New For Yamaha Jog Vino 50CC ATV Scooter Big Bore Kit Head Cylinder Piston

Description: Good quality big bore kit. Compact size, easy installation. 70cc 2 stroke big bore kit for scooters. Good replacement for your old or broken one. Easy to install in few minutes without complicated tools. This is a non-OEM product, accessory only. Specification: Material: Metal Color: Black, Gray, Silver Tone Displacement: 70cc Master Cylinder Size: 110x95x80mm / 4.33"x3.74"x3.15"(L*W*H) Cylinder Head Size: 100x90x35mm / 3.94"x3.54"x1.38"(L*W*H) Piston Size: 48x47mm / 1.89"x1.85"(H*D) Wrist Pin Size: 38x10mm / 1.50"x0.39"(H*D) Fitment:for Yamaha JOG / for MinarelliI / for Yamaha Clone Motorsfor Jonway for Jmstar for Roketa for Sunl for YamahaHow to Install?1. Please make sure this surface is clean when start putting a motor together.2. Please put the studs in it, make sure it can hit four holes with compressed air to pull any debris out.3. When you get these studs in, this is the path to put the cylinder slide down.4. When installing the cylinder head gasket, there are pins that will hold the gasket in place to ensure that the gasket is stable during installation.5. Adjust the valve clearance and finish.Note:Please allow 1-3cm errors due to manual measurement.Please check the product model and your motorcycle make, model, year before purchasing.Please follow the maintenance manual and correct installation steps to install the product. The installation manual is not included.Package Included:1 x Master Cylinder1 x Cylinder Head1 x Piston1 x Wrist Pin2 x Piston Ring2 x Clamp Ring2 x Gasket1 x Clamp1 x O-Ring1 x Wrist Pin Bearing