44mm Bore GY6 Cylinder Piston Kit Compatible With 139QMB ATV Go Kart 4T 60cc Engine 13mm Pin

★★★★★ 4.2 17 reviews

$92.08
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$92.08
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Free shipping Free 30-day returns

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Management number 215436641 Release Date 2026/04/12 List Price $36.83 Model Number 215436641
Category

This 44mm bore GY6 cylinder piston kit is compatible with 139QMB engines and fits ATV and go kart applications.It is designed for 4-stroke 60cc engines with a 13mm wrist pin diameter.The kit includes a cylinder and piston assembly sized to the 44mm bore specification.It is intended as a direct replacement part for GY6-based 139QMB engine models used in ATVs and go karts.Installation by a qualified mechanic is recommended. Compatibility Disclaimer: This is not an OEM item.Mentioned brands/models are used strictly for fitment illustration.

  • Bore Diameter: This cylinder piston kit features a 44mm bore diameter to match the specification for compatible engines.
  • Engine Compatibility: Designed as a replacement part for 139QMB engine models used in ATV, go kart, and motorcycle applications.
  • Stroke Configuration: Intended for use with four-stroke (4T) engine configurations only, as specified in the title.
  • Displacement Rating: Matches the 60cc displacement requirement of the cylinder assembly for functional equivalence.
  • Wrist Pin Size: Includes a 13mm wrist pin dimension to maintain mechanical compatibility with the 139QMB engine’s connecting rod design.
Brand CazQubZpr
Model CazQubZpr926
Exterior Aluminum
Item Weight 3.88 ounces
Manufacturer CazQubZpr
Item model number CazQubZpr123
Product Dimensions 1.97 x 1.18 x 0.79 inches
Manufacturer Part Number CazQubZpr123

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