1. GENERAL INFORMATION Mongoose/KXR 90/50 SPECIFICATIONS (Mongoose/KXR 90) Name & Model No. LA20AB Air cleaner type & No Sponge Fuel System Motorcycle Name & Type Mongoose/KXR 90 Fuel capacity 5.5 liters Overall length (mm) 1430 Type PB Carburetor Overall width (mm) 905 Main jet No. #100 Overall height (mm) 910 Venturi dia.(mm) 14 Wheel base (mm) 965 Throttle type PISTON Engine type O.H.C. Type CDI Ignition System Electrical Equipment Displacement (cc) 89.9 Ignition timing 28°BTDC/4000rpm Fuel Used 92# nonleaded gasoline Contact breaker Non-contact point type Front wheel 58 Spark plug NGK C7HSA Net weight (kg) Rear wheel 56.5 Total 114.5 Spark plug gap 0.60.7mm Front wheel 61.5 Battery Capacity 12V4AH Gross weight(kg) Rear wheel 58.5 Clutch Type CVT Power Drive System sion Gear Transmis- Total 120 Type Helical gear Tires Front wheel 18*7-8 Automatic centrifugal Operation Rear wheel 18*9-8 Type Ground clearance (mm) 104 Type V-Belt Breaking distance Gear Reduction (m)(ANSI) 20.6 below Primary reduction 0.8~2.5 Starting system Motor & Kick starter Final Type Gasoline, 4-stroke reduction 9.255 Cylinder arrangement Single cylinder FR/RR tire rolling 1436/1436 Moving Device Combustion chamber type Semi-sphere circumference(mm) Valve arrangement O.H.C., chain drive Tire pressure Front 0.25 Bore x stroke (mm) 47X51.8 (kg/cm) Rear 0.25 Compression ratio 10.0:1 Turning Left 35° Compression pressure angle (kg/cm) 16.0 Right 35° Max. output (ps/rpm) 6.3/6500 Brake system Rear Disk brake Engine Max. torque (kg m/rpm) 0.7/5500 type Front Drum brake Intake Open 2° Swing axle Device Damping Front Port (1mm) Close 26° Suspension timing Exhaust Open 44° type Rear Swing arm (1mm) Close -17° Valve clearance Intake 0.1 Frame type Steel tube frame (cold) (mm) Exhaust 0.1 Idle speed (rpm) 1700rpm Lubrication type Forced pressure & System Lubrication Wet sump Oil pump type Inner/outer rotor type Oil filter type Full-flow filtration Oil capacity 0.8 liter Oil exchanging 0.7 liter capacity Cooling Type Air cooling 1-2