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120CC 52mm MONSTER BIG BORE CYLINDER KIT

  • Sale
  • $275.00


Here it is, The fire breathing monster big bore 120cc (52mm) kit! This kit will convert your chinese scooter, Kymco Agility, or anything with the qmb139 engine in it to 120cc's. The 120cc is as large as you can go. This kit is great quality, you wont find a nicer big bore kit.The stock cylinder head with not fit. The cylinder head supplied in this kit is complete with larger valves and bigger ports making it a performance head. The ports are as large as a 150cc scooter as well. 

This kit includes:

piston

piston rings

Cylinder

Performance cylinder head complete with big valves

gaskets

 

We recommend upgrading to a performance cam shaft 

 

This 120cc big bore kit will fit the models below

- Any machine with a QMB139 / 139QMB / GY6 50 (4-stoke) engines.

- All Taotao 49cc/50cc scooters.

- All Roketa 49cc/50cc scooters.

- All Puma 49cc/50cc scooters.

- All SunL 49cc/50cc scooters.

- All wolf / Gorilla 49cc/50cc scooters.

- All Znen 49cc/50cc scooters.

- All Tank 49cc/50cc scooters.

- All Peace 49cc/50cc scooters.

- All Bali 49cc/50cc scooters.

- All Linhai 49cc/50cc scooters.

- All CF Motos 49cc/50cc scooters.

- All Xingue 49cc/50cc scooters.

- All Zongshen 49cc/50cc scooters.

- All Bintelli 49cc/50cc scooters.

- All X-Treme 49cc/50cc scooters.

- All Shwinn 49cc/50cc scooters.

- All Lance 49cc/50cc scooters.

- All Jonway 49cc/50cc scooters.

- All Baccio 49cc/50cc scooters.

- All Panterra 49cc/50cc scooters.

To purchase the 45 min. install video click here

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