Unique design on cylinder with 50mm bore and 40mm stroke Muffler port. Rear mount of LD100 with front and rear studs 8mm. LD100 motor ONLY(without spark plugs and intake).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.