How to install a big bore kit on a chinese scooter qmb139 gy6 Kymco Agility taotao rocketa puma

BUY IT NOW: After purchasing your big bore kit for us, use this video to help with the install of your qmb139 90cc big bore kit. This engine rebuild how to video will work on all qmb139 engines. This includes the Kymco agility, all taotao 49cc scooters, rocketa, Puma, Lance, and all other 4 stroke 49cc chinese scoote