2 Stroke 80cc Engine Kit Gasoline motor: silver 80cc, Engine Type: Single cylinder, air-cooled,2-stroke. Power(kw/rpm): 80cc: 2.2/6000. Bore x Stroke: 80cc:47mm x 40mm. During runin period, it is prohibited to accelerate throttle handle too fast, you can grip the handle slowly (step by step), or the motor will be locked up.