.Two stroke. Awesome first bike, ot an automatic. 3 speed with clutch and it starts right up! Make your son ordaughter very happy Christmas morning when he or she finds this cool motorcycle under the tree! Our sonlearned on this bike, e wanted him to learn how to shift right off and he did. The newer small bikes areautomatic. This is a collectors bike too, ou won't find many of these and ones that run like this one does. Pleasenote, ileage is unknown as it does not have an odometer. I had to put a number in to list it. Questions - five - seven - zero -2923303.