... front wheel axle 13.chrome ail filter(125cc) 14.mikuni carburetor(125cc) Engine Engine Type: Air-Cooled, 4 ... 41.4mm (49CC), 52.4 x 57mm (125CC) Compression Ratio: 8.8:1 (49CC), 9.0 ... on COC: 40km/h (50CC), 89km/h (125CC) Lubrication System: Pressure and splash lubrication Carburetor/Fuel ... Supply: DENI PZ17 (50CC), MIKUNI 22 83419 (125CC) Clutch Type: Wet, multiple Ignition System: CDI Starting ...