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PROX

PROX KTM 300 XC-W Piston Kit Standard 71.95mm

Optimize Engine Performance with Pro X Piston Kit The Pro X Piston Kit is engineered to provide top-tier performance and reliability for your bike, UTV, or ATV engine. Constructed from a specialized aluminum alloy, this kit ensures durability and smooth operation. Material: High silicon co...

$199.99*
✓ In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 13, 2026.Price and availability are subject to change.

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Overview

Optimize Engine Performance with Pro X Piston Kit

The Pro X Piston Kit is engineered to provide top-tier performance and reliability for your bike, UTV, or ATV engine. Constructed from a specialized aluminum alloy, this kit ensures durability and smooth operation.

  • Material: High silicon content aluminum alloy
  • Coating: Some models include tin-based anti-friction skirt coating
  • Kit Includes: Piston, piston rings, wristpin, and circlips
  • Note: Wristpin bearing not included for 2-stroke engines

Specifications

Component Type
Piston Kit
Model Compatibility
KTM 300 XC-W
Piston Size
Standard 71.95mm

Pros & Cons

👍 Pros

  • Designed specifically for the KTM 300 XC-W, ensuring precise fit and performance for that model.
  • The standard 71.95mm size indicates it's a direct replacement part, simplifying the selection process.
  • Produced by PROX, a brand known for manufacturing powersports components.
  • A piston kit includes necessary components for a full piston replacement or engine refresh.
  • Restores engine compression and power to factory specifications when installed correctly.

👎 Cons

  • Only fits the KTM 300 XC-W model, limiting its application to a very specific motorcycle.
  • Requires advanced mechanical skills for installation, as it involves engine disassembly.
  • The standard size may not be suitable for cylinders that have been bored out or require an oversized piston.
  • No specific details on material composition or performance enhancements are provided.
  • The kit likely does not include other necessary engine components like gaskets or bearings, which may be needed.

Frequently Asked Questions

The PROX KTM 300 XC-W Piston Kit is specifically designed for the KTM 300 XC-W motorcycle model.
This piston kit includes a standard 71.95mm piston, suitable for direct replacement in compatible cylinders.
No, this PROX Piston Kit is listed as "Standard 71.95mm," indicating it is intended for standard bore cylinders, not oversized ones.
The product description states it is a "Piston Kit," which typically means it includes the piston and associated rings/clips, but not other engine components like gaskets or bearings.

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