1. GENERAL INFORMATION Downtown 300i ABS SPECIFICATIONS Name Downtown 300i Oil filter type Full-flow filtration Model No. SK60AB Oil capacity 1.5 liter Overall length 2200 mm Exchanging capacity 1.3 liter Overall width 800 mm Fi injection system Overall height 1410 mm Air cleaner type & No Paper element, wet Fuel capacity 12.5 liters Wheel base 1545 mm Engine type 4 stroke O.H.C. Brand Keihin Throttle Body Butterfly type Displacement 298.9 cc Fuel Used 92# nonleaded Venturi diameter (mm) 34 gasoline Fuel pump pressure 2.5 bar Front wheel 79 Electrical system Rear wheel 110 ECU Total 189 Ignition type Front wheel Ignition timing 10°BTDC / idle 149 Rear wheel 33° / 6500min 205 Spark plug CR7E (NGK) Total 354 Spark plug gap 0.60.7mm Ground clearance (mm) 140 Battery Capacity 12V10AH Braking distance (m) Transmission system 7.9m / 40 km/hr Clutch type Dry multi-disc Min. turning radius (m) 2.6 Transmission type CVT Engine part Operation type Auto centrifugal Starting motor Starting system Reduction gear type Two-stage reduction Type Gasoline 4-cycle 1st 0.72 ~ 2.24 Cylinder arrangement Single cylinder 2nd 7.222 Combustion chamber type Semi-sphere Moving device Valve arrangement O.H.C.-4V Tire type Tubeless Bore x stroke (mm) 72.7 * 72 Front wheel 120/80-14 58S Compression ratio 10.8:1 Rear wheel 150/70-13 64S Compression pressure Front wheel 2.0 (kg/cm-rpm) 16-570 rpm Max. output (ps/rpm) 29 / 7750 Rear wheel 2.25 Max. torque (kg-m/rpm) 2.7 / 6500 Wheel material Aluminium Open -9.5° BTDC Left 40° Close 37.5° BTDC Right 40° Open 40° BTDC Front ABS Close 10° BTDC Rear ABS Intake 0.10 Damping Device Exhaust 0.10 Telescope Front Idle speed (rpm) 1600100 rpm Rear Swing arm Cooling Type Liquid cooling Forced pressure & Shock absorber Front 110 mm Lubrication type wet sump stroke Rear 100 mm Oil pump type Inner/outer rotor 1-2