Some of us aren’t ready to grow up. We still just want to continue on having fun with this Lean Mean Green Machine. Cruise your neighborhood on this adult size Lean Mean Green Machine. The heart of this Lean Mean Green Machine is a rumbling air-cooled, 80″ cu. Harley-Davidson v-twin Evo–hailed by some as the engine that saved the iconic company–providing 60 horsepower for speeds up to 50 mph. The front wheel is driven by a chain housed in a protective cowling that replicates the toy’s frame and, like its predecessor, the cycle is steered by two handheld push/pull levers that control the two rear wheels via a directional linkage.