HAPPY, 49CC AIR-COOLED SINGLE SENDS SMOOTH, RELIABLE FOUR-STROKE POWER THROUGH A FULLY AUTOMATIC TRANSMISSION-PERFECT FOR RIDERS 6 YEARS AND OLDER WITH ADULT SUPERVISION. EASY, PUSHBUTTON ELECTRIC START COULDN'T BE SIMPLER. SHAFT DRIVE IS VIRTUALLY MAINTENANCE-FREE AND SUPERIOR TO THE CHAIN DRIVES FOUND ON SOME COMPETITIVE MODELS. LOW 24.3-INCH SEAT HEIGHT FOR QUICK, BALANCED STEERING AND RIDER CONFIDENCE.