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63mm 200cc Big Bore Cylinder Kit for BT125T GY6 125cc 150cc 152QMI 157QMJ 4 Stroke Scooter ATV Engine Parts

4.6 (1) Write Review
Free shipping on orders over $29.99

$110.49

$ 46 .99 $46.99

In Stock
  • High quality, corrosion resistant and rust proof.
  • Good heat dissipation structure design, reliable performance and long service life.
  • Good thermal conductivity to avoid overheating and maintain normal engine working temperature.
  • Can optimize the combustion chamber structure, improve the combustion process, improve fuel economy.
  • Lightweight materials, reduce the overall weight of the engine, improve vehicle handling.


This product is suitable for GY6 125cc 150cc upgrade version, you need to dig a large box to install during installation.
The product size video is described.


Scott latsch
Reviewed in the United States on April 12, 2025
It was damaged as soon as I got it was already cracked the bottom side of the ceiling it was cracked so as soon as I put the Piston with the rings in itblew apart
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