2012 KYMCO MAXXER 375 4x4 IRS, 2012 KYMCO MAXXER 375 4x4 IRS Whether you're a sport-performance trail rider or a utility rider looking for ground clearance, durability and a comfortable ride, the Maxxer 375 gives you the best of both worlds. Featuring an automatic CVT transmission, low-maintenance shaft-final-drive, shift on a fly 2WD and 4WD and our class leading sport tuned independent rear suspension to smooth out the ride, KYMCO?has blurred the lines between sport and utility ATVs.