PROX

PROX Standard (41 mm) Piston Kit for Suzuki JR50

High-Quality Piston Kit for Optimal Engine PerformanceThe Pro X Piston Kit is designed to deliver superior performance and durability for your Suzuki JR50/R. Made from a specialized aluminum alloy with a low co-efficient of friction, this piston kit ensures smooth operation and long-lasting relia...

$71.99*
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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

High-Quality Piston Kit for Optimal Engine Performance

The Pro X Piston Kit is designed to deliver superior performance and durability for your Suzuki JR50/R. Made from a specialized aluminum alloy with a low co-efficient of friction, this piston kit ensures smooth operation and long-lasting reliability.

  • Size: Standard (41 mm).
  • Material: High silicon content aluminum alloy.
  • Compatibility: Suzuki JR50/R 1978-2006.
  • Includes: Piston, piston rings, wristpin, and circlips.
  • Coating: Some models include tin-based anti-friction skirt coating.

Key Features

Kit includes piston, piston rings, wristpin, and circlips

Does not include wristpin bearing for 2 strokes

High silicon content aluminum alloy piston

Some models include tin-based anti-friction skirt coating

Specifications

Piston Diameter
41 mm
Material
High silicon content aluminum alloy
Components Included
Piston, piston rings, wristpin, circlips
Wristpin Bearing
Not included (for 2 strokes)
Skirt Coating
Tin-based anti-friction (select models)
Compatibility
Suzuki JR50

Pros & Cons

👍 Pros

  • Includes all essential components for a complete piston overhaul, such as the piston, rings, wristpin, and circlips.
  • Constructed from a high silicon content aluminum alloy, which is known for durability and performance in engine applications.
  • Some specific models may feature a tin-based anti-friction skirt coating, contributing to reduced wear and increased longevity.
  • Designed as a standard 41 mm piston kit, ensuring appropriate sizing for the Suzuki JR50 model.
  • Provides a comprehensive solution for engine maintenance or repair for compatible Suzuki motorcycles.

👎 Cons

  • The kit does not include a wristpin bearing, which is necessary for 2-stroke engines and would need to be acquired separately.
  • Specific models only include the anti-friction skirt coating, meaning not all kits will benefit from this particular feature.
  • The piston dimensions are standard, offering no options for oversized or specialized fitments beyond 41 mm.
  • This kit is exclusively for the Suzuki JR50, limiting its applicability to other motorcycle models.

Frequently Asked Questions

The kit includes the piston, a set of piston rings, a wristpin, and circlips, providing the core components for a piston replacement.
No, the wristpin bearing is not included in this kit, especially for 2-stroke applications, and would need to be purchased separately if required.
The piston is manufactured from a high silicon content aluminum alloy, a material chosen for its specific performance characteristics in engine components.
Some models of this kit include a tin-based anti-friction skirt coating, which is designed to help reduce friction. However, this feature is not universal across all kits.
This PROX standard piston kit is specifically designed for the Suzuki JR50, ensuring proper fit and function for that particular model.