Wiseco

Wiseco 05-19 Yamaha YZ125 GP Series 2126CS Piston Kit

$179.99

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Regular price $179.99
Sale price $179.99 Regular price $199.95
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Wiseco's GP Series forged 2-stroke pistons build on the tried-and-true base of the Pro-Lite. Wiseco GP Series 2-stroke pistons incorporate additional performance and durability enhancing features including an Electra-Coated crown, ring groove(s), and pin bores plus ArmorGlide skirt coating, making them perfect for endurance and sustained-RPM 2-stroke applications. From play riders putting in hard hours to consistent competition, GP Series 2-stroke pistons are up to the challenge.


  • Electra-Coated crown, ring groove and pin bore resists potential wear, combustion heat damages, and ring micro-welding

  • ArmorGlife skirt coating reduces friction to optimize performance potential

  • Designed with optimized features for long service life and top-end power

  • Extra lightening operations for enhanced throttle response

  • Engineered, forged, and machined in the USA in Mentor, OH

  • High-quality ring(s), wrist pin(s), and circlips included

  • Designed for endurance and sustained-RPM 2-stroke riding

  • 54.00 mm Bore



Wiseco 05-19 Yamaha YZ125 GP Series 2126CS Piston Kit


Wiseco's GP Series forged 2-stroke pistons build on the tried-and-true base of the Pro-Lite. Wiseco GP Series 2-stroke pistons incorporate additional performance and durability enhancing features including an Electra-Coated crown, ring groove(s), and pin bores plus ArmorGlide skirt coating, making them perfect for endurance and sustained-RPM 2-stroke applications. From play riders putting in hard hours to consistent competition, GP Series 2-stroke pistons are up to the challenge.



  • Electra-Coated crown, ring groove and pin bore resists potential wear, combustion heat damages, and ring micro-welding

  • ArmorGlife skirt coating reduces friction to optimize performance potential

  • Designed with optimized features for long service life and top-end power

  • Extra lightening operations for enhanced throttle response

  • Engineered, forged, and machined in the USA in Mentor, OH

  • High-quality ring(s), wrist pin(s), and circlips included

  • Designed for endurance and sustained-RPM 2-stroke riding

  • 54.00 mm Bore


ATTRIBUTES: false, true, true, false, Y, powersports, N/A, false, 1


BRAND: Wiseco


MPN: 846M05400


SKU: 589603


Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: powersports
Epa: N/A
Regular Stock: false
Units Per Sku: 1

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Cuts Through the Worst Mud, Fast

Mud Melter's formula breaks down caked-on dirt, clay, and trail grime without scrubbing. Spray it on, let it work, rinse it off — your bike is clean before the next moto.

  • Bikes

    500+

    cleaned

  • Race seasons

    10+

    tested

  • Satisfaction

    100%

Safe on Every Surface

Formulated to be tough on mud but gentle on plastics, rubber, bearings, and graphics. No harsh solvents, no damage — just a clean bike ready for the next ride.

Made in a Real Race Shop

We didn't hire a marketing team to invent a product. We built Mud Melter because nothing else worked well enough on the bikes we were actually racing and rebuilding.

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