60CC Big Bore Cylinder Kits Piston Set for Yamaha 50 PW50 QT50 Y-Zinger Cylinder Description: High Performance Displacement60cc Bore: 44mm Outside width: 51mm Total height 87.5mm Section length 64mm Fits for Yamaha PW50 Y-Zinger (1981 - 2009) Fits for Yamaha QT50 Yamahopper (1979 - 1987) Including all kits in the photos. Multiple high-efficiency Carriers optional DHL Express (1 - 2 days) Fedex (1 - 3 days) UPS,TNT,EMS available too Please provide an accurate shipping address We will provide valid tracking numbers Please notice your delivery reminder and make sure the postman can deliver the item to you successfully,If not,please kindly check the item in your mailbox or contact to your local post office with the tracking number Shipping time depends on your location Full Warranty We are a professional Chinese ATV Parts retailer and r since 2002 All the spare parts we selling are in high quality and best condition."Being Responsible for the Customers"is our principle Due to different batches or the factory improves the design of products,some parts you receive maybe have a little different from the photos,but the efficiency is same We will take full responsibility of our product Please feel free to contact us,It is always our pleasure to help you We had been selling parts since 2002 We provide parts for ATV,Scooter,Dirt bike,Go kart,UTV and Motorcycle Maily supply ATV/UTVparts for: Hisun, Kazuma, CFmoto, Jianshe, Buyang, Bashan, Dinli, Shineray, Kandi, Massimo, Sunl and so on..... Why do you want to choose us? 1. Reasonable Price 2. Best Quality and full warranty 3. Your " One-Stop " Parts Choice 4. "OG" in Parts Business 5. Experienced Export Solution 6. 7x24 Online Customer Service _x000D_