Engine Type Single-Cylinder Cylinders 1 Engine Stroke 4-Stroke Cooling Liquid Valves 2 Valves Per Cylinder 2 Valve Configuration SOHC Compression Ratio 10.6:1 Starter Electric Fuel Requirements Regular Fuel Type Gas TRANSMISSION: Transmission Type Continuously Variable (CVT) WHEELS & TIRES: Front Tire (Full Spec) Michelin® City Grip: 100/80-14 48P Rear Tire (Full Spec) Michelin® City Grip: 120/70-14 61P