Monster Scooter Parts | SKU:
K72-7916-X01
72cc High Performance Cylinder Kit for 50cc GY6 QMB139 Scooter Engines (Blemished)
$13.95
Unit price
/
Unavailable
72cc High Performance Cylinder Kit for 50cc GY6 QMB139 Scooter Engines (Blemished) is backordered and will ship as soon as it is back in stock.

Free Shipping
Free Shipping
- US domestic ship to addresses only.
- Does not include expedited shipping services.
Key Features
- Save money on repairs
Description
Description
Save money with our Scratch & Dent Sale!
Our Scratch & Dent 72cc High Performance Cylinder Kit for 50cc GY6 QMB139 Scooter Engines is great for increasing overall performance on small underpowered 50cc GY6 QMB139 scooter engines.
performance-scooter-engine-kit.html">72cc High Performance Cylinder Kit for 50cc GY6 QMB139, but not enough to make up an entire kit. So you can save $40 with this "3/4" kit. It includes everything shown in the image; cylinder, rings, roller weights, and more.
This 72cc scooter engine kit increases low end acceleration as well as top speed. This high performance scooter engine kit is easy to install. Combine with a high performance carburetor and high performance exhaust and get peak performance from your 50cc gas scooter.
A ring compressor may be necessary in order to install the piston in the cylinder included in this kit.
Note: This high performance cylinder kit is only compatible with 4-stroke 50cc GY6 engines
⚠ WARNING California Residents: Proposition 65 Warning
Our Scratch & Dent 72cc High Performance Cylinder Kit for 50cc GY6 QMB139 Scooter Engines is great for increasing overall performance on small underpowered 50cc GY6 QMB139 scooter engines.
performance-scooter-engine-kit.html">72cc High Performance Cylinder Kit for 50cc GY6 QMB139, but not enough to make up an entire kit. So you can save $40 with this "3/4" kit. It includes everything shown in the image; cylinder, rings, roller weights, and more.
This 72cc scooter engine kit increases low end acceleration as well as top speed. This high performance scooter engine kit is easy to install. Combine with a high performance carburetor and high performance exhaust and get peak performance from your 50cc gas scooter.
A ring compressor may be necessary in order to install the piston in the cylinder included in this kit.
Note: This high performance cylinder kit is only compatible with 4-stroke 50cc GY6 engines
⚠ WARNING California Residents: Proposition 65 Warning