit for KTM 125 EXC 2002-2006: A Detailed Analysis

The Vertex VTX23928A-1 top end piston kit is a popular aftermarket option for owners of the KTM 125 EXC motorcycles produced between 2002 and 2006. This piston kit aims to provide enhanced performance and durability. In this analysis, we will discuss the key advantages and potential drawbacks of investing in this product.

Pros:

1. Enhanced Performance: The Vertex piston kit is designed to offer improved power and torque, making the bike more responsive and agile. This can be particularly beneficial for off-road riders who require quick acceleration and reliable power delivery.

2. Durability: The piston kit is made using high-quality materials, ensuring increased durability and longevity. This can save riders from the expense and inconvenience of frequent engine rebuilds.

3. Improved Fuel Efficiency: The new piston design can lead to better combustion efficiency, translating to improved fuel economy and reduced emissions.

4. OEM-quality: The Vertex piston kit is manufactured to meet OEM specifications, ensuring a precise fit and proper function.

5. Technical Support: Vertex offers technical support and troubleshooting assistance, which can help riders resolve any issues they may encounter during the installation or usage of the kit.

Cons:

1. Cost: The Vertex piston kit can be more expensive than OEM alternatives or aftermarket options from lesser-known brands. This might deter some riders who are budget-conscious.

2. Installation Complexity: Installing the piston kit requires specialized tools and knowledge, making it a more involved process than swapping out other parts. Some riders may prefer to have the work done by a professional mechanic to minimize the risk of errors.

3. Potential Engine Noise: Some users have reported an increase in engine noise after installing the Vertex piston kit. This may be due to the improved power output or the design of the piston itself. However, it is essential to note that this is a subjective issue, and not all riders may experience it.

Conclusion:

The Vertex VTX23928A-1 top end piston kit for KTM 125 EXC motorcycles offers several advantages, including enhanced performance, durability, improved fuel efficiency, and OEM-quality manufacturing. However, the kit comes with some drawbacks, such as its cost, installation complexity, and potential increase in engine noise.

Based on the analysis, it can be recommended that riders who prioritize improved performance, durability, and fuel efficiency, along with the peace of mind that comes with OEM-quality components, should consider investing in the Vertex piston kit. However, those who are budget-conscious or prefer a less complex installation process may want to explore other alternatives. Ultimately, the decision depends on the rider's individual preferences and priorities.

Details:

Specifications:: Top End Piston Kit, One part number includes everything for a top end rebuild. New Vertex Top End Piston Kit VTK23928A-1 For KTM 125 EXC 2002 2006 Menu. Total-power-parts retains the right to refuse any request made by you. Unit Type, Part Item Condition New, MPN VTK23928A-1, voltage , Rotation, Amperage, Starter Clock, Teeth, Pulley Class, Regulator, Fan Color, Gear ID, OD, KW, Pinion/Splines Warranty.

This will usually be Total Power Parts or may in some cases a third party. 2-stroke applications include wrist pin bearing. Includes Vertex piston, rings, wrist, pin, cir clips, and top end gasket kit. Exact fit A, B, or C pistons match your cylinder bore perfectly to maximize power and performance.

The cost of foreign products and services may fluctuate.

part #: vtk23928a1 price

  • $212.36

specifications pistondon:

  • for models: 125
  • for makes: Ktm
  • for years: 2002-2006
  • brand: Vertex
  • mpn: Vtk23928a-1
  • part type: Piston
  • country/region of manufacture: Italy
  • california prop 65 warning: California Proposition 65 Warning
  • manufacturer warranty: 1 Year
  • upc: 603765105937

payments pistondon:

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

offer pistondon:

  • quantity: 4
  • started: August 31, 2025
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock

seller pistondon:

  • rating: 98.9%
  • city: Circle Pines, Minnesota
  • # reviews: 143614

shipping pistondon:

  • class: Standard, Expedited, One-day
  • transit: 5-5 Days
  • type: Fixed
  • service: Standard, Expedited, Overnight
  • cost: $0.00

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
for models: 125, for makes: ktm, for years: 2002-2006, part type: piston, country/region of manufacture: 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: 8035059761582751,

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5 offers $212.36–$212.36 USD
  • Offer #1: $212.36 price + $0.00 shipping estimate = $212.36* total. Forged pistons are forged from 2618 aluminum for superior strength and durability. Vertex Top End Piston Kit With Gaskets.FREE SHIPPING
  • Offer #2: $212.36 price + $0.00 shipping estimate = $212.36* total. PISTON TYPECast Replica Top End Kit Cast Replica.FREE SHIPPING
  • Offer #3: $212.36 price + $0.00 shipping estimate = $212.36* total. Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston All pistons are heat treated with a T-5 hardening and tempering cycle All piston skirts are coated with a high-tech molybdenum disulphide coating for faster break-in time and increased piston life All rings are O.E.FREE SHIPPING
  • Offer #4: $212.36 price + $0.00 shipping estimate = $212.36* total. The vendor part number is Up for sale is VERTEX 2002-2006 125 Exc KTM TOP END KIT CAST REPLICA.FREE SHIPPING
  • Offer #5: $143.30 price + $27.94 shipping estimate = $171.24* total. Two-Stroke Piston Kits: Made from gravity-cast aluminium alloy with 18% silicon content, resulting in lightweight yet exceptionally strong pistons. KTM Factory-Approved: Replica KTM 2-stroke pistons are factory-supplied to KTM, ensuring top-tier compatibility.+$27.94 shipping

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