JZsports YD100 50mm Gas Motor Kit 79CC/80CC. YD100 50mm assembled Gas Motor Kit 79CC/80CC. Bore and Stroke: 50mm x 40mm. Cylinder head and Cylinder Two in one.
Engine Type: Single cylinder, air-cooled, 2-stroke. Mixing Ratio of Fuel(90#) and Engine Oil: 16: 1 for New sets, 20: 1 after Running 500Km. 8mm front and rear mount studs. Cylinder Head and Cylinder Two In One, better design for cooling, higher power with hill driving easily. YD100-100CC Differences with Standard 80cc engine kits.Cylinder inner diameter 50mm; Piston outside diameter 50mm; 8mm front and rear mount studs; 40mm alum intake stud spacing, NEW Red CDI and 36T Sprocket, but Manual is EXCLUDED. Clear up the cylinder transfer ports before assembling maybe some rough slag inside which maybe break off and cause the jamming of pistons and cylinders. Fully attention on screwing cylinder to the end bottom, DO NOT screw M8 bolts tightly that maybe cause drill through the end bottom so add some gasket or washer on head is better way to prevent it happen; Attention on piston ring if put the piston out of cylinder, the piston rings are weak, better with right way install piston kit to cylinder. This item is in the category "Sporting Goods\Outdoor Sports\Scooters\Gas Scooters". The seller is "jzsports-2019" and is located in this country: US.
This item can be shipped to United States.