Type - 4 Stroke Single Cylinder Compression Ratio - 10:1 Bore & Stroke - 55mm x 59mm Cooling - Billet Oil Cooler with braided lines. Transmission - Manual 4 Speed w/ Clutch, N1234 Gear Pattern, Starts in Any Gear Drive Train - Chain #428 Ignition - Kick Start/CDI Spark Plug - NGK Kick Start Lever, Gear Shifter, Manifold