TaoTao 50cc Moped 100cc Scooter Big Bore Kit upgrade

This is a 100cc Cylinder Body Kit. It Can be Only Use for GY6 4stroke 49cc 50cc Upgrade to 100cc. Easy installation  Best way to get more RPM and speed maximum upgrade kit for GY6 50cc 139qmb engine.   Fit Model: Roketa 49cc 50cc 4 stroke scooter such Bahama,Maui,Sicily,Tank,Baotian 50QT-9 Kymco 50cc 4 stroke like Agility 50,People S50 4T,Suer 8 50 4T, Eton 49cc 50cc 4stroke like Sport 50 Taotao 49cc 50cc 4 stroke scooter such as GT5,Fastwind,AMT50-A1,CY50-A,CY50-B,CY50-T3,Funny50,Roman 50,Retro 50,Speedy50,Venus50. Sunl 49cc 50cc 4stroke scooter VIP future champion 4 stroke Jonway 49cc 50cc 4 stroke scooters like warrior 50 Baja 49cc 50cc 4stroke scooters like motorsports SC-50 sun city,primo,DR50,Dirt Runner 49 SSR Lazer 5 Moped Pagsta mini 49cc Zongshen ZS50QT-4 Biaotian BT49QT-2,BT49QT-7,BT49QT-9,BT50QT-9,BT50QT-11 Fly 49cc 50cc 4stroke scooters Tank 49cc 50cc 4stroke scooters Jinlun 49cc 50cc 4stroke scooters and many other GY6 4stroke 49cc 50cc engine